text2csv.com

YAML to CSV Converter — Free Online Tool

Convert YAML mappings and sequences to CSV instantly in your browser. Flatten nested data, RFC 4180 compliant output, no upload required.

100% privateNo signupRFC 4180
Drop a file, paste, or type. Processed locally — never uploaded.

Settings

CSV output will appear here

Paste YAML or drop a file, then click Convert

How it works

4 steps. Everything runs in your browser.

1

Paste YAML

Paste a YAML mapping, sequence, or nested structure into the input.

2

Configure

Choose output delimiter and toggle nested-mapping flattening with depth control.

3

Convert

Conversion runs locally — RFC 4180 CSV output appears instantly.

4

Copy or download

Copy to clipboard or download a .csv file ready for Excel, Sheets, or any database.

What is YAML to CSV conversion?

YAML to CSV conversion transforms YAML — a human-readable data serialization format widely used in configuration files, Kubernetes manifests, and CI/CD pipelines — into the tabular CSV format used by spreadsheets and databases. The converter parses YAML according to the 1.2 specification, then maps the resulting object tree onto CSV columns and rows.

YAML supports mappings (key-value), sequences (lists), nested structures, anchors, and aliases. The converter resolves all of these and flattens nested mappings into dot-notation columns (e.g. address.city), so the output CSV remains flat and Excel-compatible.

Example: YAML to CSV

Input YAML:

yaml
- name: Alice
  email: alice@example.com
  role: Engineer
- name: Bob
  email: bob@example.com
  role: Designer

Output CSV:

csv
name,email,role
Alice,alice@example.com,Engineer
Bob,bob@example.com,Designer

Common use cases

Kubernetes configs
Export YAML manifests to CSV for inventory, audit, or compliance reports.
CI/CD pipelines
Convert GitHub Actions, GitLab CI, or CircleCI YAML to CSV for documentation.
Inventory & seed data
YAML test fixtures → CSV for database imports or spreadsheet review.
Configuration audits
Flatten complex YAML configs into a CSV diff-friendly format.

Why use our YAML to CSV converter?

100% Private

All processing happens in your browser. Your YAML never leaves your device.

Smart Flattening

Nested mappings flatten with dot notation. Control depth from 1–5 levels.

YAML 1.2 + RFC 4180

Full YAML spec support via js-yaml plus standards-compliant CSV output.

Related tools

More free converters from text2csv.com

JSON to CSV →

Same flattening logic for JSON input.

XML to CSV →

Convert XML documents into CSV rows.

Text to CSV →

General-purpose converter for tabular text.

Frequently asked questions