Runs fully in your browser. Inputs stay on your device. See recent fixes on changelog.
HTML Minifier
Minify HTML by removing whitespace and comments.
FreeRuns in browserhtml minifierminify html
Cmd/Ctrl+Enter Primary actionCmd/Ctrl+Shift+L Load sampleCmd/Ctrl+Shift+X Clear/resetCmd/Ctrl+Shift+C Copy result
About HTML Minifier
Minify HTML by removing whitespace and comments. Minify HTML code by removing whitespace, comments, and unnecessary characters online for free. Reduce file size and improve page load speed instantly. Removes unnecessary whitespace, comments, and redundant syntax to reduce file size significantly. Shows a real-time size comparison so you can see exactly how much space you saved. Everything runs client-side in your browser for maximum speed and privacy — no data is sent to any server, and no signup is required.
Related tools: CSS Minifier, JavaScript Minifier, HTML Formatter & Validator
How to Use HTML Minifier
- Paste your code into the editor.
- Click Minify to reduce the file size.
- Copy the minified output and compare the size savings.
Frequently Asked Questions
What is HTML Minifier?
Minify HTML code by removing whitespace, comments, and unnecessary characters online for free. Reduce file size and improve page load speed instantly.
How much size reduction can I expect?
Size reduction varies depending on the input, but typical minification removes 30-70% of file size by eliminating whitespace, comments, and unnecessary characters. The tool shows a before-and-after size comparison so you can see the exact savings.
Does minification break my code?
No, minification only removes characters that are syntactically unnecessary, such as whitespace, comments, and optional semicolons. The minified code is functionally identical to the original and will execute the same way.
What optimizations are applied?
The minifier removes whitespace, newlines, and comments. Depending on the language, it may also shorten variable names, collapse redundant syntax, and apply other safe optimizations that reduce size without changing behavior.
Is HTML Minifier free to use?
Yes, minification is entirely free. There are no file size limits, no usage caps, and no account required.
Is my data safe when using HTML Minifier?
Yes, your code never leaves your browser. All minification happens locally, so your source code remains private and secure.