Code Beautifier
Format and indent messy CSS, JavaScript, or HTML code.
🔒 Your files stay on your device — no uploads, no accountsTool can make mistakes. Check important info.
More Developer Tools
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to plain text.
💻Color Contrast Checker
Check whether a text/background color pair meets WCAG AA and AAA accessibility standards.
💻Cron Expression Parser
Translate a cron schedule expression into a plain-English description.
💻CSS Button Generator
Design a button visually and copy the ready-made HTML and CSS.
💻CSS Gradient Generator
Build linear or radial gradients visually and copy the CSS.
💻CSV Generator
Build a custom CSV file by defining your own columns and data types.
💻Fake Data Generator
Generate realistic-looking sample data — names, emails, addresses and more — for testing.
💻Hash Generator
Generate SHA-1, SHA-256, SHA-384 and SHA-512 hashes from text.
💻HTML Entity Encoder / Decoder
Convert special characters to HTML entities, or decode entities back to text.
💻JSON Formatter & Validator
Format, validate and minify JSON with clear error messages.
💻JWT Decoder
Decode a JSON Web Token to inspect its header and payload. Runs entirely in your browser - your token is never sent anywhere.
💻Password Generator
Generate strong, random passwords with customizable length and character sets.
💻Regex Tester
Test regular expressions against sample text and see every match highlighted.
💻SQL Formatter
Format and beautify messy SQL queries with proper indentation.
💻URL Encoder / Decoder
Percent-encode or decode text and URLs.
💻UUID Generator
Generate random UUID v4 identifiers, one at a time or in bulk.
💻XML Formatter
Format, validate and minify XML with proper indentation.