Does this extract ZIP files?

No. It reads ZIP metadata only and does not extract, execute, or upload archive contents.

What risks does it flag?

It flags encrypted entries, ZIP64 fields, absolute paths, and path traversal names such as ../file.txt.

Private file utility

Inspect ZIP metadata, compression methods, encrypted entries, and risky paths locally.

Files are processed in your browser. They are not uploaded to this site.

Choose files

ZIP, X-ZIP-COMPRESSED or drag and drop them here

Local limits: Max single file: 250 MB