Skip to content
Free public beta until December 4, 2026: every course is open, no card needed. After that, the first chapter of each course stays free and full access is a one-time $39 ($19 for up to 100 founding members chosen for helpful feedback). Your progress is kept. How the beta works

CSV

A text file of rows, with the values in each row separated by commas.

Comma-separated values is a plain-text table format (RFC 4180) in which fields containing commas, quotes or line breaks are enclosed in double quotes.

Examples

  • Ana,"Lisbon, PT",42 is one row of three values; the quotes keep the comma inside the city.

Read the full section →