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Sheet Difference

Drop two versions of the same spreadsheet and see what changed — rows added, rows removed, and which cells moved in the rows that stayed. Matched on a key column, and formatting is ignored. Free, no account, and your files never leave your device.

We store none of your data

Processed in your browser, never uploaded. Money back if it doesn't work — no questions.

Older version

CSV or .xlsx

Newer version

CSV or .xlsx

What Sheet Difference does

Drop two versions of the same spreadsheet and see exactly what changed — rows added, rows removed, and for every row that stayed, which cells moved and what they were before. Rows are matched on a key column you choose, and values compare by meaning, so $1,250.00 against 1250 is not a change. Columns added or dropped between versions are reported too. Runs entirely in your browser; your files never leave your device.

Good for

This month’s price list against last month’s
Checking what a colleague changed in a shared file
Comparing a data export before and after a migration
Auditing edits to a roster, inventory or rate table