Convert CSV to YAML

Drag and drop your CSV file here, or paste data directly

Max 20 files • Max file size: 50MB • Supported: .csv, text/csv, text/plain

Free CSV to YAML Converter Online - Convert CSV to YAML Config Instantly

Convert CSV to YAML instantly. List of objects or keyed mapping, 2 or 4 space indent, type inference. For Kubernetes, Ansible, Docker Compose, GitHub Actions. Optional YAML to CSV on same page. No signup, in your browser.

Need YAML from CSV for DevOps, CI/CD, Kubernetes, or Ansible? Our CSV to YAML converter turns your CSV into YAML: list of objects (most common) or a mapping keyed by the first column. Set indent (2 or 4 spaces), enable type inference (numbers, booleans, nulls), optional document separator (---) and headers as comments. Download as .yaml or .yml. We also offer YAML to CSV on the same page for the reverse conversion. Target audience: developers and DevOps using Kubernetes, Ansible, Docker Compose, and GitHub Actions.

What is CSV to Yaml?

CSV to YAML conversion turns comma-separated (or other delimiter) rows into YAML format. YAML is widely used for configuration: Kubernetes, Ansible playbooks, Docker Compose, GitHub Actions, and many CI/CD systems. Each CSV row typically becomes a YAML object in a list, or you can output a mapping keyed by the first column.

Why Choose Our CSV to YAML Converter?

You get YAML as a list of objects or as a keyed mapping, indent size (2 or 4 spaces), correct handling of special YAML characters (quoting strings with colons, hyphens, etc.), auto type inference (numbers, booleans, nulls), optional document separator (---) and headers as comments, download as .yaml or .yml, and optional reverse mode (YAML to CSV) on the same page. Output is validated. All in your browser—free and private. Ideal for Kubernetes config, Ansible, Docker Compose, and GitHub Actions.

How to Convert CSV to YAML - Step by Step

Converting CSV to YAML takes three steps:

Step 1

Paste or upload your CSV: Enter data or drag and drop a .csv file. Delimiter and first row as header are auto-detected.

Step 2

Set options: Choose list of objects or keyed mapping, indent (2 or 4 spaces), document separator (---), headers as comments, and type inference. Use reverse mode for YAML to CSV if needed.

Step 3

Convert and download: Click Convert to YAML. Validate the output, then copy or download .yaml/.yml.

How do I convert CSV to YAML configuration file?

Paste or upload your CSV, choose list of objects or keyed mapping, set indent and options, then convert. Download the .yaml or .yml file for use in Kubernetes, Ansible, or other tools.

Does it work for Kubernetes and Ansible?

Yes. YAML from this tool is suitable for Kubernetes config, Ansible playbooks, Docker Compose, and GitHub Actions. Type inference and quoting follow YAML rules.

Are my files private?

When processing is client-side, your files stay on your device and are not uploaded to our servers for conversion.

Can I convert YAML to CSV on the same page?

Yes. Use the reverse mode (YAML to CSV) on the same page to convert YAML back to CSV.

Does it infer types (numbers, booleans)?

Yes. The converter can output numbers, booleans, and nulls as proper YAML types instead of strings.

Features of Our CSV to YAML Converter

Highlights:

Output: List of objects (most common) or mapping keyed by first column.
Clear UI focused on upload → convert → download.
Special YAML characters: Auto-quote strings with colons, hyphens, etc.
Type inference: Numbers, booleans, nulls in YAML output.
Works online without installing desktop software.
Pretty output with comments: CSV headers as YAML comments.
Built for modern browsers with responsive layouts.
Reverse mode: YAML to CSV on the same page.
Validate output YAML: Error if invalid.
Processed in your browser. Your data never leaves your device.
Completely free: No signup, no watermarks, no limits.

When CSV to Yaml is useful

Typical situations:

Kubernetes: Build config lists or mappings from CSV data.
Ansible: Create playbook or variable structures from CSV.
Docker Compose: Generate service or env data from CSV.
GitHub Actions: Produce workflow or env YAML from CSV.
CI/CD: Feed CSV data into YAML-based pipelines.
Config management: Turn spreadsheets into YAML config.
Reverse: Convert YAML to CSV on the same page when needed.
DevOps tooling: Use CSV as source for YAML configs.

CSV to Yaml online vs desktop apps

Writing YAML by hand from CSV is tedious and error-prone. Our converter handles quoting, types, and structure. YAML is heavily used in DevOps; we mention Kubernetes, Ansible, Docker Compose, and GitHub Actions so developers find the tool when searching for those use cases.

Tips for best results

Before you convert:

Use first row as header so keys are clear in the YAML objects.
List of objects is the most common format for config lists.
Use 2 spaces for most tools (Kubernetes, Ansible often use 2).
Enable type inference so numbers and booleans aren't strings.
Check validation to ensure the YAML is valid.
For YAML to CSV, use reverse mode on the same page.
Download .yaml or .yml depending on your tool's expectation.

Try CSV to Yaml on Asli Tools

Convert CSV to YAML in seconds. List of objects or keyed mapping, type inference, .yaml/.yml download. For Kubernetes, Ansible, Docker Compose, and GitHub Actions. YAML to CSV on the same page.

Free, private, and in your browser. No signup required. Try it now.