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Compare CSV tables

Match rows by a unique key and report added rows, removed rows and changed cells as JSON.

How it works

Paste the earlier table in the first field and the later table in the second.
Choose the shared delimiter and enter the unique key column name.
Run the comparison and inspect the JSON report.

Related tools

Compare JSON

Compare two JSON values and report added, removed and changed paths.

Join CSV tables by key

Attach columns from a second CSV table using a shared key column.

CSV to JSON

Convert a CSV table with headers into an array of JSON objects.