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Developer Tools
Client-side utilities for everyday development work. Nothing leaves your browser.
{ }Format
JSON Formatter
Pretty-print, minify and validate JSON with line-level error reporting.
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JWTDecode
JWT Decoder
Decode a JSON Web Token's header and payload and inspect its claims instantly.
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64Convert
Base64 Encode / Decode
Convert text to and from Base64, with full UTF-8 support for unicode input.
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#Crypto
Hash Generator
Generate MD5, SHA-1, and SHA-256 hashes of any text instantly, all in your browser.
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%Convert
URL Encode / Decode
Percent-encode or decode text and full URLs, with separate component and full-URL modes.
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.*Match
Regex Tester
Test regular expressions against sample text with live match highlighting and capture groups.
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* *Schedule
Cron Parser
Decode cron expressions into plain English and preview their next scheduled run times.
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IDGenerate
UUID Generator
Generate cryptographically random v4 UUIDs one at a time or in bulk, with one-click copy.
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•••Generate
Password Generator
Generate strong random passwords with configurable length and character sets, scored for strength.
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