Enter a Unix time or a date and see it in every format. Your data never leaves this computer.
Only the contents of the JWT are read. The signature is not verified, so this tool does not prove that a token is genuine.
Enter Unix seconds or milliseconds, ISO 8601, or a date like "2026-09-30 14:30".
Type text or choose a file. SHA-1, SHA-256, SHA-384 and SHA-512 are computed. The file never leaves your computer.
Numbers with 13 digits or more are treated as milliseconds, shorter ones as seconds.
The ISO output is UTC. The local time line uses your browser's time zone.
ISO 8601 (2023-11-14T22:13:20Z), local-time forms such as 2023-11-14 22:13 and common date formats your browser understands.