JWT decoder
Inspect a token header, payload, and timestamps without transmitting it.
A simple path to your result
Paste text or open a local file, adjust options, then copy or download the result.
Processed in this browser tab
Good to know
Decoding does not verify a JWT signature or trust its claims.
How to use jwt decoder
Paste a token into the decoder.
Inspect header, payload, and timestamps.
Clear the input when finished.
When it helps
Inspect claims during local debugging.
Formats and limits
Input: text entered in the page. Output: plain text. Browser support and available device memory can affect large jobs.
Decoding does not verify the token signature or establish that its claims are trustworthy.
Decoding does not verify a JWT signature or trust its claims.
Privacy and local processing
The selected content is processed in this browser tab. GoldieKit loads application code and, for portrait background removal, model files from the site; the tool does not upload your input for processing. See the privacy notice for network and hosting details.
Common questions
Which formats does this tool handle?
Input: text entered in the page. Output: plain text.
Is an account required?
No. You can use this tool in your browser without creating an account.