All 638+ Free Online Tools
Complete directory of free tools across 10 categories.
2FA TOTP Generator
Generate TOTP two-factor authentication codes from any Base32 secret key.
Acres to Hectares
Convert acres to hectares. 1 acre = 0.404686 ha.
Ad Copy Generator
Generate high-converting ad copy for Google, Facebook, and Instagram ads.
Add Digital Signature to PDF
Add digital signature to PDF documents online for free.
Add Image to PDF
Insert images into PDF pages online for free.
Add Line Breaks
Add line breaks to text at a specified column width automatically.
Add Page Numbers to PDF
Add page numbers to PDF files online — customize position and style.
Add Text to Image
Add text to images online — free text overlay tool.
Add Text to PDF
Add custom text to any PDF page online for free.
Add Watermark to Image
Add watermark to images online — protect your photos free.
Add Watermark to PDF
Add text or image watermark to PDF pages online for free.
Adjust Brightness & Contrast
Adjust image brightness and contrast online — fix dark and dull photos.
Advanced Lorem Ipsum Generator
Generate customizable placeholder text: words, sentences, or paragraphs with classic Lorem Ipsum.
Advanced Password Generator
Generate ultra-secure passwords with full customization: length, characters, symbols, and ambiguity options.
Advanced Password Generator
Generate ultra-secure passwords with advanced options: length, symbols, no ambiguous chars.
Advanced QR Code Generator
Generate QR codes for URLs, text, WiFi credentials, email, phone numbers, and SMS.
AES Encrypt / Decrypt
Encrypt and decrypt text using AES-256-GCM with PBKDF2 key derivation.
Age Calculator
Calculate exact age in years, months, days, and total days from any birthdate.
Alternating Case Converter
Convert text to aLtErNaTiNg CaSe for a mocking/spongebob effect.
Amazon Keyword Tool
Find high-converting Amazon keywords for your product listings.
Amortization Calculator
Generate a full amortization schedule for any loan — free online calculator.
Anchor Text Generator
Generate diverse anchor text variations for natural, SEO-friendly link building.
Annotate PDF
Add comments, notes, and annotations to PDF online free.
API Key Generator
Generate secure API keys in HEX, Base64URL, and alphanumeric formats.
API Key Generator
Generate cryptographically secure API keys in hex, Base64, or UUID format.
API Response Formatter
Format and analyze raw API JSON responses.
Area Calculator
Calculate area of rectangle, circle, triangle, square, trapezoid, and ellipse.
Article Outline Generator
Generate a structured article outline with headings and sections instantly.
ASCII Code Converter
Convert text to ASCII decimal codes or ASCII codes back to text. Full two-way converter.
ASCII Converter
Convert text to ASCII codes and ASCII codes back to text.
Aspect Ratio Cropper
Crop images to any aspect ratio — 16:9, 4:3, 1:1, and more.
Atmospheres to Pascals
Convert atm to Pa. 1 atm = 101,325 Pa.
Average Calculator
Calculate mean, median, mode, sum, and standard deviation from a list of numbers.
Backlink Checker
Check your backlink profile including total links, referring domains, and quality metrics.
Bandwidth Calculator
Calculate download time and bandwidth requirements for any file size and connection speed.
Bar to PSI
Convert bar to PSI. 1 bar = 14.5038 psi.
Barcode Generator
Generate visual barcodes from numeric codes for products, inventory, and labels.
Base32 Encoder / Decoder
Encode and decode Base32 strings online.
Base64 Advanced Tool
Encode and decode Base64 with URL-safe variant and file support.
Base64 Encoder/Decoder
Encode and decode Base64 strings online instantly.
Bcrypt Hash Generator
Generate and verify bcrypt password hashes online — free instant tool.
Binary Converter
Convert text to binary (ASCII) and binary back to text. Supports space-delimited output.
Binary to Text Converter
Decode binary code (0s and 1s) back to readable text. Paste binary, get text instantly.
Bits to Bytes
Convert bits to bytes. 8 bits = 1 byte.
Blog Title Generator
Generate compelling, SEO-friendly blog titles for any keyword or topic.
Blog Title Generator
Generate click-worthy blog post titles optimized for SEO and social sharing.
Blur Image
Blur images online — background blur, privacy blur, and artistic blur.
BMI Calculator
Calculate BMI in metric or imperial units. Instantly see your BMI category.