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HTML-Minifier
Minify web page markup with HTML-Minifier, a configurable and tested successor to HTML Minifier.
About HTML-Minifier
HTML Minifier Next is a JavaScript tool that minifies HTML pages, including embedded CSS, JavaScript, and SVG. It can be run from the command line for files, directories, and piped input, or installed as a development dependency for programmatic use.
It is ESM-only and requires Node.js 22.13 or later. It is largely compatible with HTML Minifier and HTML Minifier Terser, but is not fully drop-in, so existing configurations may need migration changes.
Key features
- Minifies HTML plus embedded CSS, JavaScript, and SVG
- Command-line interface for single files, directories, and STDIN/STDOUT
- Zero-config mode minifies HTML files in place in current folder
- Conservative and comprehensive preset configurations
- JSON configuration file with command-line overrides
- Multi-threaded processing with configurable worker count
Best for: Developers who need to reduce HTML page size using Node.js command-line or programmatic tooling.
Good for
- Handles HTML, embedded CSS, JavaScript, and SVG in one tool
- Offers both command-line and programmatic use
- Provides presets, config file, dry-run and verbose reporting options
Watch out for
- Requires Node.js 22.13 or later and is ESM-only
- Not fully drop-in compatible with HTML Minifier and HTML Minifier Terser
- Automatic config file detection only checks the current working directory
HTML-Minifier at a glance
- Category
- Development › Web Development
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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HTML-Minifier FAQ
What are the requirements to install it?
It is ESM-only and requires Node.js 22.13 or later. Use npx for command-line use or install with npm i -D html-minifier-next for programmatic use.
How do I use it without configuration?
Run npx html-minifier-next --zero to minify HTML files in the current folder and its subfolders in place.
Is it compatible with HTML Minifier?
It is largely compatible with HTML Minifier and HTML Minifier Terser but is not fully drop-in; migration guidance is in the changelog.
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