CSV Tools

Remove Comments

Remove comment lines from your CSV

CSV Input

Try a sample:

CSV Output

CSV without comments will appear here...

Options

CSV Format

Input

How to Use This Tool

Remove comment lines from your CSV file. Lines starting with the comment symbol (default #) are filtered out. This is useful for cleaning up data files that contain commented-out rows or metadata lines.

  1. Provide your CSV — Paste CSV text into the input area, drop a CSV file onto the File tab, or enter a URL on the URL tab.
  2. Configure the comment symbol — The default is #. Change it in the Options panel if your file uses a different comment prefix.
  3. Get your output — Copy the cleaned CSV to your clipboard or save it as a .csv file.

FAQ

3 questions
Does this tool upload my data?
No. It runs entirely in your browser using JavaScript. Your CSV data is never sent to a server.
What counts as a comment line?
Any row where the first cell starts with the comment symbol (default #) is treated as a comment and removed.
Can I change the comment symbol?
Yes. You can change the comment symbol in the Options panel. Common alternatives include // and ;.

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