Computer Tools
Duplicate File Finder - Local Exact Match Scanner
Find exact duplicate files by comparing local SHA-256 hashes in your browser. No upload required.
Local duplicate scan
Duplicate File Finder
Select multiple files and find exact duplicates by SHA-256 hash. Files stay in your browser.
Select files from one or more folders. Exact hash matching is slower but more reliable than filename matching.
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How this duplicate file finder works
Select multiple files from your computer or phone.
The tool calculates a SHA-256 hash for each file locally.
Files with the same size and hash are grouped as exact duplicates.
Frequently Asked Questions
Can it scan my whole hard drive automatically?
No. Browsers only allow access to files you manually select.
Does it delete duplicate files?
No. It only reports duplicate groups so you can decide what to remove yourself.
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