Developer
Decode Bearer Token Online
- Browser-based
- No signup
This decode bearer token online tool parses JWT access tokens copied from `Authorization: Bearer` headers. Strip the prefix, paste the token, and inspect claims when debugging API clients, mobile apps, and SPA auth flows.
Bearer tokens grant access to whoever holds them—treat decoded output as sensitive.
Short-lived access tokens limit exposure; still avoid sharing them in support channels.
100% Client-Side
Your data never leaves your computer.
How to use this tool
Paste the token without the `Bearer ` prefix (or paste the full header line if the tool strips it), then review decoded JSON.
Worked example
Example: copy `eyJhbG...` from a failing curl request, decode claims, and see missing `scope` before updating your OAuth client.
When to use this
- Debugging Postman or curl Authorization headers.
- Reading claims from mobile app network traces.
- Validating token contents during pen-test remediation.
Common examples
- Access token from OAuth login → inspect `exp`, `sub`, and `roles` claims.
- Staging vs production token → compare `iss` and `aud` without verifying signature locally.
- Expired session token → confirm `exp` timestamp against current time in the payload view.
- Staging ID token → confirm `aud` matches your SPA client ID before release.
- Expired refresh token → verify `exp` claim against local clock skew.
What people search for
- jwt decoder
- decode jwt token
- jwt payload viewer
- json web token decoder
- inspect bearer token
Common mistakes
- Pasting refresh tokens or API keys into public decoders.
- Assuming decode equals authorization—verify server-side.
- Leaving expired tokens in browser history on shared machines.
Related long-tail tasks
- extract bearer token from curl command
- decode oauth2 access token claims
- bearer token vs api key difference
How it works
Paste a JWT (optionally with a Bearer prefix). The tool splits header, payload, and signature, Base64URL-decodes the first two segments, and pretty-prints them as JSON. Common time claims (iat, nbf, exp) are shown as timestamps. Signatures are displayed but not verified.
Limitations
Decoding a JWT does not verify its signature or prove the token is valid, trusted, or unexpired. Do not paste production secrets into untrusted tools.
Privacy and file handling
Your data is processed in your browser and is not uploaded to our server.
Related JWT Decoder guides
These pages use the same jwt decoder with guides tailored to specific search intents.
Frequently asked questions
Should I include the Bearer prefix?
Paste the JWT itself; remove `Bearer ` if the tool expects raw token text.
Are opaque bearer tokens supported?
Only JWT-formatted bearer tokens decode. Opaque tokens have no readable payload.
Is decode the same as validation?
No. Validation checks signature, expiry, issuer, and audience on the server.
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