CSV Diff Tool
An online tool to quickly find differences between two CSV files. No installation, no plugins.
The problem
Command-line CSV diff tools are powerful but not intuitive. They require technical skills and don't produce easily shareable output.
The solution
Replay offers an intuitive web interface to diff your CSV files. Upload the files, select the key column and get differences in a clear, shareable format.
Key Features
Intuitive web interface, no software to install
Supports files up to 100,000 rows and 100 columns
Key column-based diff for precise comparison
Shareable PDF report with difference summary
How it works
Upload the original file as baseline
Upload the new version
View the differences and download the PDF report
Try it for free
Start with the free demo — no sign-up required. Or create an account to save versions and track changes over time.