Data
Turn your CSV files into YAML in seconds. Everything happens in your browser: nothing is uploaded to any server.
Drag your files here
Or paste them with Ctrl+V. They never leave your device.
It has a single sheet, no formatting or formulas, and accented characters sometimes break. As YAML it is readable and ready for a configuration file.
CSV stores a table as text: one row per line with columns separated by commas (or semicolons in some locales).
Strengths: Every spreadsheet, database and app can import it.
Limits: It has a single sheet, no formatting or formulas, and accented characters sometimes break.
YAML represents the same data as JSON but with indentation instead of braces, meant to be read and written by hand.
Strengths: It is the configuration format of Docker, Kubernetes, GitHub Actions and many tools.
Limits: Indentation matters: one extra space changes the meaning.
No. The CSV to YAML conversion runs entirely in your browser, with code downloaded from this site and executed on your device. You can check it in the Network tab of the developer tools or by going offline after the page loads.
Open the options and pick the “Windows (Western European)” encoding, which older Excel versions use for CSV. UTF-8 files are detected automatically.
Up to 1 GB on desktop and about 200 MB on mobile, although a huge spreadsheet may take a few seconds.
Yes. Drop as many CSV files as you like: several are converted at the same time, depending on your processor cores, and when they finish you can download each YAML or all of them in a ZIP.