Duplicate File Finder
Find matching SHA-256 content hashes among selected local files, without uploading or changing them.
Choose 2–20 files with a combined size of at most 20 MiB.
Only selected files are compared, one at a time, using SHA-256 and byte length. Different names may match; identical names may differ. Empty files are supported. This detects byte-identical content, not similar pictures, text, or filenames. Directories are not scanned.
Files stay in your browser. This report never deletes or moves files. Hash equality is strong evidence of identical bytes, but is not a mathematical guarantee or a safety check.
A QUICK WALKTHROUGH
How to use this tool
- Choose 2–20 files with a combined size of at most 20 MiB.
- Select individual files, then find duplicates and review the report.
Report
Only selected files are compared, one at a time, using SHA-256 and byte length. Different names may match; identical names may differ. Empty files are supported. This detects byte-identical content, not similar pictures, text, or filenames. Directories are not scanned.
Choose 2–20 files with a combined size of at most 20 MiB.
Files stay in your browser. This report never deletes or moves files. Hash equality is strong evidence of identical bytes, but is not a mathematical guarantee or a safety check.
GOOD TO KNOW
Common questions
What does the report compare?
Only selected files are compared, one at a time, using SHA-256 and byte length. Different names may match; identical names may differ. Empty files are supported. This detects byte-identical content, not similar pictures, text, or filenames. Directories are not scanned.