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Developer Tools
JSON formatters, encoders, decoders, and code utilities for developers
7 tools100% freeNo signup
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JSON Formatter & Validator
Format, beautify, and validate JSON data online
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Base64 Encoder & Decoder
Encode and decode Base64 strings instantly
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JWT Decoder & Validator
Decode and inspect JSON Web Tokens
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URL Encoder & Decoder
Encode and decode URL components
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Text Tools & Utilities
Word count, case converter, and text manipulation tools
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Regex Tester & Debugger
Test and debug regular expressions with live matching
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Hash Generator (MD5, SHA-256)
Generate MD5, SHA-1, SHA-256 hashes
About Developer Tools
Developer tools built for speed and privacy. Format JSON, encode Base64, decode JWTs, generate hashes, and test regex patterns—all without leaving your browser. Every tool runs client-side, so your code and data stay completely private. No accounts, no tracking, no server uploads.
All tools run locally in your browser. Your data never leaves your device.