Inspect
Find Duplicate Files in ZIP
Upload a ZIP and find files that appear more than once — either with the same name or the same size. Review the duplicates, choose which copies to remove, and download a cleaned ZIP without the redundant files.
Browser — runs in your browser, no uploadZIP
Input formats
ZIP
Output formats
ZIP
Common uses
- Clean up a large project archive
- Find accidentally duplicated files in a backup
- Reduce archive size by removing redundant files
- Audit a ZIP before client delivery
Limitations
- Duplicate detection is based on filename and file size. Two different files that happen to be the same size may appear as duplicates.
- Content-level hashing for exact duplicate detection requires more processing time.
Frequently asked questions
Files with the same filename are shown as name duplicates. Files with the same size are flagged as possible content duplicates. You decide which to remove.
Your original ZIP is never modified. Re-upload to start again.