Question 1

What is a JWT token?

Accepted Answer

JWT (JSON Web Token) is a compact, URL-safe means of representing claims to be transferred between two parties. It consists of three parts: header, payload, and signature, separated by dots.

Question 2

Is this JWT tool secure?

Accepted Answer

Yes, this JWT tool is completely secure as it runs 100% client-side in your browser. No data is uploaded to any servers, ensuring your tokens and keys remain private.

Question 3

Which JWT algorithms are supported?

Accepted Answer

Our JWT tool supports all standard algorithms: HS256, HS384, HS512 (HMAC), RS256, RS384, RS512 (RSA), ES256, ES384, ES512 (ECDSA), PS256, PS384, PS512 (RSA-PSS), and EdDSA (Ed25519).

Question 4

Can I use this tool offline?

Accepted Answer

Yes, once loaded, the JWT tool works offline as it's a client-side application that doesn't require server connectivity for JWT operations.

Question 5

Is this JWT tool free to use?

Accepted Answer

Yes, this JWT tool is completely free to use with no registration required. It's open source and available for everyone.

JWT Developer Tool

JWT Decoder - Decode and Analyze Tokens

JWT Operations

JWT Decoder - Decode and Analyze Tokens