File Metadata Inspector

Inspect detailed local file properties without uploading. Detects exact byte counts, MIME types, last modified dates, magic bytes header signatures, and media dimensions for audio/video/images.

Drop any file to inspect technical metadata

Reads byte counts, MIME types, magic headers, and media specs locally

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How it works

Select or drop any file.
The inspector reads the file header magic bytes and OS metadata properties.
View comprehensive technical file attributes in a clean table.

Privacy & Processing Information

Your files stay on your device. Metadata is read via the File API locally.

No account, tracking, or file storage required.

Frequently Asked Questions

What are magic bytes?

Magic bytes are the first few bytes of a file that uniquely identify its true file format, regardless of its file extension.

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