Free CSV Tools
Quick, no-nonsense tools to clean and reshape CSV files — a lightweight csv transform for common tasks. Everything runs in your browser; your data is never uploaded and you don't need an account.
Remove Duplicates
Upload a CSV and instantly remove duplicate rows. Choose which columns define a duplicate, or match across every column. Your file never leaves your browser.
Free · No signupRemove Empty Rows
Upload a CSV and strip out every blank row in one click. Perfect for cleaning up exports with scattered empty lines. Everything runs in your browser.
Free · No signupDelete Columns
Upload a CSV and remove the columns you do not need. Select one or many, then download the trimmed file. Your data stays in your browser.
Free · No signupMerge Columns
Upload a CSV and combine several columns into a single column with the separator you choose. Great for building full names or addresses. Runs in your browser.
Free · No signupSplit Column
Upload a CSV and split a single column into multiple columns using any delimiter. Your file is processed in your browser and never uploaded.
Free · No signupTrim Whitespace
Upload a CSV and clean up stray spaces in every cell: leading, trailing, and repeated spaces are all fixed. Runs entirely in your browser.
Free · No signupChange Text Case
Upload a CSV and convert selected columns to uppercase, lowercase, Title Case, or Sentence case. Everything runs in your browser.
Free · No signupNeed AI-powered transformations?
Split messy addresses, clean inconsistent data, reformat with plain English. The Magic CSV app does what simple tools can't.
Try the AI app free