jarvisbox

YAML 验证器

检查 YAML 语法错误并美化合法的 YAML,不上传文件、全程在浏览器运行。

100% in your browser. Your file never leaves your device.

Paste YAML above and click Validate & Format.

How to use

  1. Paste your YAML content into the text area above.
  2. Click "Validate & Format" — errors are shown with line numbers if invalid.
  3. Copy the pretty-printed output for use in your project.

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常见问题

Is this tool free?
Yes, completely free with no signup required.
Does my data leave my device?
No. All validation happens locally in your browser — nothing is sent to a server.
Does it work on mobile?
Yes. The tool is mobile-first and works on any modern browser.

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