Digital Solutions Tools

Security & Privacy / Inspect token

JWT Inspector

Inspect token structure, headers, claims and expiration locally.

Your input is processed in this browser tab. It is not sent to our server or saved by this app.

01 Your input

Limit: 200,000 UTF-8 bytes; operation-specific limits apply.

Upload a text file

Loading tool…

02 Your result

BROWSER ONLY

Your result will appear here.

Ready when you are.

Add your input and run the tool.
Your result will appear here.

How to use it

  1. Enter your input, or load an example to try the tool.
  2. Press the primary action. Ctrl+Enter also runs the tool.
  3. Copy or download the result.

Good to know

Decoding does NOT verify a signature, authenticity, authorization or trust.

Need something else? Explore the toolbox →

Developer Tools

Text Encoding Converter

Convert UTF-8 text to Base64, hexadecimal, binary and escaped HTML.

Input Text or UTF-8 file
Output Copy or download the actual result

Base64 encodeBase64 decodeHex encode
Runs in your browserOpen tool
Security & Privacy

Hash Generator

Generate SHA checksums and keyed HMAC digests with Web Crypto.

Input Text or UTF-8 file
Output Copy or download the actual result

SHA-256SHA-512SHA-1 (legacy checksum)
Runs in your browserOpen tool
Web & SEO

HTTP Header Inspector

Inspect pasted headers, cache policy and missing security protections.

Input Text or UTF-8 file
Output Copy or download the actual result

Analyze headers
Runs in your browserOpen tool