Transform CSV into YAML

Transform CSV into YAML converts comma-separated data into structured YAML format. Import, convert, and export in one simple step.

Paste your input above or import a file below.
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Supported file types: .csv, .txt
Total characters: 0
Options
Maximize output

How to Use:

  • Paste CSV data into the input box or import a .csv or .txt file
  • The first line of your CSV should be the header each column becomes a key
  • Each row after the header becomes a YAML object
  • The tool updates instantly as you type or load a file
  • Click Convert to manually refresh the output if needed
  • Click Copy Output to copy the YAML directly to your clipboard
  • Click Export to File to save the result as a .yaml file
  • Toggle Maximize output to expand the output box for better readability
  • Click Clear All to reset everything, including the input, output, toggles, and file name

What Transform CSV into YAML can do:

This tool takes flat CSV data and turns it into a well-structured YAML array. It reads the first row as field names and maps each subsequent row to those fields. It’s ideal for transforming tabular data into something more hierarchical and readable. Whether you’re moving data between formats or preparing files for a YAML-based tool like Ansible or Kubernetes, this tool makes the job easy. Everything runs inside your browser your data is never uploaded or stored elsewhere. You just paste, convert, and go. It even gives you a live character count so you know how big the result is before you export.

Example:

CSV Input:

name,age,city
Alice,30,London
Bob,25,Paris

YAML Output:

- name: Alice
  age: 30
  city: London
- name: Bob
  age: 25
  city: Paris

Common Use Cases:

Use this tool to reformat CSV logs, export spreadsheet data as YAML, or prep datasets for scripts, templates, or config systems. It’s also great for converting form exports, user tables, or flat files into clean YAML for direct use in your projects.

Useful Tools & Suggestions:

Once you’ve turned your CSV into YAML, run Prettify YAML to clean up the formatting and make it easier to scan. And if you’re checking what made it over cleanly, Extract Values from YAML helps verify the data without digging line by line.

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