JWT Expiration Checker
See token expiry date and remaining time — locally in your browser.
Tool
Paste your input and get output instantly. Everything stays in your browser.
Expiration (exp)
—
Remaining
—
Issued at (iat)
—
Status
Ready
✓ Runs locally
✓ No uploads
✓ No tracking
What the tool does
This tool extracts and displays the expiration date and remaining time of a JWT.
When to use it
Ideal for debugging auth issues, session expiry problems, and token refresh logic.
Quick example
Paste a token and instantly see how long it remains valid.
Security / privacy
JWTs are processed locally only. Safe for production tokens.