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HTML / CSS / JS Minifier

Minify CSS, JavaScript and HTML to reduce file size and speed up your website.

Loading HTML / CSS / JS Minifier…
🔒PrivateRuns in your browser — nothing is uploaded.
⚡FastInstant results, no waiting in queues.
💸FreeNo sign-up, no watermark, no limits.
📱AnywhereWorks on phone, tablet and desktop.

How to use the HTML / CSS / JS Minifier

  1. Choose the language
  2. Paste your code
  3. Click Minify and copy the result

About this tool

Minify CSS, JavaScript and HTML to reduce file size and speed up your website. HTML / CSS / JS Minifier is part of ToolNest's collection of free developer tools. It works instantly in your browser with no account and no installation.

Frequently asked questions

Is the HTML / CSS / JS Minifier free to use?

Yes. HTML / CSS / JS Minifier on ToolNest is completely free, with no sign-up, no watermark and no daily limits.

Is my data private?

Yes. HTML / CSS / JS Minifier runs entirely in your browser. Your text and data are not uploaded or stored on our servers.

Does HTML / CSS / JS Minifier work on mobile phones?

Yes. ToolNest works in any modern browser on Android, iPhone, iPad, Windows, Mac and Linux. There is nothing to install.