DataToolsLab
CSV Tools

CSV Formatter

Standardize CSV formatting — delimiters, quoting, and line endings.

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What is CSV Formatter?

Cleans up inconsistently formatted CSV files — normalize delimiters, quoting rules, BOM presence, and cell whitespace.

How it works

Parse CSV with a RFC 4180 parser, then re-serialize with the chosen options (delimiter, quote-all, BOM, trimming).

  1. Paste CSV. Paste CSV data with any formatting.
  2. Choose options. Pick delimiter, quote style, BOM toggle, and cell trimming.
  3. Copy formatted output. The re-formatted CSV appears instantly.

Examples

Semicolon to comma

Convert European semicolon-delimited CSV to comma-delimited.

Common mistakes

Wrong delimiter

Choose the correct input delimiter or the output might be misaligned.

Alternatives

CSV to TSV

For converting between comma and tab delimiters specifically.

Frequently asked questions

Does it handle quoted values with commas?

Yes — the parser respects RFC 4180 quoting rules.

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