JWT Decoder

Decode JWT header & payload and check expiry. Free, private and runs in your browser.

New

Header

Payload

About the JWT Decoder

Inspect JSON Web Tokens safely. Your token is decoded locally and never sent to a server.

100% free
No signup
Private – runs locally
Works on mobile

How to use the JWT Decoder

  1. Paste a JWT.
  2. See header, payload and expiry.
  3. Copy what you need.

Frequently asked questions

Does this verify the signature?

No — it decodes only. Signature verification requires the secret or public key.

Is the JWT Decoder free?

Yes. JWT Decoder on Tooliphy is 100% free with no signup, no watermark and no usage limits.

Is it safe to use? Are my files uploaded?

Your data is processed directly in your browser and is never uploaded to our servers, so it stays completely private.

Does it work on mobile?

Yes, the tool works on Android phones, iPhones, tablets and desktops in any modern browser.

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