Token timestamps and expiry. 100% client-side.
JWT Expiry Calculator: Token timestamps and expiry. Saves the context switch to a terminal or script for a task that comes up regularly. Everything happens in the browser tab. No uploads, no telemetry, no data leaves your machine. A free JWT tool on HttpStatus.com — no installation needed.
Yes — JWT Expiry Calculator works on any modern mobile browser. The interface adapts to smaller screens.
JWT Expiry Calculator accepts the format specified in its description. Paste or type your input directly.
Use the feedback option on HttpStatus.com. Include specific input examples to help reproduce the issue.
Many tools support shareable links. Look for the share button after processing your input.