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Free Developer Tools
JSON, Base64, Regex, JWT, Hashing and more.
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JSON Formatter & Validator
Format, validate, and minify JSON with tree view.
🔐Base64 Encode / Decode
Encode or decode Base64 strings and files instantly.
🔗URL Encoder / Decoder
Encode and decode URLs and query strings.
🏷️HTML Encoder / Decoder
Encode and decode HTML entities safely.
🔎Regex Tester
Test and debug regular expressions with live match highlighting.
🔑MD5 / SHA Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes.
🎨CSS Minifier
Minify and beautify CSS files with size savings report.
⚡JavaScript Beautifier / Minifier
Beautify or minify JavaScript code instantly.
⏰Cron Expression Parser
Parse cron expressions into plain English with next run times.
🎫JWT Decoder
Decode and inspect JWT tokens — header, payload, expiry.