All Online Tools
638+ free tools across 10 categories. No registration required.
Merge PDF
Combine multiple PDF files into one document online for free.
Split PDF
Split a PDF into multiple separate pages or sections online.
Compress PDF
Reduce PDF file size online without losing quality.
PDF to Word
Convert PDF files to editable Word documents online.
Word to PDF
Convert Word documents to PDF format online instantly.
PDF to JPG
Convert PDF pages to JPG images online for free.
JPG to PDF
Convert JPG and PNG images to PDF online for free.
Rotate PDF
Rotate PDF pages 90, 180 or 270 degrees online.
Unlock PDF
Remove password protection from PDF files online.
Protect PDF
Add password protection to your PDF files online.
PDF to PowerPoint
Convert PDF files to PowerPoint presentations online free.
PowerPoint to PDF
Convert PowerPoint presentations to PDF online for free.
PDF to HTML
Convert PDF documents to HTML web pages online free.
HTML to PDF
Convert HTML web pages and code to PDF online for free.
PDF to TXT
Extract text content from PDF files online for free.
TXT to PDF
Convert plain text files to PDF documents online free.
OCR PDF
Extract text from scanned PDFs and images using OCR online.
Scan to PDF
Create PDF from scanned images or camera photos online.
PDF Metadata Editor
View and edit PDF metadata — title, author, keywords online.
Remove PDF Metadata
Strip all metadata from PDF files to protect privacy online.
Redact PDF
Permanently hide and redact sensitive content in PDFs online.
Compare PDF
Compare two PDF documents and highlight differences online.
Encrypt PDF
Encrypt PDF with 256-bit AES password protection online.
Decrypt PDF
Remove encryption and password from PDF files online.
Add Page Numbers to PDF
Add page numbers to PDF files online — customize position and style.
Add Watermark to PDF
Add text or image watermark to PDF pages online for free.
Reorder PDF Pages
Rearrange and reorder PDF pages in any order online free.
Delete PDF Pages
Remove specific pages from PDF documents online for free.
Extract PDF Pages
Extract specific pages from a PDF to a new file online.
Duplicate PDF Pages
Duplicate specific pages within a PDF document online.
Edit PDF
Edit PDF text, add content and make changes online free.
Add Text to PDF
Add custom text to any PDF page online for free.
Add Image to PDF
Insert images into PDF pages online for free.
Annotate PDF
Add comments, notes, and annotations to PDF online free.
Highlight PDF
Highlight text in PDF documents online for free.
Draw on PDF
Draw freehand on PDF pages online with a pen tool.
Add Digital Signature to PDF
Add digital signature to PDF documents online for free.
Remove Signature from PDF
Remove digital signatures and sign fields from PDF online.
PDF to PNG
Convert PDF pages to high-quality PNG images online free.
PDF to Excel
Convert PDF tables and data to Excel spreadsheets online.
Excel to PDF
Convert Excel spreadsheets to PDF format online free.
PDF Viewer Online
View and read PDF files online in your browser for free.
PDF Page Counter
Count the number of pages in any PDF file instantly online.
PDF Thumbnail Generator
Generate thumbnail preview images from PDF pages online.
PDF Bookmark Editor
Add, edit, and manage bookmarks in PDF documents online.
Extreme PDF Compressor
Maximum PDF compression — reduce file size by up to 90% online.
PDF Size Reducer
Reduce PDF file size to fit email limits and upload restrictions.
Optimize PDF for Web
Optimize PDF files for fast web browser display online.
Repair PDF
Fix and repair corrupted or damaged PDF files online free.
Flatten PDF
Flatten PDF form fields and annotations into static content.
Convert PDF to Grayscale
Convert color PDF to black and white grayscale online free.
PDF Form Filler
Fill out PDF forms online without Adobe Reader for free.
PDF to EPUB
Convert PDF documents to EPUB ebook format online free.
Image Compressor
Compress images online without losing quality.
Image Resizer
Resize images to any dimension online for free.
Image Converter
Convert images between JPG, PNG, WebP, GIF and more.
Image Cropper
Crop images online to any size or aspect ratio.
Image to PDF
Convert images to PDF documents online.
Bulk Image Compressor
Compress multiple images at once — free bulk image optimization online.
Lossless Image Compressor
Compress images without any quality loss — lossless image optimization free.
Image Quality Reducer
Reduce image quality and file size for faster web loading.
Web Image Optimizer
Optimize images for web — reduce size, improve Core Web Vitals.
Bulk Image Resizer
Resize multiple images to the same dimensions in one click.
Resize by Percentage
Resize images by percentage — scale up or down proportionally.
Resize for Instagram
Resize images to perfect Instagram dimensions — square, portrait, landscape.
Resize for Facebook
Resize images to perfect Facebook post, cover, and profile dimensions.
Resize for WhatsApp
Resize images for WhatsApp — profile picture, status, and chat.
Aspect Ratio Cropper
Crop images to any aspect ratio — 16:9, 4:3, 1:1, and more.
JPG to PNG
Convert JPG images to PNG format online — free and instant.
PNG to JPG
Convert PNG to JPG online — reduce file size free.
WebP to JPG
Convert WebP images to JPG format online — free and fast.
JPG to WebP
Convert JPG to WebP online — smaller files for faster websites.
HEIC to JPG
Convert HEIC photos to JPG online — iPhone photo converter free.
SVG to PNG
Convert SVG to PNG online — render vector graphics to raster image.
GIF to PNG
Convert GIF to PNG online — extract first frame as static image.
BMP to JPG
Convert BMP to JPG online — reduce huge bitmap files instantly.
Add Text to Image
Add text to images online — free text overlay tool.
Add Watermark to Image
Add watermark to images online — protect your photos free.
Blur Image
Blur images online — background blur, privacy blur, and artistic blur.
Sharpen Image
Sharpen blurry images online — enhance image clarity free.
Adjust Brightness & Contrast
Adjust image brightness and contrast online — fix dark and dull photos.
Rotate & Flip Image
Rotate and flip images online — correct orientation instantly.
Image Metadata Viewer
View image metadata and EXIF data online — camera info, GPS, and more.
Remove EXIF Data
Remove EXIF data from images — strip metadata and GPS location.
Image Color Picker
Pick colors from any image — get HEX, RGB, and HSL values.
Get Image Palette
Extract color palette from any image — get dominant colors instantly.
Image Size Checker
Check image dimensions and file size online — free image info tool.
Image Format Detector
Detect true image format by file signature — not just by extension.
Meme Generator
Create memes online for free — add text to any image.
YouTube Thumbnail Generator
Create YouTube thumbnails online — free thumbnail maker.
Profile Picture Maker
Create perfect profile pictures online — circle crop and optimize.
Gradient Image Generator
Generate gradient images and backgrounds online — free CSS gradient tool.
Image Enhancer
Enhance image quality with filters — auto-enhance, vibrance, and more.
Image Editor
Basic image editor online — crop, rotate, flip, adjust, and filter.
Word Counter
Count words, characters, sentences and paragraphs in your text.
Case Converter
Convert text to uppercase, lowercase, title case and more.
Remove Duplicate Lines
Remove duplicate lines from text instantly online.
Character Counter
Count characters, letters, digits, spaces and special characters instantly.
Sentence Counter
Count sentences, questions, exclamations and declarations in your text.
Paragraph Counter
Count paragraphs and analyze paragraph statistics in your text.
Reading Time Calculator
Calculate reading and speaking time for any text at custom WPM speeds.
Text Length Checker
Check text length against character limits for Twitter, SMS, meta tags and more.
Remove Extra Spaces
Remove multiple consecutive spaces from text and normalize spacing instantly.
Remove Line Breaks
Remove all line breaks from text and join lines into a single block.
Add Line Breaks
Add line breaks to text at a specified column width automatically.
Capitalize Sentences
Auto-capitalize the first letter of every sentence in your text.
Clean Text Tool
Clean and sanitize text by removing HTML, extra spaces, emoji, and special characters.
Uppercase Converter
Convert text to UPPERCASE instantly online.
Lowercase Converter
Convert text to lowercase instantly online.
Title Case Converter
Convert text to proper Title Case following capitalization rules.
Sentence Case Converter
Convert text to proper sentence case with automatic capitalization.
Alternating Case Converter
Convert text to aLtErNaTiNg CaSe for a mocking/spongebob effect.
Remove Duplicate Words
Remove all repeated words from text, keeping only first occurrences.
Remove Empty Lines
Remove blank and empty lines from text to produce clean output.
Trim Text
Trim leading and trailing whitespace from text or each individual line.
Normalize Spaces
Normalize all types of whitespace including tabs, non-breaking spaces, and multiple spaces.
HTML Encode / Decode
Encode special characters to HTML entities or decode HTML entities to text.
Word Frequency Counter
Count how many times each word appears in your text with a visual frequency chart.
Text Analyzer
Comprehensive text analysis with word count, readability, and structure statistics.
Stop Words Remover
Remove common stop words from text to extract meaningful keywords.
Random Text Generator
Generate random placeholder text with custom word counts.
Random Name Generator
Generate random realistic English first and last name combinations.
Random String Generator
Generate random strings with custom length, character sets and count.
Text to Slug
Convert any text to a clean URL slug for SEO-friendly links.
Slug to Text
Convert URL slugs back to readable, properly capitalized text.
Text to Binary Converter
Convert text to binary code and binary back to text online.
Text to ASCII Code Converter
Convert text to ASCII codes and ASCII codes back to text.
Text Compare (Diff Checker)
Compare two texts and highlight differences with a visual diff view.
Find and Replace Tool
Find and replace text with support for regular expressions.
Sort Lines (A-Z / Z-A)
Sort lines of text alphabetically, by length, or randomly (shuffle).
Reverse Text
Reverse characters, words, or lines of text instantly.
Reverse Words
Reverse the order of words on each line of your text.
Repeat Text
Repeat any text a specified number of times with a custom separator.
Count Lines
Count total lines, non-empty lines, and empty lines in your text.
Extract Emails
Extract all email addresses from any text or document instantly.
Extract URLs
Extract all URLs and web links from any text content.
Number Extractor
Extract all numbers from text and calculate sum, average, min, and max.
Text Truncator
Truncate text to a specific character or word limit with a custom suffix.
Wrap Text in HTML Tag
Wrap each line or entire text in an HTML tag of your choice.
Text to Morse Code
Convert text to Morse code and Morse code back to text online.
ROT13 Encoder / Decoder
Encode and decode text using the ROT13 substitution cipher.
Palindrome Checker
Check if a word, phrase, or sentence is a palindrome.
Text to Hashtags
Generate relevant hashtags from any text for social media posts.
ROT47 Encoder / Decoder
Encode and decode text using the ROT47 cipher for all printable ASCII characters.
Zero-Width Character Remover
Detect and remove invisible zero-width and hidden characters from text.
Text Shuffler
Randomly shuffle words, lines, or characters in your text.
Number to Words Converter
Convert any number to its written word form in English.
JSON Formatter
Format, validate and beautify JSON data online.
Base64 Encoder/Decoder
Encode and decode Base64 strings online instantly.
JSON Validator
Validate JSON data and get precise error messages instantly.
JSON Minify
Compress JSON by removing whitespace and formatting.
JSON Compare
Compare two JSON objects and highlight differences.
JSON to XML
Convert JSON data to XML format online.
XML to JSON
Convert XML data to JSON format online.
JSON to CSV
Convert a JSON array to a CSV spreadsheet.
CSV to JSON
Convert CSV data to a JSON array.
Base32 Encoder / Decoder
Encode and decode Base32 strings online.
Unicode Encoder / Decoder
Encode text to Unicode escape sequences and decode them back.
SHA-1 Generator
Generate SHA-1 hash from any text instantly.
SHA-512 Generator
Generate SHA-512 hash from any text instantly.
HMAC Generator
Generate HMAC signatures using SHA-1, SHA-256, or SHA-512.
Password Hash Generator
Hash passwords with optional salt using SHA-256, SHA-512, or SHA-1.
Timestamp Converter
Convert Unix timestamps to human-readable dates and vice versa.
Unix Time Converter
Convert Unix timestamps to dates and get all related time formats.
Timezone Converter
Convert date and time between any timezones worldwide.
HTML Beautifier
Format and indent HTML code for better readability.
Remove Comments Tool
Strip comments from HTML, CSS, and JavaScript code.
Escape / Unescape Text
Escape and unescape JSON, HTML, URL, and Regex strings.
HEX ↔ RGB Converter
Convert between HEX, RGB, and HSL color formats.
ASCII Converter
Convert text to ASCII codes and ASCII codes back to text.
Code Formatter
Format and beautify JSON, HTML, and CSS code.
API Response Formatter
Format and analyze raw API JSON responses.
User Agent Parser
Parse and analyze User-Agent strings.
Curl to Fetch Converter
Convert curl commands to JavaScript fetch() API calls.
JWT Generator
Generate signed JWT tokens with custom payload.
Regex Tester
Test and debug regular expressions with live match highlighting.
Text Diff Checker
Compare two texts and highlight line-by-line differences.
HTML Viewer
Live HTML preview with side-by-side code and rendered output.
HTML Editor
Edit full HTML documents with a live preview.
JSON Viewer
Interactive tree view for exploring JSON data.
Markdown Viewer
Preview Markdown with live rendered output.
Markdown to HTML
Convert Markdown text to HTML code.
API Key Generator
Generate secure API keys in HEX, Base64URL, and alphanumeric formats.
Whois Lookup
Look up domain DNS registration info online.
SSL Checker
Check if a domain has valid DNS resolution (SSL indicator).
HTTP Headers Checker
Inspect HTTP response headers of any URL.
Port Checker
Check if a network port is open on a host.
Find & Replace Tool
Find and replace text with regex support.
Number Base Converter
Convert numbers between binary, octal, decimal, and hex.
Color Code Converter
Convert any CSS color (hex, rgb, hsl, name) to all formats.
Color Palette Generator
Generate shades, tints, and harmonious color palettes.
Cron Expression Parser
Parse and explain cron expressions in human-readable language.
URL Parser
Parse and decompose any URL into its components.
IP Geolocation
Look up geolocation, organization, and timezone for any IP.
String Case Converter
Convert strings to camelCase, PascalCase, snake_case, kebab-case, and more.
JSON Schema Validator
Validate JSON data against a JSON Schema definition.
UUID Generator
Generate multiple UUIDs (v4 and v1) at once.
Byte Counter
Count characters, bytes, words, and lines in text.
Lorem Ipsum Generator
Generate Lorem Ipsum placeholder text in paragraphs, sentences, or words.
Password Generator
Generate 5 secure passwords at once with custom rules.
Hash Identifier
Identify the type of a hash string by its pattern.
SQL Formatter
Format and beautify SQL queries.
YAML to JSON
Convert YAML configuration to JSON format.
JSON to YAML
Convert JSON data to YAML format.
Password Generator
Generate strong, secure passwords online instantly.
UUID Generator
Generate random UUID v4 identifiers online for free.
Fake Address Generator
Generate realistic fake addresses, names and contact details.
Random Number Generator
Generate random numbers within any range online.
QR Code Generator
Generate QR codes for URLs, text, and more online.
Lorem Ipsum Generator
Generate Lorem Ipsum placeholder text for your designs.
URL Encoder/Decoder
Encode and decode URLs and query strings online.
HTML Minifier
Minify HTML code to reduce file size online.
CSS Minifier
Minify CSS stylesheets to reduce file size online.
JS Minifier
Minify JavaScript code to reduce file size online.
JSON to CSV Converter
Convert JSON data to CSV format online instantly.
CSV to JSON Converter
Convert CSV files to JSON format online for free.
Unit Converter
Convert between different units of measurement online.
Time Zone Converter
Convert time between different time zones worldwide.
Color Converter
Convert colors between HEX, RGB, HSL and other formats.
QR Code Scanner
Scan and decode QR codes from images online.
Color Picker
Pick colors and get HEX, RGB and HSL values instantly.
Advanced Password Generator
Generate ultra-secure passwords with full customization: length, characters, symbols, and ambiguity options.
Secure Passphrase Generator
Generate memorable passphrases using random words — easy to remember, hard to crack.
License Key Generator
Generate software license keys in customizable formats like XXXXX-XXXXX-XXXXX-XXXXX.
Fake Name Generator
Generate realistic random names for testing, design mockups, and placeholder data.
Fake Email Generator
Generate fake email addresses for testing forms, mockups, and development.
Fake Phone Number Generator
Generate fake phone numbers in various formats for testing and mockups.
Fake Company Generator
Generate realistic fake company names with industries for testing and mockups.
Advanced Lorem Ipsum Generator
Generate customizable placeholder text: words, sentences, or paragraphs with classic Lorem Ipsum.
Paragraph Generator
Generate topic-specific placeholder paragraphs for content and design work.
Sentence Generator
Generate random grammatically correct sentences for writing exercises and placeholder content.
Story Generator
Generate short story premises and plot outlines for creative writing and storytelling.
Blog Title Generator
Generate compelling, SEO-friendly blog titles for any keyword or topic.
Caption Generator
Generate catchy captions for social media posts, photos, and content.
Instagram Bio Generator
Generate creative Instagram bios that attract followers and express your personality.
TikTok Caption Generator
Generate engaging TikTok captions with trending hashtags to boost your reach.
Tweet Generator
Generate engaging tweets and Twitter/X posts to grow your social media presence.
Random Word Generator
Generate random words for word games, brainstorming, creative writing, and more.
Random Letter Generator
Generate random letters for Scrabble, word games, education, and creative projects.
Random Color Generator
Generate random colors with HEX and RGB values for design inspiration and projects.
Random Emoji Generator
Generate random emojis for fun, captions, social media posts, and creative content.
Gradient Generator
Create beautiful CSS gradients with live preview and copy-ready CSS code.
CSS Shadow Generator
Generate custom CSS box shadows with live preview and instant CSS output.
CSS Button Generator
Design custom CSS buttons with live preview and exportable CSS code.
CSS Animation Generator
Generate CSS keyframe animations with live preview and copy-ready code.
HTML Template Generator
Generate ready-to-use HTML templates for web pages, landing pages, and forms.
CSS Snippet Generator
Generate useful CSS code snippets for resets, flexbox, grid, responsive layouts, and typography.
JSON Data Generator
Generate realistic JSON data with custom fields for API testing and development.
SQL Query Generator
Generate SQL queries (SELECT, INSERT, UPDATE, DELETE, CREATE TABLE) from simple inputs.
Regex Pattern Generator
Get ready-to-use regex patterns for email, URL, phone, IPv4, date, and more.
Barcode Generator
Generate visual barcodes from numeric codes for products, inventory, and labels.
Advanced QR Code Generator
Generate QR codes for URLs, text, WiFi credentials, email, phone numbers, and SMS.
Random Date Generator
Generate random dates within a specified range in multiple formats.
Timestamp Generator
Generate current timestamps in all formats: Unix seconds, milliseconds, ISO 8601, UTC, and more.
Nickname Generator
Generate cool, unique nicknames for social media, games, and online profiles.
Gamer Tag Generator
Generate awesome gamer tags for Xbox, PlayStation, Steam, and other gaming platforms.
Fantasy Name Generator
Generate unique fantasy character names for RPGs, novels, and creative writing.
Random Joke Generator
Generate random jokes to lighten the mood — setup first, then reveal the punchline.
Truth or Dare Generator
Generate fun truth or dare prompts for parties, group games, and icebreakers.
IBAN Generator (Test)
Generate test IBAN numbers for development and testing purposes only.
Color Palette Generator
Generate harmonious color palettes using color theory — complementary, triadic, analogous, and more.
Business Name Generator
Generate creative business names for startups, apps, agencies, and online brands.
Slogan Generator
Generate catchy marketing slogans and taglines for brands, products, and campaigns.
Email Subject Line Generator
Generate high-open-rate email subject lines to boost email marketing campaigns.
Username Generator
Generate unique usernames for social media, gaming, and online accounts.
Hashtag Pack Generator
Generate curated hashtag packs for Instagram, TikTok, Twitter, and other social media.
Random Quote Generator
Generate inspiring quotes from famous thinkers, leaders, and philosophers.
Meme Text Generator
Generate meme captions for popular meme templates like Drake, Distracted Boyfriend, and more.
Product Description Generator
Generate compelling product descriptions for e-commerce, marketing, and advertising.
Professional Bio Generator
Generate professional bios for LinkedIn, websites, portfolios, and conference profiles.
Privacy Policy Generator
Generate a basic privacy policy template for websites and apps.
Terms of Service Generator
Generate a basic Terms of Service template for websites and apps.
Invoice Generator
Generate professional invoice summaries with itemized billing and tax calculation.
Receipt Generator
Generate simple receipt summaries for stores, restaurants, and small businesses.
Hashtag Generator
Generate relevant hashtags for any topic to boost social media visibility.
IP Address Generator
Generate random IPv4 and IPv6 addresses for testing and network simulation.
Number Generator
Generate random numbers in any range with various options and formats.
Coin Flip Generator
Flip a virtual coin to make random yes/no decisions quickly.
Dice Roller
Roll virtual dice in any configuration for board games, RPGs, and random decisions.
Color Name Generator
Generate creative names for colors based on their hex values.
PIN Generator
Generate secure PINs and numeric codes of any length.
MAC Address Generator
Generate random MAC addresses for network testing and development.
HEX Color Generator
Generate random HEX color codes for design, development, and creativity.
Occupation Generator
Generate random job titles and occupations for character creation, forms, and mockups.
Country Generator
Generate random country names and details for testing, games, and education.
ISBN Generator
Generate test ISBN numbers for library systems, book databases, and development.
DNS Lookup
Query DNS records for any domain name online.
MD5 Hash Generator
Generate MD5 hash from any text or string instantly online — free.
SHA-256 Hash Generator
Generate SHA-256 hash from any text instantly online — fast and free.
Password Strength Checker
Check how strong your password is — free instant online tool.
Text Encrypt & Decrypt
Encrypt and decrypt text with AES-256 online — free and secure.
Random Token Generator
Generate secure random tokens, API keys and secrets online — free.
Bcrypt Hash Generator
Generate and verify bcrypt password hashes online — free instant tool.
JWT Decoder
Decode and inspect JWT tokens online — free instant JWT debugger.
Credit Card Validator
Validate credit card numbers using Luhn algorithm — free educational tool.
Luhn Algorithm Tool
Validate card numbers using the Luhn algorithm and compute check digits — for development and education.
CSR Generator
Generate a Certificate Signing Request (CSR) online — free SSL tool.
Loan Calculator
Calculate monthly loan payments, total interest and amortization — free online.
VAT Calculator
Add or remove VAT from prices instantly — free online VAT calculator.
Profit Margin Calculator
Calculate gross and net profit margin instantly — free online calculator.
Currency Converter
Convert between world currencies with live exchange rates — free online.
Investment Calculator
Calculate compound interest and investment growth online — free tool.
Percentage Calculator
Calculate percentages, increases, decreases and changes — free online.
Tip Calculator
Calculate tips and split bills online — free instant tip calculator.
Mortgage Calculator
Calculate monthly mortgage payments, PITI, and amortization schedule — free online.
Car Loan Calculator
Calculate car loan monthly payments with tax, down payment and trade-in — free.
Credit Card Interest Calculator
Calculate credit card interest and payoff time with minimum or fixed payments.
Debt Payoff Calculator
Compare debt avalanche vs snowball strategies to pay off multiple debts faster.
EMI Calculator
Calculate EMI for home loan, car loan or personal loan — free online tool.
Amortization Calculator
Generate a full amortization schedule for any loan — free online calculator.
Compound Interest Calculator
Calculate compound interest growth with monthly contributions — free online.
Stock Profit Calculator
Calculate stock trading profit, loss, and return percentage — free online.
Dividend Calculator
Calculate dividend income, DRIP reinvestment growth, and yield — free tool.
ROI Calculator
Calculate return on investment (ROI) and annualized return — free online.
Crypto Profit Calculator
Calculate cryptocurrency trading profit, loss, and break-even price — free.
Savings Growth Calculator
Calculate savings growth with monthly deposits and compound interest — free.
Investment Growth Calculator
Calculate real inflation-adjusted investment returns — free online tool.
Salary Calculator
Convert annual salary to hourly, monthly, weekly and daily pay — free online.
Hourly to Salary Converter
Convert hourly wage to annual salary and monthly pay — free online tool.
Net Salary Calculator
Calculate take-home pay after federal tax, state tax, and deductions — free.
Freelancer Earnings Calculator
Calculate freelancer take-home pay after self-employment tax and expenses.
Commission Calculator
Calculate sales commission earnings with flat rate or tiered structures — free.
Monthly Budget Calculator
Plan your monthly budget with expense tracking and savings rate — free online.
Savings Goal Calculator
Calculate monthly savings needed to reach any financial goal — free online.
Emergency Fund Calculator
Calculate your emergency fund target and monthly savings plan — free online.
Income Tax Calculator
Calculate US federal income tax with 2024 tax brackets and deductions — free.
Tax Refund Calculator
Estimate your tax refund or amount owed based on withholding — free online.
VAT Calculator (Advanced)
Add or remove VAT in multiple currencies with preset country rates — free.
Markup Calculator
Calculate markup percentage and profit margin from cost and price — free.
Break-Even Calculator
Calculate break-even point in units and revenue for any business — free online.
Business Loan Calculator
Calculate business loan payments, DSCR, and debt-to-revenue ratio — free.
Revenue Calculator
Calculate gross revenue, profit, and operating margin for any business — free.
Discount Calculator
Calculate sale price, savings amount, and total after tax and discount — free.
Tip Calculator (Advanced)
Calculate tips with preset rates, rounding, and per-person split — free online.
Split Bill Calculator
Split restaurant bills fairly with per-item assignment and tip — free online.
Trip Budget Calculator
Calculate total trip cost, per-person, and daily travel budget — free online.
Rent vs Buy Calculator
Compare the true cost of renting vs buying a home over time — free online.
Property Investment Calculator
Calculate cap rate, cash-on-cash return, and property investment returns — free.
Mortgage Affordability Calculator
Calculate how much home you can afford based on income and DTI — free online.
Currency Converter (Advanced)
Convert between 20 major currencies with popular pair shortcuts — free online.
Forex Profit Calculator
Calculate forex pip value, trade profit/loss, and required margin — free online.
Risk/Reward Calculator
Calculate risk/reward ratio, position size, and trade risk — free online.
Investment Risk Calculator
Calculate Sharpe ratio, Value at Risk (VaR), and investment scenarios — free.
Interest Rate Calculator
Calculate implied interest rate from principal, interest, and time — free.
Savings Interest Calculator
Calculate savings account interest with APY and monthly deposits — free online.
Fixed Deposit Calculator
Calculate fixed deposit (CD) maturity amount and interest earned — free.
Sales Tax Calculator
Add or remove US sales tax with state rate presets — free online calculator.
Expense Tracker Calculator
Track and categorize monthly expenses to find savings opportunities — free.
Meta Tag Generator
Generate SEO meta tags for your website — free instant online tool.
Open Graph Generator
Generate Open Graph meta tags for social media — free online tool.
Keyword Density Checker
Check keyword density in your content for SEO — free online tool.
Hashtag Generator
Generate trending hashtags for Instagram, Twitter and TikTok — free.
YouTube Title Generator
Generate catchy YouTube titles for more views and clicks — free online.
Robots.txt Generator
Generate robots.txt file for your website — free SEO tool.
XML Sitemap Generator
Generate XML sitemap for your website — free online SEO tool.
SEO Content Analyzer
Analyze your content for SEO quality, readability and keyword density — free.
SERP Preview Tool
Preview how your page looks in Google search results before publishing.
Title Tag Generator
Generate SEO-optimized title tags for blog posts, products, and service pages.
Meta Description Generator
Generate compelling meta descriptions that improve click-through rates.
Long-Tail Keyword Generator
Generate long-tail keyword variations to target high-intent search queries.
Keyword Difficulty Checker
Estimate the SEO difficulty of ranking for any keyword instantly.
Canonical Tag Generator
Generate canonical and hreflang tags to prevent duplicate content issues.
Schema Markup Generator
Generate JSON-LD schema markup for rich snippets in Google search results.
Robots.txt Tester
Test your robots.txt file to see which URLs are blocked or allowed for crawlers.
XML Sitemap Analyzer
Analyze your XML sitemap to find issues and count indexed URLs.
Page Speed Analyzer
Analyze your page speed performance metrics and Core Web Vitals scores.
Core Web Vitals Checker
Check your Core Web Vitals scores: LCP, FID, CLS, INP, and TTFB.
Internal Link Analyzer
Analyze all internal and external links in your page HTML.
Anchor Text Generator
Generate diverse anchor text variations for natural, SEO-friendly link building.
Blog Title Generator
Generate click-worthy blog post titles optimized for SEO and social sharing.
Article Outline Generator
Generate a structured article outline with headings and sections instantly.
Readability Checker
Check your content readability score and get suggestions to improve it.
Headline Analyzer
Analyze your headline for power words, emotional appeal, and SEO quality.
Content Rewriter
Rewrite your content in different tones: formal, casual, concise, or detailed.
Plagiarism Checker
Check your content for originality and potential plagiarism issues.
Backlink Checker
Check your backlink profile including total links, referring domains, and quality metrics.
Keyword Research Tool
Research keywords with volume, difficulty, CPC, and search intent data.
Meta Tag Analyzer
Extract and analyze all meta tags from any HTML source code.
Instagram Caption Generator
Generate engaging Instagram captions with hashtags for any post topic.
TikTok Caption Generator
Generate viral TikTok captions with hooks and trending hashtags.
Facebook Post Generator
Generate engaging Facebook posts for business pages and personal profiles.
Twitter/X Post Generator
Generate viral tweets and Twitter threads with 280-character optimization.
LinkedIn Post Generator
Generate professional LinkedIn posts for personal branding and business growth.
YouTube Description Generator
Generate SEO-optimized YouTube video descriptions with timestamps and hashtags.
YouTube Tags Generator
Generate relevant YouTube tags to improve your video discoverability.
YouTube Keyword Tool
Find high-traffic YouTube keywords with competition ratings for your videos.
YouTube Title Analyzer
Analyze and score your YouTube video title for SEO and click-through rate.
Ad Copy Generator
Generate high-converting ad copy for Google, Facebook, and Instagram ads.
Email Subject Line Generator
Generate email subject lines that boost open rates for any campaign type.
CTA Generator
Generate compelling calls-to-action for buttons, ads, landing pages, and emails.
Landing Page Headline Generator
Generate conversion-focused landing page headlines that capture attention.
Marketing Hook Generator
Generate powerful marketing hooks for ads, content, and sales pages.
Business Name Generator
Generate creative business names with modern, classic, and tech-inspired styles.
Brand Name Generator
Generate memorable brand names with different vibes: bold, friendly, luxurious, and playful.
Slogan Generator
Generate catchy brand slogans and taglines for your business.
Product Description Generator
Generate SEO-optimized product descriptions that convert browsers into buyers.
Product Title Generator
Generate optimized product titles for Amazon, Shopify, Etsy, and eBay.
Amazon Keyword Tool
Find high-converting Amazon keywords for your product listings.
Shopify SEO Analyzer
Analyze and improve your Shopify product page SEO score instantly.
SEO Content Writer
Generate a complete SEO-optimized article draft with headings and FAQ section.
Centimeters to Meters
Convert centimeters to meters online free. 1 meter = 100 cm.
Meters to Centimeters
Convert meters to centimeters. 1 m = 100 cm.
Meters to Kilometers
Convert meters to kilometers. 1 km = 1000 m.
Kilometers to Meters
Convert kilometers to meters. 1 km = 1000 m.
Kilometers to Miles
Convert km to miles online. 1 km = 0.621371 miles.
Miles to Kilometers
Convert miles to kilometers. 1 mile = 1.60934 km.
Inches to Centimeters
Convert inches to cm. 1 inch = 2.54 cm. Free online tool.
Centimeters to Inches
Convert cm to inches. 1 cm = 0.3937 inches.
Feet to Meters
Convert feet to meters. 1 foot = 0.3048 meters.
Meters to Feet
Convert meters to feet. 1 meter = 3.28084 feet.
Yards to Meters
Convert yards to meters. 1 yard = 0.9144 meters.
Meters to Yards
Convert meters to yards. 1 meter = 1.09361 yards.
Millimeters to Inches
Convert mm to inches. 1 inch = 25.4 mm.
Inches to Millimeters
Convert inches to mm. 1 inch = 25.4 mm.
Nautical Miles to Kilometers
Convert nautical miles to km. 1 nmi = 1.852 km.
Kilometers to Nautical Miles
Convert km to nautical miles. 1 km = 0.53996 nmi.
Feet to Inches
Convert feet to inches. 1 foot = 12 inches.
Inches to Feet
Convert inches to feet. 12 inches = 1 foot.
Kilograms to Pounds
Convert kg to pounds. 1 kg = 2.20462 lbs. Free online converter.
Pounds to Kilograms
Convert pounds to kg. 1 lb = 0.453592 kg.
Grams to Ounces
Convert grams to ounces. 1 oz = 28.3495 grams.
Ounces to Grams
Convert ounces to grams. 1 oz = 28.3495 g.
Metric Tons to Kilograms
Convert metric tons to kg. 1 ton = 1000 kg.
Kilograms to Metric Tons
Convert kg to metric tons. 1000 kg = 1 ton.
Milligrams to Grams
Convert mg to grams. 1000 mg = 1 g.
Grams to Milligrams
Convert grams to milligrams. 1 g = 1000 mg.
Kilograms to Grams
Convert kg to grams. 1 kg = 1000 g.
Grams to Kilograms
Convert grams to kg. 1000 g = 1 kg.
Celsius to Fahrenheit
Convert Celsius to Fahrenheit. °F = (°C × 9/5) + 32.
Fahrenheit to Celsius
Convert Fahrenheit to Celsius. °C = (°F - 32) × 5/9.
Celsius to Kelvin
Convert Celsius to Kelvin. K = °C + 273.15.
Kelvin to Celsius
Convert Kelvin to Celsius. °C = K - 273.15.
Fahrenheit to Kelvin
Convert Fahrenheit to Kelvin. K = (°F + 459.67) × 5/9.
Kelvin to Fahrenheit
Convert Kelvin to Fahrenheit. °F = K × 9/5 - 459.67.
km/h to mph
Convert km/h to mph. 1 km/h = 0.621371 mph.
mph to km/h
Convert mph to km/h. 1 mph = 1.60934 km/h.
m/s to km/h
Convert m/s to km/h. 1 m/s = 3.6 km/h.
km/h to m/s
Convert km/h to m/s. Divide by 3.6.
Knots to km/h
Convert knots to km/h. 1 knot = 1.852 km/h.
km/h to Knots
Convert km/h to knots. 1 km/h = 0.53996 knots.
mph to m/s
Convert mph to m/s. 1 mph = 0.44704 m/s.
Liters to Milliliters
Convert liters to ml. 1 L = 1000 mL.
Milliliters to Liters
Convert mL to liters. 1000 mL = 1 L.
Gallons to Liters
Convert gallons to liters. 1 US gal = 3.78541 L.
Liters to Gallons
Convert liters to gallons. 1 L = 0.264172 US gal.
Cups to Milliliters
Convert cups to mL. 1 US cup = 236.588 mL.
Milliliters to Cups
Convert mL to cups. 236.588 mL = 1 cup.
Cubic Meters to Liters
Convert m³ to liters. 1 m³ = 1000 L.
Liters to Cubic Meters
Convert liters to m³. 1000 L = 1 m³.
Fluid Ounces to Milliliters
Convert fl oz to mL. 1 fl oz = 29.5735 mL.
Milliliters to Fluid Ounces
Convert mL to fl oz. 29.5735 mL = 1 fl oz.
Square Meters to Square Feet
Convert m² to ft². 1 m² = 10.7639 ft².
Square Feet to Square Meters
Convert ft² to m². 1 ft² = 0.0929 m².
Hectares to Acres
Convert hectares to acres. 1 ha = 2.47105 acres.
Acres to Hectares
Convert acres to hectares. 1 acre = 0.404686 ha.
Square Kilometers to Square Meters
Convert km² to m². 1 km² = 1,000,000 m².
Square Meters to Square Kilometers
Convert m² to km². 1,000,000 m² = 1 km².
Square Centimeters to Square Inches
Convert cm² to in². 1 in² = 6.4516 cm².
Square Inches to Square Centimeters
Convert in² to cm². 1 in² = 6.4516 cm².
Joules to Calories
Convert joules to calories. 1 cal = 4.184 J.
Calories to Joules
Convert calories to joules. 1 cal = 4.184 J.
Kilocalories to Joules
Convert kcal to joules. 1 kcal = 4184 J.
kWh to Joules
Convert kWh to joules. 1 kWh = 3,600,000 J.
Joules to kWh
Convert joules to kWh. 3,600,000 J = 1 kWh.
Ergs to Joules
Convert ergs to joules. 1 J = 10,000,000 ergs.
Watts to Kilowatts
Convert watts to kilowatts. 1 kW = 1000 W.
Kilowatts to Watts
Convert kilowatts to watts. 1 kW = 1000 W.
Horsepower to Watts
Convert hp to watts. 1 hp = 745.7 W.
Watts to Horsepower
Convert watts to hp. 1 hp = 745.7 W.
Watts to Megawatts
Convert watts to megawatts. 1 MW = 1,000,000 W.
BTU/hr to Watts
Convert BTU/hr to watts. 1000 BTU/h ≈ 293 W.
Bar to PSI
Convert bar to PSI. 1 bar = 14.5038 psi.
PSI to Bar
Convert PSI to bar. 1 psi = 0.0689476 bar.
Atmospheres to Pascals
Convert atm to Pa. 1 atm = 101,325 Pa.
Pascals to Atmospheres
Convert Pa to atm. 101,325 Pa = 1 atm.
PSI to kPa
Convert PSI to kPa. 1 psi = 6.89476 kPa.
kPa to PSI
Convert kPa to PSI. 6.89476 kPa = 1 psi.
mmHg to Pascals
Convert mmHg to Pa. 1 mmHg = 133.322 Pa.
Bytes to Kilobytes
Convert bytes to KB. 1 KB = 1024 bytes.
Kilobytes to Bytes
Convert KB to bytes. 1 KB = 1024 bytes.
Kilobytes to Megabytes
Convert KB to MB. 1 MB = 1024 KB.
Megabytes to Kilobytes
Convert MB to KB. 1 MB = 1024 KB.
Megabytes to Gigabytes
Convert MB to GB. 1 GB = 1024 MB.
Gigabytes to Megabytes
Convert GB to MB. 1 GB = 1024 MB.
Gigabytes to Terabytes
Convert GB to TB. 1 TB = 1024 GB.
Terabytes to Gigabytes
Convert TB to GB. 1 TB = 1024 GB.
Bits to Bytes
Convert bits to bytes. 8 bits = 1 byte.
Bytes to Bits
Convert bytes to bits. 1 byte = 8 bits.
Seconds to Minutes
Convert seconds to minutes. 60 seconds = 1 minute.
Minutes to Seconds
Convert minutes to seconds. 1 minute = 60 seconds.
Minutes to Hours
Convert minutes to hours. 60 min = 1 hour.
Hours to Minutes
Convert hours to minutes. 1 hour = 60 minutes.
Hours to Days
Convert hours to days. 24 hours = 1 day.
Days to Hours
Convert days to hours. 1 day = 24 hours.
Days to Weeks
Convert days to weeks. 7 days = 1 week.
Weeks to Days
Convert weeks to days. 1 week = 7 days.
Seconds to Hours
Convert seconds to hours. 3600 sec = 1 hour.
Hours to Seconds
Convert hours to seconds. 1 hour = 3600 seconds.
USD to JOD
Convert USD to Jordanian Dinar. Approximate static rate.
JOD to USD
Convert Jordanian Dinar to USD. Approximate rate.
USD to EUR
Convert US dollars to euros. Approximate rate.
EUR to USD
Convert euros to US dollars. Approximate rate.
USD to GBP
Convert USD to British pounds. Approximate rate.
GBP to USD
Convert British pounds to USD. Approximate rate.
USD to JPY
Convert USD to Japanese Yen. Approximate rate.
USD to SAR
Convert USD to Saudi Riyal. Approximate rate.
USD to AED
Convert USD to UAE Dirham. 1 USD ≈ 3.673 AED.
EUR to GBP
Convert euros to British pounds. Approximate rate.
Moles to Molecules
Convert moles to molecules using Avogadro's number (6.022×10²³).
Molecules to Moles
Convert molecules to moles. Uses Avogadro's number.
Newtons to Kilogram-force
Convert N to kgf. 1 kgf = 9.80665 N.
Kilogram-force to Newtons
Convert kgf to N. 1 kgf = 9.80665 N.
Pound-force to Newtons
Convert lbf to N. 1 lbf = 4.44822 N.
Density Converter g/cm³ to kg/m³
Convert g/cm³ to kg/m³. 1 g/cm³ = 1000 kg/m³.
Radians to Degrees
Convert radians to degrees. π rad = 180°.
Degrees to Radians
Convert degrees to radians. 180° = π rad.
Light-Years to Kilometers
Convert light-years to km. 1 ly = 9.461×10¹² km.
Parsecs to Light-Years
Convert parsecs to light-years. 1 pc = 3.26156 ly.
Text to Binary Converter
Convert plain text to binary code (0s and 1s) or decode binary back to text instantly.
Binary to Text Converter
Decode binary code (0s and 1s) back to readable text. Paste binary, get text instantly.
ASCII Code Converter
Convert text to ASCII decimal codes or ASCII codes back to text. Full two-way converter.
Morse Code Converter
Convert text to Morse code or decode Morse code back to plain text. Supports dots, dashes, and spaces.
HEX to RGBA Converter
Convert HEX color codes to RGBA format with optional alpha channel. Live color preview.
RGBA to HEX Converter
Convert RGBA color values to HEX codes. Supports alpha channel with 8-digit HEX output.
Color Contrast Checker
Check WCAG color contrast ratios. Verify AA and AAA accessibility compliance for text and background colors.
CSS Gradient Generator
Create beautiful CSS linear and radial gradients with live preview. Copy the CSS code directly.
URL Slug Generator
Convert any title into a clean SEO-friendly URL slug. Removes special chars and spaces.
URL Cleaner
Remove UTM tracking parameters, fbclid, gclid and other tracking tags from URLs.
Redirect Checker
Analyze URL structure and detect redirect issues, tracking parameters, and protocol mismatches.
Date Difference Calculator
Calculate the exact number of days, weeks, months, and years between two dates.
Countdown Generator
Create a live countdown to any future date and time. Shows days, hours, minutes, seconds.
Discount Calculator
Calculate the final price after a percentage discount. See original price, savings, and final amount.
Tip Calculator
Calculate tip amount and split the total bill between any number of people.
Tax Calculator
Add tax to a price or extract tax from a tax-inclusive amount. Supports VAT, GST, sales tax.
Roman Numeral Converter
Convert Arabic numbers to Roman numerals or Roman numerals to numbers. Supports 1–3999.
Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal instantly.
Reading Time Calculator
Calculate how long it takes to read any content at different reading speeds (WPM).
Loan Calculator
Calculate monthly loan payments, total interest, and total cost. Works for any loan type.
Mortgage Calculator
Calculate mortgage payments including principal, interest, taxes, and insurance (PITI).
Compound Interest Calculator
Calculate compound interest with optional monthly contributions. See your money grow over time.
Simple Interest Calculator
Calculate simple interest with the formula I = P × R × T. Instant results for any period.
ROI Calculator
Calculate Return on Investment (ROI) and annualized return for any investment.
Savings Goal Calculator
Calculate how long it takes to reach a savings goal with monthly contributions and interest.
Salary Calculator
Convert salary between hourly, daily, weekly, monthly, and annual rates instantly.
Profit Calculator
Calculate gross profit, net profit, profit margins for any business or product.
Investment Return Calculator
Project future investment value with regular contributions and compound growth.
Break-Even Calculator
Find the exact units and revenue needed to cover all fixed and variable costs.
Markup Calculator
Calculate selling price from cost with markup, or find the markup on any selling price.
Profit Margin Calculator
Calculate gross profit margin and markup for any product or service.
Car Loan Calculator
Calculate monthly car payments, total interest, and total cost for any auto loan.
Currency Converter
Convert between 20+ currencies using reference exchange rates. Quick and easy.
Sales Tax Calculator
Add sales tax to a price or remove tax from a tax-inclusive amount. Works for all US states.
BMI Calculator
Calculate BMI in metric or imperial units. Instantly see your BMI category.
Calorie Calculator (TDEE)
Calculate daily calorie needs (TDEE) based on age, weight, height, and activity level.
BMR Calculator
Calculate Basal Metabolic Rate (BMR) using Harris-Benedict and Mifflin-St Jeor formulas.
Ideal Weight Calculator
Calculate ideal body weight using Devine, Hamwi, and BMI-based formulas.
Body Fat Calculator
Estimate body fat percentage using the US Navy method. Requires neck, waist, and hip measurements.
Water Intake Calculator
Calculate your daily water intake recommendation based on weight, activity, and climate.
Pregnancy Due Date Calculator
Calculate estimated due date from last period date or conception date.
Pace Calculator
Calculate running pace, speed (km/h and mph) from distance and time.
Calories Burned Calculator
Calculate calories burned during any exercise using MET values and body weight.
Macro Calculator
Calculate daily protein, carbs, and fat targets from calorie goals and diet type.
Sleep Calculator
Find the best bedtime or wake-up time based on 90-minute sleep cycles.
Age Calculator
Calculate exact age in years, months, days, and total days from any birthdate.
Days Between Dates
Calculate the number of days, weeks, months, and years between any two dates.
Time Duration Calculator
Calculate hours worked between two times with optional break deduction.
Working Days Calculator
Count business days between two dates, excluding weekends and holidays.
Countdown Timer
Create a live countdown to any future date and event. Real-time days, hours, minutes, seconds.
Percentage Calculator
Calculate X% of Y, what percent X is of Y, and percentage change between two values.
Fraction Calculator
Add, subtract, multiply, and divide fractions. Shows simplified, decimal, and mixed number results.
Scientific Calculator
Full scientific calculator with trigonometry, logarithms, memory, and more.
Average Calculator
Calculate mean, median, mode, sum, and standard deviation from a list of numbers.
Standard Deviation Calculator
Calculate population or sample standard deviation and variance from any dataset.
Logarithm Calculator
Calculate log base 10, natural log (ln), log base 2, and any custom log base.
Fuel Cost Calculator
Calculate total fuel cost and cost per 100km for any journey. Supports L/100km and MPG.
Electricity Cost Calculator
Calculate electricity cost for any appliance. Daily, monthly, and yearly estimates.
GPA Calculator
Calculate your GPA from course grades and credit hours. Supports all standard letter grades.
Grade Calculator
Calculate weighted course grade from assignments, exams, and homework with custom weights.
Tip Calculator
Calculate tip amount and split the bill evenly between any number of people.
Concrete Calculator
Calculate concrete volume in m³ and ft³, plus number of 60lb and 80lb bags needed.
Paint Calculator
Calculate paint needed for any room, accounting for doors, windows, and number of coats.
Tile Calculator
Calculate number of tiles needed for any floor or wall, including waste factor.
Area Calculator
Calculate area of rectangle, circle, triangle, square, trapezoid, and ellipse.
Volume Calculator
Calculate volume of box, sphere, cylinder, cone, and pyramid with any dimensions.
Bandwidth Calculator
Calculate download time and bandwidth requirements for any file size and connection speed.
Download Time Calculator
Calculate how long it takes to download any file at a given internet speed.
Storage Converter
Convert between Bits, Bytes, KB, MB, GB, TB, and PB instantly.
Fuel Consumption Calculator
Calculate fuel efficiency in L/100km, MPG, and km/L from distance and fuel used.
Trip Cost Calculator
Estimate total road trip cost including fuel, tolls, and cost per person.
SHA-1 Hash Generator
Generate SHA-1 hashes from any text. Fast, free, and 100% browser-based.
SHA-512 Hash Generator
Generate SHA-512 hashes from any text. Maximum-strength cryptographic hashing.
HMAC Generator
Generate HMAC authentication codes using SHA-256, SHA-384, or SHA-512.
File Hash Generator
Calculate MD5, SHA-1, SHA-256, or SHA-512 hash of any file in your browser.
Hash Compare Tool
Compare two hash values to verify file integrity or password matches.
Advanced Password Generator
Generate ultra-secure passwords with advanced options: length, symbols, no ambiguous chars.
Passphrase Generator
Generate memorable yet secure passphrases with random words. Great for master passwords.
Password Entropy Calculator
Calculate password entropy in bits and estimate crack time for any password.
Password Leak Checker
Check if your password appears in known data breaches using the HIBP k-anonymity model.
Base64 Advanced Tool
Encode and decode Base64 with URL-safe variant and file support.
Hex Converter
Convert text to hexadecimal, hex to text, and between hex, binary, and decimal.
Binary Converter
Convert text to binary (ASCII) and binary back to text. Supports space-delimited output.
Unicode Converter
Convert text to Unicode code points, HTML entities, and escape sequences.
URL Encoder / Decoder
Encode and decode URL percent-encoded strings. Supports full URLs and components.
HTML Encode / Decode
Convert special characters to HTML entities and decode HTML entities back to text.
AES Encrypt / Decrypt
Encrypt and decrypt text using AES-256-GCM with PBKDF2 key derivation.
Caesar Cipher
Encrypt and decrypt text using the Caesar cipher with any shift value (1–25).
Vigenere Cipher
Encrypt and decrypt text using the polyalphabetic Vigenere cipher.
JWT Encoder
Create and sign JWT tokens with custom header, payload, and HMAC-SHA256 secret.
JWT Validator
Validate JWT structure, verify HMAC signature, and check expiry claims.
API Key Generator
Generate cryptographically secure API keys in hex, Base64, or UUID format.
Secure Token Generator
Generate CSRF tokens, session IDs, and nonces using cryptographic randomness.
OAuth Token Viewer
Decode and inspect OAuth 2.0 access tokens and Bearer tokens.
Password List Generator
Generate multiple unique passwords for batch account creation or testing.
JWT Debugger
Full JWT debug tool: decode, inspect, verify, and analyze JWT token security.
Cookie Parser
Parse and analyze HTTP Cookie header strings. Inspect security attributes.
Email Validator
Validate email address format and check domain MX record structure.
Phone Number Validator
Validate international phone numbers with country code detection.
IBAN Validator
Validate IBAN numbers using the official MOD-97 algorithm. Detects country and bank.
ZIP Code Validator
Validate ZIP codes and postal codes for US, UK, Canada, and 50+ countries.
User Agent Parser
Parse any user agent string to detect browser, OS, device, and bot status.
User Agent Generator
Generate realistic user agent strings for any browser, OS, and device combination.
IP Range Calculator
Calculate IP range, subnet mask, and network info from CIDR notation.
Port Reference Tool
Look up well-known port numbers and their associated services and protocols.
Security Headers Checker
Analyze HTTP security headers and score any website's security posture.
CSP Analyzer
Parse and analyze Content Security Policy headers. Detect unsafe directives.
XSS Pattern Checker
Detect common XSS payloads and patterns in text for educational security testing.
SQL Injection Pattern Checker
Detect common SQL injection patterns for defensive security testing.
EXIF Metadata Viewer
View EXIF metadata from JPEG photos including GPS location, camera, and date.
File Integrity Checker
Compute SHA-256 hash of any file and verify against an expected hash value.
Checksum Validator
Compute and compare MD5, SHA-1, SHA-256, and SHA-512 checksums for text or files.
CORS Tester
Test and understand CORS configuration by analyzing CORS headers and policies.
HTTP Header Inspector
Analyze HTTP response headers for security, information disclosure, and best practices.
SSL/TLS Reference Guide
Reference guide for SSL/TLS protocols, cipher suites, and certificate best practices.
Reverse DNS Lookup
Perform reverse DNS (PTR record) lookups to find hostnames from IP addresses.
Whois Lookup
Look up domain registration details, registrar, creation date, and name servers.
2FA TOTP Generator
Generate TOTP two-factor authentication codes from any Base32 secret key.
PBKDF2 Key Derivation
Derive encryption keys from passwords using PBKDF2 with SHA-256.
Privacy Policy Analyzer
Analyze privacy policy text for key data collection, sharing, and retention clauses.