Free · No signup · Runs in your browser
Merge CSV columns intoone clean field
Pick the columns, choose a separator, name the result. The merged column drops into place — no formulas, no spreadsheet, no upload.
Pick the columns, choose a separator, name the result. The merged column drops into place — no formulas, no spreadsheet, no upload.
Combine columns like first and last name, or street and city, into one field. Blank cells are skipped so you never get stray separators.
Tick the columns you want to combine. They merge in the order you pick, so order matters for things like first then last name.
Type the text that goes between values — a space, a comma, a dash, or anything else — and name the new column.
The merged column replaces the originals in place, or keep them alongside it. Download clean RFC-4180 CSV instantly.
Joining columns is a one-line job that spreadsheets turn into a fragile CONCAT formula. This does it directly on the file.
Skip CONCATENATE, TEXTJOIN, and dragging fills down a million rows. Select columns and a separator — done.
Empty cells are dropped from the join, so you never get a trailing comma or a double space where a value was missing.
Columns merge in the exact order you select them, so first-then-last or street-then-city comes out right.
Everything runs client-side in your browser. Your CSV is never uploaded, logged, or sent anywhere.