Monu Tools

CSV to YAML Converter

Convert CSV into a YAML list of records, with types inferred. Pick the delimiter and copy the result. Runs entirely in your browser.

Reverse: YAML → CSV

Com fer servir CSV → YAML

  1. 01

    Paste your CSV into the left panel, or type it in.

  2. 02

    Pick the delimiter your CSV uses; the YAML updates instantly on the right.

  3. 03

    Copy the YAML with the copy button.

What it does

This tool converts CSV into YAML: each row becomes a mapping keyed by the header, collected into a list. It is handy for turning a spreadsheet of settings into a config file.

Numbers and booleans are emitted as real YAML scalars; strings are quoted only when they need to be.

Private and unlimited

Every conversion happens locally in your browser, so your data is never uploaded, logged or stored on a server. You can use it on confidential exports without a second thought, and it keeps working offline once the page has loaded.

There is no sign-up, no watermark and no row limit: the only ceiling is your device's memory.

Preguntes freqüents

Which delimiter should I use?

Comma is the standard. Pick semicolon in regions where the comma is the decimal separator (common in German and other European exports), tab for TSV files, or pipe when your values already contain commas.

Is there a row or file-size limit?

There is no fixed row cap or daily quota. Because everything runs locally the practical limit is your device's memory, which comfortably handles the tens of thousands of rows most exports contain.

Is my data uploaded anywhere?

No. The conversion runs entirely in your browser with client-side JavaScript, so nothing you paste or drop ever leaves your device. That makes it safe for spreadsheets that contain customer emails, financial figures or other sensitive data.

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