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JavaScript 与 HTML 压缩器 / 美化器

在线压缩或美化 JavaScript 和 HTML 代码。移除注释、压缩空白或格式化为可读。免费使用,无需注册。

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About JS/HTML Formatting

Minifying JavaScript and HTML removes unnecessary characters like whitespace, comments, and line breaks to reduce file size and improve page load speed. Beautifying does the opposite — adding proper indentation and formatting for readability. This tool supports both JavaScript and HTML with instant results in your browser.

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使用方法

  1. Select JavaScript or HTML mode
  2. Paste your code in the input field
  3. Click 'Minify' to compress or 'Beautify' to format
  4. Copy the result

常见用途

  • Minifying JS/HTML for production deployment
  • Beautifying minified code for debugging
  • Reducing page load times
  • Formatting code snippets for documentation

常见问题

Does minification change how my code works?
No. Minification only removes formatting — whitespace, comments, and line breaks. The code logic and behavior remain identical.
How much file size can I save?
Typically 20-50% for JavaScript and 10-30% for HTML, depending on the original formatting and comment density.
Is this a full JavaScript parser?
This is a lightweight formatter designed for quick minification and beautification. For production builds, use dedicated tools like Terser or esbuild.

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