Merge and dedupe lists.

Paste two or more lists, or upload CSVs. Exact duplicates are removed instantly in your browser. Near-matches like Jon Smith and John Smith are flagged so you can resolve each with one tap. Free up to 5,000 rows per file.

list 1

list 2

Parsing, normalising, exact deduplication and export all run in your browser. The only thing that ever leaves it is the short list of ambiguous near-match pairs, if you choose to ask the AI. Nothing is stored on the server and pair contents are never logged.