DEV
Developer tools
Everyday debugging helpers for tokens, schedules, patterns, and time — no signup.
Timestamp ConverterConvert epoch, ISO dates, and timezones side by sideCron ExplainerTurn crontab expressions into plain English and next run timesJWT Encoder / DecoderDecode, encode, and verify JWTs with an optional secret or keyRegex Tester & ExplainerTest, build, and explain regular expressions in plain English