Table Converter TSV · CSV · MD · JSON
Local only Runs in your browser

✨ Features

  • Mutual conversion between CSV/TSV/Markdown/HTML
  • Instant conversion in the browser
  • Easy operation with copy & paste
  • Automatic header row detection

🪄 Ways to Use It

Convert spreadsheet data to Markdown

Copy data from Excel or Google Sheets and instantly convert it to a Markdown table — ready to paste into docs or GitHub.

Convert HTML tables to CSV

Copy table data from web pages and convert it to CSV format for easy import into spreadsheets.

Convert Notion tables to Markdown

Convert table data from Notion or Confluence into Markdown for use in other tools and documents.

Convert table data between formats

Quickly convert table data to the format you need when sharing data between different tools.

🔒 Privacy

All data you enter is processed entirely within your browser and never sent to any server. You can safely convert tables containing confidential data.

❓ FAQ

Which formats can be converted between?

Mutual conversion between CSV, TSV, Markdown, and HTML is supported. Type inference to TypeScript Interface, Zod, and SQL DDL is also available.

Can it handle large amounts of data?

It can process data within your browser's memory limits. Normal spreadsheet data works without issues.

What happens to the header row?

The first row is recognized as the header. You can toggle this with the "First row is header" option.

Can I download the conversion results?

Please use the copy to clipboard feature. The copy button gets you the converted result in one click.
Input Data Input
0 rows · 0 cols
Paste spreadsheet cells here
Paste data copied from Excel or Google Sheets, or drop a CSV / TSV file. The delimiter is detected automatically.
Waiting for input
First row is header
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⌘V Paste ⌘↵ Copy