# YAMLlint

- slug: `yamllint`
- url: https://www.yamllint.com/
- tagline: Free online YAML validator and reformatter.
- categories: converters, utilities, devtools
- locales: en
- founded_case: false
- ownership_status: unclaimed
- editorial_status: approved
- verification_status (legacy): unverified
- link_rel (ops): nofollow
- created_at: 2026-09-14
- updated_at: 2026-09-14

## Description

Paste YAML/YML and validate or reformat documents in the browser. Simple free yaml validator — not a hosting product. Keywords: yaml validator, yml lint, yaml checker, yaml formatter, validate yaml.


## Links for agents

- HTML: /p/yamllint/
- Markdown: /p/yamllint.md
- JSON: /api/v1/listings/yamllint.json

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