Question 1

How do I decode a JWT token online?

Accepted Answer

Paste your JWT token into the input field. DevPrism instantly decodes and displays the header, payload claims, and signature details.

Question 2

What JWT signing algorithms does DevPrism support?

Accepted Answer

DevPrism detects and displays HS256, HS384, HS512, RS256, RS384, RS512, ES256, and other standard algorithms from the JWT header.

Question 3

Can I verify a JWT signature?

Accepted Answer

Yes. Provide the secret or public key and DevPrism will verify the signature and show whether it is valid.

Question 4

Is my JWT token sent to a server?

Accepted Answer

No. All decoding and verification is performed entirely in your browser. Your token never leaves your device.