CSV Compare

Compare two CSV files and find added, removed, and changed rows.

  • Upload or paste CSV data
  • Match columns by name or position
  • Highlight differences row by row
  • Export diff report as CSV
  • Handle large files efficiently
Rows Added
Rows Removed
Rows Changed
Unchanged
Status

How It Works

1

Paste Your Data

Enter your lists or text into the input areas. One item per line for lists.

2

Click Compare

Hit the compare button and get instant results. Processing happens in your browser.

3

Export Results

Copy to clipboard or download results as CSV/TXT for further use.

CSV Comparison Use Cases

Data Exports

Compare database exports to identify what changed between backups or snapshots.

Price List Updates

Compare product catalogs to find price changes, new items, or discontinued products.

Contact Lists

Find new, updated, or deleted contacts between CRM exports.

Inventory Sync

Compare inventory data from different systems to find discrepancies.

Frequently Asked Questions

Upload or paste your CSV data into both input areas, configure the comparison options, and click Compare. Differences will be highlighted row by row.

Yes, all processing happens in your browser. Your data never leaves your device and is never uploaded to any server.

Yes, our tool can handle files with thousands of rows efficiently since all processing happens locally in your browser.

100% Private - Runs in Your Browser