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JWT Encoder / Decoder

Encode and decode JWTs (JSON Web Tokens) with ease.

Token

paste a JWT

Decoded

Decoded token will appear here after decoding.

Developer Utilities

About JWT Decoder

Decode and inspect JWT tokens to view header, payload, and signature info. DevTools provides focused browser-based developer utilities so you can validate inputs, inspect payloads, copy results, and move between related utilities without installing local dependencies or configuring heavy toolchains.

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Frequently asked questions

What is JWT Decoder?
JWT Decoder is a free online developer utilities tool. Decode and inspect JWT tokens to view header, payload, and signature info.
Is JWT Decoder free to use?
Yes. JWT Decoder is 100% free in your browser with no required sign-up, rate limits, or paywalls.
Who is JWT Decoder useful for?
JWT Decoder is built for developers, testers, technical writers, product engineers, students, and DevOps teams who need reliable, fast browser utilities for everyday development work.
Is data processed securely in the browser?
Yes. All core formatting, encoding, generation, and inspection operations happen locally in your browser client sandbox without sending confidential payloads to external servers.