✅ YAML 校验器YAML Validator

使用说明与常见问题How-to & FAQ

「YAML 校验器」是什么？What is the YAML Validator tool?

在线校验 YAML 语法：准确指出出错的行号、列号并显示上下文，检查重复键和缩进错误，支持多文档，可查看解析后的 JSON 或规范化 YAML。Validate YAML syntax online: pinpoints the line and column with context, catches duplicate keys and bad indentation, supports multi-document files, and can show the parsed JSON or normalised YAML.

如何使用「YAML 校验器」？How do I use the YAML Validator tool?

在「YAML 校验器」中，把内容粘贴或输入到上方输入框，按需设置「输出」，结果会实时显示在下方，点击「复制结果」即可复制。In the YAML Validator: Paste or type into the input box, adjust "Output"; the result appears below instantly — click "Copy result" to copy it.

会检查哪些错误？Which errors are caught?

所有语法错误（缩进不一致、冒号后缺空格、未闭合的引号或括号、Tab 缩进等）以及重复的键名；出错时显示行号、列号和出错位置附近的内容。All syntax errors (inconsistent indentation, missing space after a colon, unclosed quotes or brackets, tab indentation…) plus duplicate keys, with the line, column and surrounding context.

用的是什么解析器？Which parser is used?

js-yaml（MIT 许可），按 YAML 1.2 核心模式解析（另支持 << 合并键），支持多文档（--- 分隔）。核心模式下 2026-10-18 这样的日期、yes/no 都保持为字符串；.inf、.nan 是浮点数，JSON 无法表示时会以字符串输出并提示。它只检查语法，不校验 Kubernetes、Docker Compose 等特定格式的字段。js-yaml (MIT), parsing with the YAML 1.2 core schema (plus << merge keys) and supporting multiple documents separated by ---. Under the core schema dates such as 2026-10-18 and yes/no stay strings; .inf and .nan are floats and are shown as strings with a note when JSON cannot hold them. It checks syntax only, not schemas such as Kubernetes or Docker Compose fields.

数据会上传吗？Is my data uploaded?

不会，全部在浏览器本地处理。No — everything is processed locally in your browser.

「YAML 校验器」免费吗？需要注册吗？Is the YAML Validator free? Do I need an account?

「YAML 校验器」完全免费，无需注册或安装，打开网页即可使用，手机和电脑都能用；输入的内容只在你的浏览器本地处理。The YAML Validator is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.