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CSV Formatter for VSCode

Paste CSV from logs, exports, or spreadsheets and format it for clean diffs and easier reading in VSCode. This tool auto-detects common delimiters, normalizes quoting/line endings, and can output CSV, TSV, a Markdown table, or an aligned text view.

Related: Online CSV File Generator, CSV Format Checker Online, CSV Formatter C#, CSV Formatter (Python).

Category: Data · URL: /tools/csv-formatter-vscode.html
Output mode
Delimiter (input)
Line endings (output)
Paste CSV/TSV here
Ready to paste into VSCode
Related tools: CSV Checker · CSV Format Checker Online · Online CSV File Generator · CSV Formatter C# · CSV Formatter (Python) · Convert Price Checker · Postgres SQL Checker · SQL Checker for Oracle
Privacy: runs locally in your browser. No uploads, no tracking scripts.

How to use

Use it as a quick “formatter” when a CSV block looks messy in VSCode.

  1. Paste your CSV into CSV input.
  2. Choose Output mode (CSV / TSV / Markdown / Aligned text).
  3. Keep Delimiter on Auto unless you know the delimiter.
  4. Click Format, then Copy to paste back into VSCode.
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Secondary intents covered: Align columns so CSV is readable in a monospaced editor like VSCode, Auto-detect whether the input uses comma, semicolon, tab, or pipe delimiter, Normalize CSV quoting (double-quote escaping) without breaking valid data, Convert CSV to TSV for easier viewing and editing, Convert CSV to a Markdown table for README/docs, Standardize line endings (LF/CRLF) for consistent diffs across OSes, Catch inconsistent column counts and show a clear error, Copy the formatted output back into VSCode quickly

FAQ

How do I make CSV readable in VSCode?

Use Aligned text (VSCode view) to line up columns, then paste the result back into VSCode for quick inspection.

Does this change my CSV values?

In Normalized CSV/TSV mode it preserves values and only adjusts quoting/line endings; Aligned text is for viewing and isn’t intended for re-import.

Can it handle semicolon CSV or tab-delimited files?

Yes—set Delimiter to Auto (or choose ; / Tab / |) and the parser will format accordingly.

What about commas, quotes, or newlines inside a field?

Fields containing delimiters, quotes, or line breaks are emitted with RFC4180-style quoting (double quotes with "" escaping).

Can I convert CSV to a Markdown table?

Yes—switch Output mode to Markdown table and optionally treat the first row as a header.

Can it validate that every row has the same number of columns?

Enable Require consistent columns to error on mismatched row widths (common when quotes are broken).

Does this tool upload my data anywhere?

No—formatting runs locally in your browser and the script does not make network requests.