MessyMatch
Compare, merge and split messy files in seconds.
What is MessyMatch?
MessyMatch helps you compare messy CSV, Excel, TXT, SQL or flat JSON files side by side (spot missing rows, near-duplicates and formatting mismatches in seconds). Use fuzzy matching to catch almost-identical values that exact comparison misses. Split large files into import-ready parts by row count or column value. Merge multiple sources into one clean output with deduplication and union schema. Everything runs in your browser. No formulas, no scripts, no account needed for small files.
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