Contact Support
Have a question, found a bug or want to suggest a feature? Reach out and we will get back to you.
Email Us
The fastest way to reach the team is email: support.freeutilityhub@gmail.com. The contact form on this page opens your email client with a prefilled message.
What to Include
- Which tool you were using (for example JWT Decoder or Signature Verifier)
- What you expected to happen and what happened instead
- Your browser and device, if the issue looks technical
- Never include real production tokens or secrets in your message
Email: support.freeutilityhub@gmail.com
JWT Tools
- JWT DecoderDecode JWT tokens to view header and payload
- JWT InspectorComprehensive analysis of JWT token structure and claims
- JWT Expiry CheckerCheck if JWT token is expired and view time remaining
- JWT Signature VerifierVerify JWT signature with secret or public key
- JWT Claims ViewerView all JWT claims in a tree-style format
- JWT Header ViewerDisplay JWT header information only
- JWT Payload FormatterPretty print JWT payload with proper indentation
- JWT Timestamp ConverterConvert JWT timestamps to readable dates
- JWT Lifetime CalculatorCalculate JWT token lifetime duration
- JWT Audience ValidatorValidate JWT audience claim against expected value
- JWT Secret Strength CheckerAnalyze JWT secret strength and security
- Base64URL DecoderDecode Base64URL encoded strings