YAMLToolbox

Fast, private, browser-based YAML tools. No upload. No ads.

100% client-side — your data never leaves your browser.

Convert

YAML → JSON

Convert YAML into clean, readable JSON.

JSON → YAML

Turn JSON into indented, friendly YAML.

YAML → CSV

Flatten YAML lists into CSV.

CSV → YAML

Turn CSV rows into YAML records.

YAML → TSV

Export YAML as tab-separated values.

TSV → YAML

Import tab-separated data as YAML.

YAML → XML

Convert YAML into well-formed XML.

XML → YAML

Turn XML (with attributes) into YAML.

Validate & Format

YAML Validator

Check YAML syntax with clear errors.

YAML Formatter

Beautify and re-indent YAML.

YAML Minifier

Compress YAML to a compact form.

Encode

YAML → Base64

Encode YAML as a portable string.

Base64 → YAML

Decode and validate Base64 YAML.

YAML → URL

Percent-encode YAML for URLs.

URL → YAML

Decode URL strings back to YAML.

Guides

Why YAMLToolbox