Free tool

Image Format Inspector

Detect the real file format from image headers.

Header checkInstantNo uploads
  • 100% Free to use
  • No credit card required
  • Works offline in your browser

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Why it helps

Verify file types

Check if a file extension matches the real format.

Fast results

Reads file headers locally for privacy.

Image

Image format inspector

Header check

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FAQ

Quick answers about this tool.

Is this private?

Yes. All processing happens in your browser.

Do I need an account?

No. These tools are free and work without signup.

Can I use multiple files?

Yes. Most tools support batch processing.

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