Encoding Inspector
Detect Base64, hashes, UUIDs, JWT-looking strings, URL encoding, and show safe decoding attempts.
Encoding Inspector helps developers understand mysterious values from logs, headers, query strings, and payloads without rendering pasted content as HTML.
What is Encoding Inspector?
Encoding Inspector helps developers understand mysterious values from logs, headers, query strings, and payloads without rendering pasted content as HTML.
Detect Base64, hashes, UUIDs, JWT-looking strings, URL encoding, and show safe decoding attempts.
How to use Encoding Inspector?
Step 1
Try the included example input, then replace it with a redacted sample from the system you are debugging.
Step 2
Paste the suspicious encoded value.
Step 3
Review detected formats and safe decoding attempts.
Step 4
Move to a dedicated JWT, Base64, or URL tool when deeper inspection is needed.
Example input / output
Use Encoding Inspector to inspect a representative sample, confirm the result and continue to a related validation, conversion or comparison step if needed.
Compare the generated output with the included expected result and check that meaningful values were preserved.
Example input
eyJzdWIiOiIxMjMiLCJyb2xlIjoiYWRtaW4ifQ==Example output
Detected format hints, Base64/URL decoding attempts, and safe rendering notes.Practical developer examples
Check a copied value
Use Encoding Inspector on a small, redacted sample from a request, response, Log, test fixture or configuration file. Compare the result with the source before reusing it.
Document the result
Include the relevant input, selected action, output and expected behavior in a ticket or code review so another developer can reproduce the same check.
Common developer use cases
Encoding Inspector handles a focused transformation or inspection in the browser so you can answer one debugging question without creating a temporary script or project file.
Common issues
FAQ
Does Encoding Inspector send data to a server?
The interactive transformation is handled in the browser in this frontend build. Analytics and advertising scripts may still load separately for site measurement or ads readiness, so avoid pasting active secrets or regulated personal data.
What input works best in encoding inspector?
Paste raw encoded strings directly into the input area or use the example button for a quick starting point.
Can I share Encoding Inspector output with teammates?
Yes, but review the result first and redact tokens, private keys, customer data, internal URLs, account IDs, and other sensitive values before sending it in a ticket, chat, or pull request.