CSV Diff (ID-Based)
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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.