JWT Decoder
Inspect JWT header and payload data locally. Decoded output is not verified.
JWT input
Paste a compact JWT. This decoder never verifies, signs, or fetches keys.
Decoded does not mean verified. This tool does not validate signatures or token trust.
0 characters
JWT input is limited to 8,000characters. Token contents are untrusted data and stay in this browser.
Decoded JWT
Header and payload are rendered as plain text only.
No decoded JWT yet
Paste a token and decode it to inspect the header and payload.
Your input stays in this browser and is not sent to Kiriyar.
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