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Free Developer Tools

Format JSON, encode Base64, generate hashes, test regex, decode JWTs and convert data formats — all instantly in your browser.

16
free tools — no signup, no tracking
🔗
Redirect Checker
Trace 301/302/307 redirect chains and find the final URL
📝
JSON Formatter
Format, validate and minify JSON instantly
💻
Base64 Encoder
Encode and decode Base64 strings
🔑
Hash Generator
Generate MD5, SHA-256, SHA-512 hashes
🔍
Diff Checker
Compare two texts and highlight differences
⚙️
Regex Tester
Test regular expressions with live matching
🔑
JWT Decoder
Decode and inspect JSON Web Tokens
🔤
URL Encoder
Encode and decode URLs and query strings
🔢
Base Converter
Convert between binary, hex, octal and decimal
📊
CSV to JSON
Convert CSV spreadsheet data to JSON format
📊
JSON to CSV
Convert JSON arrays to CSV spreadsheet format
💬
Markdown to HTML
Live Markdown preview and HTML converter
⚙️
Text to Binary
Convert text to binary, hex, octal or decimal
🖼️
Image to Base64
Encode images as Base64 Data URI strings
📄
XML Formatter
Format, validate, minify and convert XML to JSON
↪️
Redirect Checker
Trace 301/302/307 redirect chains for any URL
⏱
Timestamp Converter
Convert Unix timestamps to dates and vice versa
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