See inside the token
Decode the header and payload to read the claims, scopes, and audience a token is carrying.
Decode a JWT header, payload, and claims.
JWT cracks a token open right on your Mac so you can read its header, payload, claims, and expiry without pasting a credential into some website that promises not to log it. Inspect, debug, move on.
Start the 14-day trial in the app. No payment method is required to try Foldout.
Use Foldout only with files, content, hosts, tokens, systems, or accounts you own or are authorized to inspect or process.
Processes on your MacTool work stays inside the local app.
Signed and notarizedBuilt for Apple Silicon Macs.
No usage trackingFoldout does not track what you do in the app.
Paddle checkoutPaddle shows price, tax, and terms before purchase.
What it does
Read what is inside a token without sending it anywhere.
Decode the header and payload locally.
Read claims, scopes, and timestamps.
Check expiry and issued-at at a glance.
Never paste a token into a website.
Detailed capabilities
What JWT covers.
Concrete features, inputs, and workflow details for this tool.
Catch the timing issues
Expiry and issued-at are laid out clearly, so an 'expired token' bug is obvious in seconds.
Private by default
Tokens are decoded on your Mac and never sent anywhere, so you can safely inspect real credentials.
How to use it
From opening the tool to saving the result.
- 01
Paste a JWT.
- 02
Review decoded header and payload.
- 03
Check claim details.
- 04
Copy only the information you need.
Questions
Before you try JWT
Does it verify signatures?
This tool focuses on decoding and inspecting token contents.
Related tools