Spreadsheet Diff: compare two spreadsheets and see what changed

How to compare two spreadsheets

1. 1

   Upload your original file and your updated file, in CSV or Excel.

2. 2

   Choose the column that identifies each row, for example an ID or an email.

3. 3

   See every added, removed, and changed row, with the exact cells that changed.

What you can compare

Need to find what changed between two spreadsheets? Compare two CSV files, two Excel files, or one of each, and see what changed between two versions in seconds. Common cases:

• Two versions of an inventory or price list.
• A contact or email list before and after a cleanup.
• This month's export against last month's.
• A colleague's edited copy against your original.
• Two CSV exports from different systems.

FAQ

Is this spreadsheet diff tool free?

Yes. Compare Excel files and CSV files free, with no signup.

Are my files uploaded anywhere?

No. Everything runs in your browser and your files are never sent to a server.

Which file types can I compare?

CSV files and Excel .xlsx workbooks, reading the first sheet.

Can it compare two Excel files?

Yes. Compare two Excel files, two CSV files, or one of each.

How does it decide which rows match?

By a column you pick, such as an ID, email, or SKU, or by row order if your files share no identifier.

Is there a file size limit?

Yes, 20 MB per file.

Does it work on my phone?

Yes. It works in any modern browser on phones, tablets, and desktops.