Validate OAuth state parameters for format, length, and age. Everything runs locally in your browser — nothing is uploaded.
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OAuth State Validator lets you validate OAuth state parameters for format, length, and age. Everything runs locally in your browser — nothing is uploaded.. It works on any device with a modern web browser.
Validate OAuth state parameters for format, length, and age. Everything runs locally in your browser — nothing is uploaded. It runs entirely in your browser — no software installation or data uploads required.
Paste or type your content directly into the provided text area.
Yes. After the initial page load, OAuth State Validator runs entirely on your device with no internet connection needed. All processing is done locally.
The OAuth state parameter prevents CSRF attacks by ensuring the authorization response matches your original request. It must be unpredictable and tied to the user's session.
A valid state is a cryptographically random string (at least 32 characters), properly encoded for URL use, and not expired. It should be stored server-side for verification.
Yes. Enter the state and its creation timestamp. The tool calculates the age and checks against configurable expiration thresholds (default 10 minutes).
Yes. Checks for minimum length (32 chars), URL-safe characters only, and no whitespace. Flags weak or predictable state values.
No. All validation happens locally in your browser. No state data is transmitted to any server.