CSV cleaner

Paste your CSV or upload a .csv file, pick what to clean, then download the tidy result. Quoted fields and commas inside cells are handled correctly. Nothing is uploaded.

Your CSV

What to clean Trim whitespace around every cell Collapse repeated spaces inside cells Remove fully-empty rows Remove fully-empty columns Remove duplicate rows

Everything runs in your browser — nothing is uploaded.

How it works

STEP 1

Add your CSV

Paste the text or upload a .csv file. Commas, quotes and line breaks inside cells are parsed correctly.

STEP 2

Choose the fixes

Trim cells, collapse extra spaces, drop empty rows or columns, and remove duplicate rows — any mix.

STEP 3

Preview & download

See the row and column counts before and after, check the preview, then download the clean file. Nothing leaves your device.