Diff by content, not by date
Two sides.
One honest report.
FolderManifest compares files or whole folder trees by SHA-256 content — every changed, missing, and identical file in one interactive report you can review before anything moves.
Free 7-day trial · No credit card · Windows, macOS & Linux
0
compared
0
identical
0
differences
100%
content-verified
Content-level
SHA-256 hashing — timestamps and names can’t fool it
Whole trees
recurse folders and see every difference at once
Review first
an interactive report before anything is moved or synced
Scriptable
CLI with stable exit codes and JSON output
Where comparison pays off
“They look the same” isn’t verification.
Timestamps drift, names match with different contents, and copy dialogs report success on truncated files. Content comparison removes the doubt.
01 / CLIENT HANDOFF
“Did you get everything?”
Deliver a folder, send the comparison report with it. The client sees exactly which files arrived identical — and you both stop guessing.
02 / BACKUP CHECKS
Is the mirror really clean?
Backup tools claim success; bit-rot and interrupted runs say otherwise. Compare source against backup by content and know.
03 / MIGRATIONS
Before you delete the old server
Migrated the file share? Verify the new location matches the old one file-for-file — then decommission with confidence.
How it works
Hash both sides. See everything.
1
Pick two sides
Choose file vs file or folder vs folder — local disks, USB, NAS, mounted cloud drives.
2
Hash and diff
Both sides are hashed; missing, changed, added, and identical files are grouped into one interactive report.
3
Review the truth
Drill into any difference, export the report as HTML or CSV, and decide what happens next.
847 files identical
checksums match on both sides
1 changed — contract_v2.pdf
different content under the same name
1 missing — field_data.csv
exists on one side only, named in report
The report is the deliverable
Compare once.
Attach the proof.
The comparison report is shareable HTML — open it in any browser, drill into any row, send it with the handoff. Reviewers install nothing; arguments end.
hash both sides · diff · reportOne license · Everything included
$39 once
The comparison tool ships inside FolderManifest. No subscription, no upsells.
- File & folder comparison by content
- Interactive diff reports (HTML/CSV)
- Integrity monitoring & drift alerts
- Duplicate finder with one-click undo
- CLI for scripts, schedulers & agents
30-day money-back guarantee · All features unlocked in trial
Questions
Before you compare
What does FolderManifest compare?
Two files or two entire folder trees, side by side. Every file is hashed, so the comparison reflects actual content — not timestamps, names, or sizes alone.
How is it different from a sync tool?
Sync tools copy — they assume you want destination to match source. FolderManifest first shows you the truth: what differs, what’s missing, what changed, with a report you can review before anything moves.
Can I compare files with different names?
Yes. Comparison is by relative path and content. Renamed-but-identical files surface clearly, and same-name-different-content files are flagged by checksum mismatch.
Does it handle large folders?
Yes. Multi-threaded hashing with size-first shortcuts keeps typical project, client, and backup folders fast — thousands of files compare in seconds to minutes.
Can I try file comparison free in the browser?
Yes — Compare Files Online checks any two files for byte-exact equality with SHA-256, and Folder Compare Online diffs two folder uploads. Both free, no install, no sign-up.
Is the comparison tool included in the trial?
Yes. The seven-day full-access trial includes compare, integrity monitoring, duplicate finding, Safe Archive, and the CLI. One $39 lifetime license keeps everything.
Related
Related guides & free tools
Run a comparison in your browser right now, or go deeper on diff workflows.
See what really differs
Stop guessing. Start verifying.
Compare files or entire trees by content and get a report that settles the question — byte for byte.
No credit card · $39 once after · 30-day money-back