Spreadsheet Compare Tools

CSV Diff

Compare two CSV, TSV, or delimited tables: detect headers and delimiters, match rows by key columns or position, and report added, removed, and changed rows and cells with a summary, detailed before/after views, and export.

A: id,name,city

1,Alice,London

B: id,name,city

1,Alice,Berlin

row id=1 changed

city: London → Berlin

diff report

Spreadsheet Diff

Compare two spreadsheet workbooks (.xlsx, .xlsm, .xls, .xlsb, .ods) sheet by sheet: match sheets by name, compare dimensions, headers, formulas, and displayed values, and optionally cell formatting, with key-column or coordinate matching, ignore rules, visual highlighting, and export.

old.xlsx

new.xlsx

sheets compared

cell values / formulas

diff report