Developer Tools
Developer Tools
Base64, URLs, JWT, regex, hashes, timestamps and minifiers.
29 tools
Document
PDF ↔ JPG, Word ↔ PDF, and TXT → PDF.
Image
JPG, PNG, WebP and SVG conversions.
Data
JSON, CSV, XML and YAML formatters.
Developer
JSON, Base64, JWT, regex, minify and color tools.
JSON Formatter
Pretty-print, check or minify JSON.
Base64 Encoder
Turn text into a Base64 string.
Base64 Decoder
Decode a Base64 string back to text.
URL Encoder
Percent-encode a URL or query string.
URL Decoder
Decode a percent-encoded URL string.
HTML Entity Encoder/Decoder
Escape or unescape HTML entities.
Unix Timestamp Converter
Convert Unix time to a readable date and back.
UUID Generator
Generate random UUID v4 values.
Hash Generator
Create SHA-1, SHA-256, SHA-384 or SHA-512 hashes.
JSON Validator
Check whether a JSON string is valid.
JSON Minifier
Remove extra whitespace from JSON.
Regex Tester
Test a regular expression against sample text.
JWT Decoder
Read a JWT header and payload without verifying the signature.
HTML Formatter
Pretty-print HTML with readable indentation.
CSS Minifier
Minify CSS by removing comments and extra spaces.
JS Minifier
Strip comments and extra space from JavaScript.
SQL Formatter
Pretty-print SQL queries.
Color Converter
Convert colors between HEX, RGB and HSL.
Markdown → HTML
Turn Markdown into HTML.
QR Code Generator
Type a URL or some text. Download a PNG.
Password Generator
Random passwords from your browser’s crypto API.
Cron Explainer
Paste a 5-field cron and read it in English.
htaccess Redirect Generator
Build a 301 or 302 Apache redirect line.
robots.txt Generator
Allow or block crawlers and point at a sitemap.
CSS Gradient Generator
Two colors, a direction, and the CSS to copy.
Box Shadow Generator
Offset, blur and color. Copy the CSS.
Random String Generator
Letters, numbers or both. Good for IDs and test data.
Contrast Checker
Foreground and background. WCAG AA / AAA.
Binary Hex Decimal
Convert between binary, octal, decimal and hex.
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