Remove Extra CSV Commas

Clean up messy CSV files instantly with the Remove Extra CSV Commas tool. Strip trailing delimiters, align rows, and get well-formed CSV output fast.

Paste your input above or import a file below.
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Supported file types: .csv, .txt, .tsv, .log, .json, .xml, .html, .htm, .md, .yaml, .yml, .ini, .css
Total characters: 0
Options
Preserve header length
Trim values
Maximize output

How to Use:

  • Paste your CSV content into the Input CSV box or import a file using the Choose File button.
  • The tool supports .csv, .txt, .tsv, .log, .json, .xml, .md, .html, .yaml, .yml, .ini, and .css files.
  • The output updates live as you type or load a file.
  • Use the toggle Preserve header length to match all rows to the column count of the header row. This ensures extra trailing commas are removed only beyond the expected number of columns.
  • Use Trim values to automatically remove surrounding spaces from each field.
  • Turn on Maximize output to expand the output area for easier viewing.
  • Click Copy Output to copy the result or Export to File to download a .csv file.
  • Click Clear All to reset the tool, remove any uploaded file, and clear both boxes.

What Remove Extra CSV Commas can do:

Remove Extra CSV Commas makes it painless to fix broken or inconsistent CSVs. If you’ve ever dealt with files that had trailing commas on each line, this tool normalizes them based on your header row. You can trim whitespace, keep or drop extra fields, and instantly clean the output. It also works great with pasted data from spreadsheets where exported rows sometimes include leftover empty columns. The tool updates live, flashes when refreshed, and provides a total character count so you know how big the final file is. Whether you’re prepping data for import or just cleaning up exports, it helps you get neat, predictable CSV every time.

Example:

Before:

Name,Age,City,,
Alice,30,New York,,
Bob,27,London,,
Charlie,33,Sydney,,

After (with preserve header):

Name,Age,City
Alice,30,New York
Bob,27,London
Charlie,33,Sydney

Common Use Cases:

If you’re working with exported data from forms, databases, or spreadsheets that leave empty trailing cells, this tool makes cleanup instant. It’s perfect for preparing cleaner imports into SQL, Excel, or analytics software. You’ll save time debugging broken CSVs or reformatting manually.

Useful Tools & Suggestions:

Validate CSV is a solid first step to spot where those extra commas are throwing things off. And after cleanup, Trim CSV Columns can help tidy up any weird leftover spacing.

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