Converters

Compare Two CSV Files

Find rows that appear in only one of two CSV datasets.

Rows are matched exactly; it does not detect a changed cell within the same record.

Converters

Compare Two CSV Files

Local only
Everything stays in your browser

Your text is processed on your device — nothing is uploaded to a server.

How it works

Compares whole rows (order does not matter) and lists rows unique to each side. Rows are matched exactly; it does not detect a changed cell within the same record.

Good to know

Frequently asked questions

How do I use it?

Enter your csv a, adjust the options and press “Compare”. Check the result, then copy or download it.

How does it work?

Compares whole rows (order does not matter) and lists rows unique to each side.

Are there limitations?

Rows are matched exactly; it does not detect a changed cell within the same record.

Is my data uploaded?

No. Everything is processed in your browser and nothing is sent to a server. No account is needed.