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Text to CSV Column Mapper

Convert delimited text (pipe, comma, tab, or space) into CSV with renameable columns and a live table preview. Runs entirely in your browser.

🔒 This tool runs entirely in your browser. Your files are never uploaded to a server.

Example shown — paste your own delimited text, one row per line.

How it works

  1. Paste your delimited text and choose the delimiter it uses.
  2. Optionally treat the first row as a header, and rename any column.
  3. Preview the result as a table, then copy or download it as CSV.

FAQ

What kinds of delimited text does this handle?

Any consistent delimiter — pipes, commas, tabs, semicolons, or spaces — commonly found in log files, fixed-format exports, or text copied from a non-spreadsheet source.

Why rename columns instead of just using the header row?

Some source text has no header row at all, or has header names you'd rather change before exporting — renaming lets you set clean, final column names either way.

What happens if rows have different numbers of fields?

The tool uses the widest row to determine the column count; shorter rows get blank values for any missing trailing columns.

Is my data uploaded anywhere?

No — parsing and conversion happen entirely in your browser. Nothing is sent to a server.

How we compare

Feature Online Tool Store Spreadsheet "Text to Columns" Manual regex/script
Live table preview while editing names Requires importing into a sheet first No visual preview
No spreadsheet needed Requires Excel/Sheets

For a quick paste-map-export from a log file or oddly-formatted export, this beats opening a spreadsheet or writing a parsing script.

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Paste this on your own site — it stays free, and every file still stays in your visitor's browser, not yours or ours.