Original / primary
No folder selected
// folder reconciliation utility
Know which folders
are truly the same.
Compare backups, old drives, and photo dumps by their actual contents—not just names or dates. Every byte stays on this device.
01 / SELECT
Choose the folders to inspect
Choose A alone to find duplicates inside one tree, or add B to compare two trees.
Backup / candidate
Optional for a one-root scan
No upload. No account. No tracking.
Reading folder names…0 / 0
Preparing local scanner
02 / REVIEW
Comparison result
IDENTICAL
These folder trees match exactly.
Names, paths, sizes, and content hashes all agree.
SAFETY MODEL
Proof before cleanup.
Mirrorbyte builds a fingerprint for every file, then rolls those fingerprints into each parent folder. A folder is called a duplicate only when the complete structure and contents match.
- 01Discover
Read names and sizes from the folders you choose.
- 02Hash locally
Workers compute SHA-256 fingerprints without uploading.
- 03Review & quarantine
Export proof, or copy duplicates to a reversible holding folder.