Developer Tools
Format JSON, encode Base64, minify code and more developer utilities.
58 tools available
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.
DNS Lookup
Query DNS records for any domain name online.