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CSV File Tools
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Free · Reliable output · No signup

Convert CSV to YAML

Convert CSV rows into a YAML array of records. Preview, copy and download for free while preserving source values as strings.

CSV → YAML

Free conversion in your browser. Your file stays on this device.

Local processing
8 fictional sales rows · CC0
  1. Choose your CSV

    Open a file, paste CSV text, or try the sample.

  2. Review the preview

    Adjust available settings and check the output. Edit CSV lets you change source values.

  3. Copy or download

    Save your .yaml file with the current settings.

Output preview

Example output
- "Project": "Website"
  "Status": "Ready"
- "Project": "Docs"
  "Status": "In progress"

Preview is limited to the first 20 rows and 16,000 characters. Download includes every row within the tool limits.

Three simple steps

How to convert CSV to YAML

  1. 1. Open your CSV

    Choose a file up to 50 MB, paste CSV text, or try the fictional sample. The first row supplies column headers.

  2. 2. Review the output

    Check the preview and available format settings. Edit CSV opens the same document in the editor; return with your changes intact.

  3. 3. Save your result

    Copy the complete output or download a .yaml file. No signup or payment is required.

Output contract

What the YAML converter writes

Headers become record keys and cells remain quoted strings, preserving leading zeroes, date-like text and boolean-like text.

The preview is bounded so larger files stay manageable. Downloads use the complete parsed document within the format limits, including changes made in the editor.

Parsing and conversion happen on your device. Your CSV is not uploaded to a conversion server. An error preserves the current input so you can adjust settings or edit the source and try again.

Plain answers

YAML conversion questions

Is this a real YAML file?+

Yes. The download is valid YAML text created from the parsed CSV table.

When is the download created?+

The output preview appears after parsing. Copy and download generate the complete output with your current settings; the preview can show fewer rows than the exported file.

What happens to data types?+

Cells stay as text by default, preserving identifiers and leading zeroes. SQL and SQLite allow explicit column types; invalid values are reported before download.