Compare Two TSV Files

Compare Two TSV Files highlights differences between two tab-separated datasets. Paste or import files side by side, and see exact mismatches by row or cell.

Paste TSV A or import a file below.
No file chosen
Paste TSV B or import a file below.
No file chosen
Total differences: 0
Options
Compare by cell
Maximize output

How to Use:

  • Paste data into both TSV File A and TSV File B boxes, or use Choose File A and Choose File B to import files
  • Enable the Compare by cell toggle to check individual fields, or disable it to compare entire rows as lines
  • Toggle Maximize output to expand the differences view if needed
  • Click Compare to run the diff
  • Use Copy Output to copy the results, or Export to File to save the differences
  • Use Clear All to reset both inputs, the output, and toggles

What Compare Two TSV Files can do:

Compare Two TSV Files gives you a fast, visual way to spot mismatches between two tabular datasets. You can compare field-by-field or whole lines. It flags exactly where values diverge and reports the row and column of each difference. Works instantly as you type or load files, with live output flashing and a real-time counter of total differences. Everything runs locally in your browser no uploads or processing delays.

Example:

File A:

apple	banana	cherry
dog	cat	fish
1	2	3

File B:

apple	banana	cherry
dog	cow	fish
1	2	4

Output:

Row 2, Col 2:	A: cat	B: cow
Row 3, Col 3:	A: 3	B: 4

Common Use Cases:

Use Compare Two TSV Files when validating changes to exported reports, debugging data pipelines, or ensuring input/output alignment in automation. It’s also useful for QA testing and manual data spot-checking.

Useful Tools & Suggestions:

After running Compare Two TSV Files, try Diff Two CSV Files if you’ve got similar comparisons in CSV format. Or switch things up with Merge TSV Files if you’re looking to combine the differences into one clean sheet.

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