JWT Sensitive Claim Auditor

Inspect JSON Web Token (JWT) payloads locally and flag potentially exposed sensitive claims like passwords, secrets, or PII.

How It Works & Processing Standards

Inspect JSON Web Token (JWT) payloads locally and flag potentially exposed sensitive claims like passwords, secrets, or PII.

Your input data is never sent to any server and is securely processed on your device.

Current Limits

  • Maximum input length: 2,000,000 characters

JWT Sensitive Claim Auditor is a 100% free, browser-based online utility. All calculations and file conversions run locally inside your browser (Local-First) without sending data to remote servers, keeping your documents and inputs strictly private.

How to Use JWT Sensitive Claim Auditor

  1. 1
    Paste TokenPaste the JWT string into the editor.
  2. 2
    Inspect ClaimsReview claim counts and flagged sensitive key names.

Common Use Cases

  • Preventing unintentional data leakage in public client JWTs, authentication debugging, and security reviews
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