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    Compress HTML online

    Shrink an HTML page by removing unnecessary whitespace, comments, and line breaks, without changing how it looks or behaves in a browser.

    Accepted source formats

    HTML

    How it works

    1

    Drop your HTML file: its structure is analyzed.

    2

    The code is minified: unnecessary whitespace, comments, and indentation are removed.

    3

    Download the compressed HTML, which renders exactly like the original in a browser.

    Common mistakes

    • Using a source file of poor quality.
    • Publishing without checking the final result.
    • Confusing file size, dimensions and quality.
    • Overwriting the original file without keeping a copy.

    Pro tips

    • Always keep an original version.
    • Test several settings before downloading.
    • Use WebP for the web when possible.
    • Choose descriptive file names for SEO.

    Privacy guaranteed

    Your files are processed locally in your browser and are never uploaded to our servers.

    Adapt your files to your needs

    Prepare your files for the web, emails, professional documents or online sharing. Processing happens directly in your browser, fully private and with nothing to install.

    Practical formats for everyday work

    Choose the formats best suited to your needs: publishing, archiving, printing, collaboration or quick sharing. Processing happens directly in your browser, fully private and with nothing to install.

    Free tool, no signup required

    Use the tool for free, with no account, no email required and no unnecessary steps. Processing happens directly in your browser, fully private and with nothing to install.

    Secure, private processing

    Your files stay on your device and are processed locally. No file is ever sent to a remote server. Processing happens directly in your browser, fully private and with nothing to install.

    Save time on all your files

    Keep a simple workflow: add your files, choose your settings, then download the final result. Processing happens directly in your browser, fully private and with nothing to install.

    Discover all our tools

    Convert, compress, merge and edit your files in a few clicks.

    See all tools

    Complementary tools

    Guides and tutorials

    Learn how to use our tools with our detailed guides.

    Frequently asked questions

    No, minification only strips code that’s invisible on screen (whitespace, comments); the visual output stays identical.

    No, only the page’s HTML code is minified; external CSS or JavaScript files aren’t touched.

    It reduces the size transferred when the page loads, useful for archiving or sending a self-contained HTML file.
    Compress HTML for free | Convertly Converter