CSV Cleaner — Trim & Fix CSV Files

Paste CSV data to trim whitespace, remove empty rows, and fix line endings. Copy the cleaned output.

How to use

  1. Paste your CSV data in the input box.
  2. Cleaned output updates automatically.
  3. Click Copy to copy the cleaned CSV.

Frequently asked questions

What does the CSV cleaner fix?

Trims leading/trailing whitespace from cells, removes empty rows, and normalizes line endings.

Does it change the delimiter?

No. The delimiter structure is preserved. Only whitespace and empty rows are cleaned.

Can I clean large CSV files?

Yes, within browser memory limits. Very large files may be slow but stay local.

Is my CSV sent to a server?

No. Cleaning happens entirely in your browser.

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