CSV Beautifier – Free Online Table Preview & Prettifier

Clean up and visualize your raw CSV data instantly with this free online tool! Paste your comma, semicolon, or tab-separated values to see a live interactive table preview. Use the Beautifier to generate a pretty-printed ASCII table perfect for code comments or documentation. You can even export your data as a Markdown table or clean HTML. All processing happens entirely in your browser for 100% privacy.

First row as header

Enter CSV data to see preview

How to Use the CSV Beautifier

Convert CSV to Beauty:

  1. Paste your raw CSV data into the input box.
  2. The tool will automatically detect your delimiter (comma, semicolon, or tab).
  3. Toggle "First row as header" if your data includes headers.
  4. Switch between the Preview, Pretty Text, and Markdown tabs to see different outputs.
  5. Click Copy to get the formatted result.

Supported Formats:

  • Table Preview: A clean, zebra-striped HTML table for easy reading.
  • Pretty Text: An ASCII grid table perfect for terminal output or text files.
  • Markdown: Standard GFM (GitHub Flavored Markdown) table syntax.
  • HTML: Clean <table> code ready for your website.