CSV to YAML Converter

Convert CSV to YAML instantly — no upload, fully private.

Runs 100% in your browser. Your data never leaves this page.
CSV input
YAML output

How to use

  1. Paste CSV (with a header row) into the input box.
  2. The YAML appears on the right as a list of records.
  3. Copy or download the YAML.

The first row is treated as the header; each following row becomes a record.

Frequently asked questions

How are columns mapped?

The first CSV row becomes the keys for each record.

Is it private?

Yes. Everything is processed on your device.