Convert YAML to CSV instantly

Convert YAML arrays to CSV in your browser. No upload needed. Your data stays on your device. Free and instant.

Drop your YAML file here

or click to browse

Your files stay private
No server upload
Instant conversion

 

Example

Input (YAML)

- name: api-server
  port: 8080
  region: us-east-1
- name: worker
  port: 9090
  region: eu-west-1

Output (CSV)

name,port,region
api-server,8080,us-east-1
worker,9090,eu-west-1

About this converter

Got a YAML data file that needs to go into a spreadsheet? This converter takes a YAML array of objects and flattens it into CSV. The keys from the first object become column headers. Works well for config data, exported lists, and any YAML where the top-level structure is an array of similar objects. The conversion runs in your browser. Your data never leaves your device.

YAML vs CSV

YAML Ain't Markup Language (YAML)

YAML is a human-friendly data serialization language commonly used for configuration files in DevOps tools like Docker Compose, Kubernetes, and GitHub Actions.

Common uses: configuration files, CI/CD pipelines, and data serialization

YAML 1.2.2 specification

Comma-Separated Values (CSV)

CSV (Comma-Separated Values) is a plain-text format for storing tabular data where each line represents a row and values are separated by commas.

Common uses: spreadsheets, databases, and tabular data

RFC 4180 (CSV specification)

How to convert YAML to CSV

  1. 1

    Upload

    Upload your YAML file using the drop zone above, or click to browse your device.

  2. 2

    Convert

    Click the "Convert to CSV" button. The conversion runs instantly in your browser.

  3. 3

    Download

    Download your converted CSV file. No data was sent to any server.

Frequently Asked Questions

Last updated: 2026-03-23