All activity
Florin Dragotaleft a comment
Hey Product Hunt 👋 I built this tool because I had to compare two massive CSV dumps with millions of rows of user data a while back. I couldn’t find a suitable UI tool. Excel would crash, and cloud tools were out of the question because the data was sensitive. So I resorted to CLI commands — slow and error-prone. Took me hours to ensure the data was correct. This tool is optimized for large CSV...
Lake3Tools CSV Compare desktop appCompare CSV files with 10s of millions of rows in seconds.
Compare massive CSV files in seconds, even with mismatched or missing headers. No cloud uploads, accounts, or subscriptions. Lifetime license with no artificial limits — your data stays fully local. Handles tens of millions of rows with a simple, user-friendly interface. Just download, unzip, and run.
Free 3-day trial included — no card required.
Lake3Tools CSV Compare desktop appCompare CSV files with 10s of millions of rows in seconds.