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Code & Data Tool
HTML Minifier
Remove safe whitespace and comments from HTML snippets.
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About this tool
What is HTML Minifier?
HTML Minifier removes safe whitespace and comments from HTML snippets to reduce their size. It is aimed at small snippets and learning exercises rather than full production builds.
Useful when you need to
- Reduce the size of an email or embed snippet
- See how much whitespace a page template contains
- Prepare a compact HTML sample
How to use
How to use HTML Minifier
01 02 Minify
Run the tool to drop comments and extra whitespace.
03 Test the result
Open the minified HTML to confirm it still looks right.
04 Copy
Copy the output.
Tips
Get better results
- Keep your original formatted file. Minified HTML is difficult to edit.
- Conditional comments and special whitespace-sensitive blocks should be checked after minifying.
FAQ
Frequently asked questions
Is this safe for production?
For small snippets, yes after testing. For a full site use your build tool's minifier.
Does it touch inline scripts?
It focuses on whitespace and comments in the markup. Test any inline script after minifying.
Is it private?
Yes, processing happens in your browser.
More practical guides · File handling and privacy · Report an incorrect instruction