ToolBirch

CSV Editor

Edit CSV cells in a grid and export clean, correctly-escaped CSV.File & Data Tools

CSV Editor

Load a CSV, edit the cells in a grid, then export. Quotes and embedded newlines are escaped correctly on export.

About this tool

Fixing one cell of a CSV should not mean fighting a spreadsheet app. Load the file, edit any cell in place, add or delete rows, and export — quoting is handled automatically on the way out.

How to use the CSV Editor tool

  1. Load the CSV. Drop or paste the file, then press Edit this table.
  2. Edit cells. Type in any grid cell; add rows or delete them as needed.
  3. Export. Download the edited CSV or copy it to the clipboard.

Supported formats

Input

  • Plain text or file input

Output

  • Converted or analysed output

Inputs are validated before anything is processed. Invalid values and unsupported files are rejected with a clear error instead of failing silently.

Frequently asked questions

Are formulas supported?

No. Cells are plain text; this is an editor, not a spreadsheet.

Is the original file modified?

Never — the export is a new file.

Can I edit large files?

Thousands of rows render fine; editors get sluggish beyond that in any browser.

Privacy

Everything you enter stays in this browser tab. There is no upload endpoint for tool inputs, no account, and no server-side copy of your text or files. Results are produced locally and disappear when you close the page.

No account is required and no file is ever uploaded. See the privacy policy for details about analytics and the limited data this site stores.

Known limitations

  • Column headers are treated as fixed labels and are not editable in this release.

Related tools

Other free tools from the same collection.

CSV ViewerView CSV files as a clean table with correct RFC 4180 parsing.CSV to ExcelConvert CSV into a real .xls workbook with typed numeric cells.Excel to CSVRead .xlsx workbooks locally and export the first sheet as CSV.CSV to JSONConvert CSV rows into a JSON array with optional type inference.