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ZIP Inspector
Lists what a ZIP contains — names, sizes, compression method, encryption flag — by reading only its directory. Nothing is extracted or decompressed, so it is fast and safe for archives you don't trust yet. Sizes are what the archive claims; ZIP64 sizes are marked unknown.
A little guidance. A better result.
How to use ZIP Inspector
List names, sizes and compression of every entry by reading the directory only — nothing extracted.
Prepare your input
Choose a ZIP archive.
Use the workspace
Inspect entry names, reported sizes, methods and encryption flags.
Check your result
Use the listing to understand the archive before opening its contents.
Know the limits
This reads directory information only. It neither extracts files nor scans for malware; ZIP64 sizes can be unknown.
Where does my input go?
This browser tool processes your input on your device. Optional analytics is a separate choice; it is not needed to use the tool. Keep your original until you have checked the result.
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