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YAML

A human-friendly data serialization standard used for configuration.

data format

Quick facts

NameYAML

Aliasesyml

Typedata format

Extensions.yml .mir .reek .rviz .sublime-syntax .syntax .yaml .yaml-tmlanguage

MIME type—

What is YAML

YAML

A human-friendly data serialization standard used for configuration.

GitHub Linguist classifies YAML as a data format, typically using extensions such as .yml, .mir, .reek, .rviz, .sublime-syntax, .syntax.

File extensions:

.yml.mir.reek.rviz.sublime-syntax.syntax.yaml.yaml-tmlanguage.yaml.sed.yml.mysql

Related extensions

Related languages

Frequently asked questions

What is YAML mainly used for?

A human-friendly data serialization standard used for configuration.

Which file extensions does YAML use?

Common extensions include .yml, .mir, .reek, .rviz, .sublime-syntax.

Sources & standards

Updated 2026-08-18

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