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CSV to Markdown table

CSV to a padded GFM table, or a Markdown table back to CSV.

How to use it

  1. Paste your data. Straight from a spreadsheet (tab separated) or a .csv file. The separator is detected for you.
  2. Set the options. Say whether the first row is a header and pick a column alignment.
  3. Copy the table. Columns are padded so the Markdown reads cleanly as plain text too.

Markdown tables without the typing

Writing a Markdown table by hand means counting pipes and dashes. Pasting data in is faster: copy a range from Google Sheets, Excel or Numbers (it arrives tab separated), or open a CSV file in a text editor and paste it here.

What the parser handles

The parser follows RFC 4180, the CSV standard:

  • Fields in double quotes can contain commas, line breaks and doubled quotes ("" for a literal quote).
  • Windows (CRLF) and Unix line endings both work, and a UTF-8 byte order mark is ignored.
  • The separator is detected from the first lines: comma, semicolon (common in European exports), tab or pipe.
  • Rows with fewer cells are padded so every row has the same number of columns.

In the Markdown output, pipes inside cells are escaped and line breaks become <br>, so the table renders correctly on GitHub, GitLab, Notion, Obsidian and most docs sites.

Alignment

GitHub-flavored Markdown sets alignment in the separator row: :--- left, :---: center, ---: right. Right alignment suits numbers and prices; left suits text.

Going the other way

Switch the direction to paste a Markdown table and get CSV back. The first table in the text is used, escaped pipes are restored, and fields that need quoting are quoted. That is handy for pulling a comparison table out of a README into a spreadsheet.

For nested data, JSON to Markdown turns arrays of objects into tables too. To convert whole documents, use HTML to Markdown.

What you get

  • RFC 4180 parsing: quotes, embedded commas and line breaks
  • Detects comma, semicolon, tab and pipe separators
  • Header row toggle and column alignment
  • Padded columns that read well as plain text
  • Markdown table to CSV in reverse

Questions

How do I convert an Excel sheet to a Markdown table?

Select the cells in Excel or Google Sheets, copy, and paste here. Spreadsheets copy as tab-separated text, which is detected automatically.

Can a Markdown table cell contain a line break?

Not directly; each row must be on one line. Line breaks inside a CSV field are converted to <br>, which GitHub and most renderers display as a break.

How do I align a column in a Markdown table?

Put colons in the separator row under the header: :--- for left, :---: for center and ---: for right. Choose an alignment here and it is written for you.

Why does my CSV use semicolons?

Spreadsheet apps in countries that use a comma as the decimal separator export CSV with semicolons instead. The converter detects this, or you can choose the separator yourself.