Compare CSV Datasets Instantly
Privacy-first CSV difference engine. Everything runs 100% inside your browser.
● Before Snapshot
● After Snapshot
🔒 Files stay strictly local. No cloud storage or remote servers used.
How it works
1
Upload Datasets
Select your original and modified CSV files directly in your browser.
2
Auto-Match Keys
The algorithm automatically identifies primary keys and diffs field-by-field.
3
Inspect Diffs
Instantly audit added, removed, modified, and unchanged records.
Simple, transparent pricing
One-time lifetime payment. Zero subscriptions, zero recurring charges. Covered by our 30-day hassle-free refund policy.
Free Starter
$0 forever
Perfect for basic single-file spreadsheet audits.
- ✓ Up to 500 rows per dataset
- ✓ 100% local browser engine
- ✓ Auto primary key detection
- ✕ Multi-file snapshot consolidation
- ✕ Export CSV diff audit reports
🚀 Launch Deal
Pro Lifetime
$7
Launch price · Regular price $10
One-time
For enterprise analysts and developers handling massive datasets.
- ✓ Unlimited rows per dataset
- ✓ Multi-file CSV merging & consolidation
- ✓ Export complete diff audit reports
- ✓ Manual primary key override capability
- ✓ Up to 3 active devices simultaneously
- ✓ Lifetime license with all future updates
🔒 Secure checkout by Paddle · 30-day refund guarantee
🛡️ Privacy First
- ✓ Your CSV files never leave your computer.
- ✓ No cloud processing.
- ✓ No account required.
- ✓ One-time purchase.
- ✓ Premium unlocked with a license key (up to 3 active devices).
We collect basic, anonymous operational metrics to improve CSV Compare, but we never collect, upload, or analyze your data.