Free JWT Decoder
Paste a JSON Web Token to read its header and payload as formatted JSON, with iat, nbf and exp turned into dates. The token is decoded in your browser.
- Runs locally
- Paste a token
- Read header and payload
- Check the dates
- Free
- No sign-up
- Runs in your browser
- No watermark
- iat · 1767225600 · 2026-01-01T00:00:00.000Z
- exp · 1798761600 · 2027-01-01T00:00:00.000Z
The signature is shown but not verified. Decoding happens in this tab; do not paste production secrets into any website.
This tool runs in this browser tab and does not ask for an account. What you enter is not sent to PoYo.
Use cases
Where it helps
Quick answers
Open the page and get a result without installing an app.
Any computer
It works in a current browser on Windows, macOS, Linux or ChromeOS.
Nothing to clean up
Close the tab when you are done. PoYo keeps no copy.
Three steps
How to use Free JWT Decoder
Paste a token
With or without the Bearer prefix.
Read header and payload
Shown as formatted JSON.
Check the dates
iat, nbf and exp are converted to readable time.
Features
What this tool includes
Runs locally
This tool runs in this browser tab and does not ask for an account. What you enter is not sent to PoYo.
Paste a token
With or without the Bearer prefix.
Read header and payload
Shown as formatted JSON.
Check the dates
iat, nbf and exp are converted to readable time.
PoYo
Need a new image or video?
These free tools work on files you already have. To create an image, video or audio from a description, open a PoYo generator.
Free JWT Decoder FAQ
Do I need an account?
No. Open the page and use it.
Is what I enter sent anywhere?
This tool runs in this browser tab and does not ask for an account. What you enter is not sent to PoYo.
Does it cost anything?
No. It is free and does not use PoYo credits.
Can I use it on my phone?
Yes, in a current mobile browser. Tools that need a physical keyboard or mouse are easier on a computer.
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Paste a JSON Web Token to read its header and payload as formatted JSON, with iat, nbf and exp turned into dates. The token is decoded in your browser.