Compare two CSV or TSV tables and find all cell-level differences.
See exactly what was added,
removed, or
changed — displayed in a visual grid.
Also: JSON ↔ CSV/TSV | JSON Compare | XML Compare.
All processing happens locally in your browser — your data is never uploaded to any server.
Format:
Table A (Original)
Table B (Modified)
Differences
Enter two tables above and click Compare to see the differences.
How to use: Paste your original table in the left textarea (Table A) and the modified version in the right textarea (Table B). Select CSV or TSV format and click Compare.
Cell colors:Green = added in B, Red = removed from A, Yellow = value changed.
Header comparison: When enabled, columns are matched by header name across tables. When disabled, columns are compared by position.
Tip: The first row is treated as the header row by default. Uncheck "First row is header" if your data has no header.
Table compare — cells, not characters
A plain text diff flags every re-quoted field and reflowed line as a change. Table-level comparison parses both files first, then compares cell by cell, so formatting differences — quoting style, line endings, trailing spaces — do not count as differences. Match columns by header name when column order may differ between the two tables, or by position when both share the same layout.
🔷 Diff Summary
Paste two tables and click Compare to see statistics.
