available
Developer Tools
Base64 Encoder and Decoder
Encode UTF-8 text or decode Base64 and Base64URL safely.
Browser processing
Developer ToolsAvailable
JWT Decoder and Claim Inspector
Decode JWT headers and claims, then check common time and algorithm warnings.
JWT decoding stays in browser memory.
Loading the local security workspace…
What JWT Decoder and Claim Inspector does
Inspect a compact JSON Web Token locally, format its header and payload, translate registered time claims and flag expiration, activation and unsigned-token concerns without pretending to verify its signature.
Privacy and processing
JWT decoding stays in browser memory. Entered values remain in the current page session and are not included in analytics or monitoring.
How to use JWT Decoder and Claim Inspector
- 1Paste a compact three-segment JWT or load the safe example.
- 2Inspect decoded header, payload and registered claims.
- 3Review warnings while remembering that decoding does not verify a signature.
Common uses
- Debugging authentication claims
- Reading token expiry and activation times
- Spotting an accidentally unsigned token
Limitations
- The tool does not verify signatures, issuers or audiences and cannot establish token authenticity.
- A decoded token may still be invalid, revoked or unsafe to trust.
Frequently asked questions
Does a decoded JWT count as verified?
No. Anyone can encode a header and payload. Verification requires the expected algorithm, trusted key and application-specific issuer and audience rules.
Is my token uploaded?
No. The compact token is decoded locally and is not sent to PipFoxy.
Related tools
More developer toolsavailable
Developer Tools
JSON Formatter and Validator
Validate, pretty-print, minify and sort JSON with useful errors.
Browser processingLocal file input
available
Developer Tools
Secret Scanner and Redactor
Find common exposed credentials and create a reviewable redacted copy locally.
Browser processing
Related guides
Browse all practical guidesDeveloper Tools
How to format and validate JSON
Learn the difference between valid and readable JSON, decode common parser errors, and handle configuration data safely.
Updated 5 min read
Developer Tools
How to convert CSV to JSON safely
Convert tabular data without breaking quoted fields, losing headers, or silently changing important values.
Updated 4 min read
Developer Tools
How to convert JSON to CSV
Turn arrays of JSON objects into dependable tabular exports while handling columns, nested values, quoting and spreadsheet risks.
Updated 5 min read