ΔCSV

CSV Diff

Row-level CSV difference.

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Diff two CSVs by row (optional key columns). Shows only-A / only-B / common.

Key columnsHeader row

CSV A

CSV B

onlyA: 1
onlyB: 1
common: 2
--- only A ---
3,Carol
--- only B ---
4,Dave

Über CSV Diff

Row-level diff of two CSVs (optional keys). Everything runs in your browser.

Free?

Yes.

Uploaded?

No.