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JWT

Decode, verify and sign JSON Web Tokens.

Open JWT
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Watch on its own page

What it is

Paste a token to read its header, payload and every claim in plain English with expiry countdowns, verify its signature with a secret, PEM, JWK or JWKS, or sign a new one.

Why use it

  • Understand a token at a glance
  • Check a signature before you trust it
  • Make test tokens quickly

Key features

  • Claims explained in plain English
  • HS, RS, PS and ES verification
  • Signing from editable JSON

Before you start

Account
No account needed.
Pricing
No charge.
AI
No AI.
Privacy
Usage and what you paste are recorded, as its privacy page explains. Use test tokens, not live secrets.

Goes well with

Base64

Encode and decode Base64 text and images.

Open Base64

JSON

Validate, format and explore JSON as a tree.

Open JSON
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Built by James Argarin

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