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Developer tools that just work.
Fast, no-nonsense utilities for everyday development. Everything runs locally in your browser.
JSON Formatter
Format, validate, and beautify JSON instantly in your browser.
Regex Tester
Test and debug regular expressions with live match highlighting.
JWT Decoder
Decode and inspect JSON Web Tokens instantly.
Cron Builder
Build cron expressions visually or decode existing ones into plain English.
Base64 / URL Codec
Encode or decode Base64 and URL strings instantly.
Hash / UUID Generator
Generate MD5, SHA-1, SHA-256, SHA-512 hashes and UUIDs.
Fast by default
Private by design
No accounts, ever
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