What does MIME Inspector do?

Compares extension and signature hints to identify potential type mismatches.

Does this run in the browser or on the server?

The utility logic runs in-browser for immediate analysis workflows.

Use outputs as QA evidence, then convert repeated checks into CI validations and runbooks.

Compares extension inference and first-byte signature hints.

Select file

Input: renamed archive file `report.png` with ZIP signature bytes.

Expected output: extension suggests .png while signature hint shows ZIP / Office Open XML container.

Action: treat as type mismatch and route to quarantine/validation pipeline.