Compare Two CSV files & find Differences

Compare and find difference in 2 .csv files easily for free. Copy/Paste or upload csv files and click on Find Diff button to get the diff.
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Free Online Diff Tool to Compare Two CSV Files

How to compare two CSV files for changes?

Using this free web tool, you can compare any CSV / TSV document easily. Just select first/original file in left window and second/modified file in right window. Your data will automatically be extracted.

Alternatively you can also copy and paste directly into left and right windows.

After that click on Find Difference button to find diff. The Diff data will be highlighted for easy viewability.

What does +++/---/-->/@@/: indicate 🤔?

  • +++ This row has been added in second/modified file.
  • --- This row has been removed in second/modified file.
  • --> Cell value different.
  • : Moved/Reordered row.
  • @@ Header row.
  • ... Unchanged rows/cols have been omitted in between.

csv diff online example

What file formats does this CSV diff tool support?

This tool supports almost any text file with a common delimiter to separate values. Make sure to input correct encoding.

You can also try Excel Diff Tool if this tool does not parse data correctly.

What about my data?

This is a browser based tool. All data extraction/comparison is done in your browser itself. Nothing is uploaded to our server if you are only comparing and export locally.

If want to share results with others you can choose to save result online, you'll be given a unique URL for your result & your result will be viewable to anyone with that unique URL.

Libraries used in this Tool