Is YAML Formatter free to use?

Yes, YAML Formatter is completely free. No registration, no account, and no hidden costs — ever.

Is my data safe when using YAML Formatter?

All processing happens directly in your browser. Your data never leaves your device — nothing is uploaded or stored on our servers.

No. All CheckTown tools work instantly without registration or sign-up.

YAML Formatter works on any device — desktop, tablet, or phone. The interface adapts to your screen size.

即时格式化和校验 YAML 数据。免费，无需注册。

在上方粘贴 YAML 即可开始

我们将即时格式化或校验你的 YAML

Ctrl+Enter 运行Ctrl+Shift+C 复制

了解如何格式化杂乱的 YAML、验证语法，并修复配置文件中的常见错误。

什么是 YAML 格式化?

YAML 格式化会统一 YAML 文档的缩进、间距和结构。格式良好的 YAML 更易于阅读、审查和维护——这一点尤为重要,因为 YAML 完全依赖缩进(而非中括号或大括号)来表示结构。