PDF Mikata

How to Find a File's Real Type (Extension vs Contents)

Published: Oct 19, 2026 | Updated: Oct 19, 2026 | About (Japanese)

Key points
  • Choose files
  • Read the result table
  • Copy the result if needed

Check a File's Real Type judges the type from the contents, not the extension.

Steps

  1. Tap "Choose files" and select files
  2. Check the detected type and the match
  3. Tap "Copy the result" if needed
Judging happens only on your device.
Use "Check a File's Real Type (Extension vs Contents)" (free)

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