CSV Diff (ID-Based)

AddedRemovedModified
Status

About this tool

Compare two CSV files using a primary key column. See added, removed, and modified rows.

What it does

  • Compares two CSV files by a chosen primary key column.
  • Highlights added/removed/modified rows.

How to use

  • Upload CSV A and CSV B.
  • Enter the key column (e.g. id).
  • Click Compare CSVs.

FAQ

Does it upload my CSV to a server?
CSV parsing and diffing runs in your browser.
What should I use as a key column?
Choose a column that uniquely identifies each row, like id or email.
Can I export results?
Currently results are displayed on-screen; exporting can be added later.