Compare exports, without false alarms.
Careful guides to comparing CSV files, Excel sheets and lists: what to use, where each method breaks, and how to get the same answer every month. Every function links to its documentation.
How to compare two Excel sheets for differences
Highlight changed cells, find missing rows and changed values, and avoid thousands of false differences when rows move.
How to compare two lists in Excel and find what's missing
Values in one list but not the other, in both directions – XMATCH, COUNTIF, FILTER and highlighting.
How to compare two CSV files and find the differences
Four methods: Excel, Python pandas, the command line and a free browser tool.
Compare two files now
Drop two CSV exports, pick the key column and see every added, removed and changed row. Nothing is uploaded.