JSON Validator

Validate JSON syntax, highlight errors and give fixes

JSON Validator is a free online Developer tool. Validate JSON syntax, highlight errors and give fixes Related terms: json · 校验 · validate · 语法检查 · parse · 错误定位. Use it on this page without signing in.

自动校验常见错误：多余逗号、单引号、未加引号的键、注释（JSON 标准不支持注释）、尾随逗号等。所有解析均在浏览器本地完成。
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使用说明

  1. 粘贴 JSON 文本
  2. 自动校验语法，显示通过/错误
  3. 如有错误，高亮错误位置并给出原因和修复建议
  4. 通过后自动美化输出

常见问题

  • 常见 JSON 错误：多余逗号、单引号、未引号 key、尾部逗号、注释（JSON 不支持注释）
  • 数据会上传吗？ 不会，本地解析校验

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FAQ about JSON Validator

What can JSON Validator do?

JSON Validator is a Developer tool. Validate JSON syntax, highlight errors and give fixes You can finish the job on this page.

Who should use JSON Validator?

Anyone handling json · 校验 · validate · 语法检查 · parse · 错误定位 who does not want to install desktop software can use JSON Validator in the browser.

Is JSON Validator safe? Is my data uploaded?

This tool runs in your browser. We do not collect the content you enter into JSON Validator just because you used it.

What similar tools exist?

Related tools in the same Developer group are listed at the bottom of this page.