Local browser processing
HTML Minifier
Reduce HTML size by removing comments and unnecessary whitespace while keeping markup readable and deployable.
How to use HTML Minifier
- 1Paste your HTML source into the input editor.
- 2Choose the optimization mode and minify the markup.
- 3Review the byte reduction and copy the optimized HTML.
Key features & capabilities
Removes ordinary HTML comments
Collapses redundant whitespace between tags
Preserves pre, textarea, and script/style content
Instant size comparison with copy-ready output
Frequently Asked Questions
Does minifying HTML change the meaning?The tool targets formatting whitespace and ordinary comments while leaving preformatted text and script/style blocks protected.
Should I minify HTML in production?Minification can reduce transfer size, but always test the output in your actual application before deployment.
Does it remove all comments?Ordinary comments are removed; conditional comments beginning with `<!--[if` are preserved.
About this tool
HTML Minifier is designed for practical everyday workflows. The interface is intentionally lightweight, responsive, and usable on desktop and mobile. The conversion or calculation runs in your browser, so ordinary input data is processed on the current device rather than uploaded as part of the tool operation.