Convert OpenDocument Text to HTML Online Free

Convert OpenDocument Text to HTML for seamless web publishing, CMS integration, and extracting LibreOffice document content into the open web.

Quick Answer

ChangeThisFile converts your OpenDocument Text document to HTML using LibreOffice on our secure servers, exporting headings, paragraphs, lists, tables, and inline styles as structured web-ready HTML. Ideal for publishing LibreOffice documents to the web or CMS platforms. Encrypted upload, automatic file deletion, completely free with no signup required.

Free, no signup Under 1 minute

Convert OpenDocument Text to HTML

Drop your OpenDocument Text file here to convert it instantly

Drag & drop your .odt file here, or click to browse

Convert to HTML instantly

OpenDocument Text vs HTML: Format Comparison

Key differences between the two formats

FeatureOpenDocument TextHTML
Format typeXML word processing container (.odt)Web markup language
SpecificationISO/IEC 26300W3C HTML Living Standard
Primary useDocument editing (LibreOffice, OpenOffice)Web publishing and display
RenderingOffice application requiredAny web browser, no software needed
StylingParagraph styles and character stylesCSS classes and inline styles
Content flowPage-based layoutReflowable web layout
InteractivityMacros and form controlsJavaScript and web APIs

When to Convert

Common scenarios where this conversion is useful

Publishing LibreOffice documents to the web

Convert ODT documents written in LibreOffice Writer directly to HTML for publication on websites, blogs, and online platforms.

CMS content import

Import ODT document content into WordPress, Ghost, Drupal, or any HTML-accepting CMS by converting to HTML first.

Open-source documentation workflows

Many open-source projects write documentation in ODT and convert to HTML for web-based documentation portals and wikis.

Email campaign content

Extract rich formatted text from ODT documents into HTML for use in email marketing platforms and newsletter tools.

Web accessibility and reach

Convert ODT content to HTML so it can be read by anyone with a browser, without requiring LibreOffice or any office software installed.

How to Convert OpenDocument Text to HTML

  1. 1

    Upload your OpenDocument Text file

    Drag and drop your .odt file onto the converter, or click to browse. Files up to 50 MB are supported for free.

  2. 2

    Server-side conversion with LibreOffice

    Your file is securely uploaded and converted on our servers using LibreOffice headless, exporting the ODT content through LibreOffice's HTML filter.

  3. 3

    Download the result

    Once conversion is complete, click Download to save your .html file. The uploaded file is automatically deleted from our servers.

Frequently Asked Questions

Yes, completely free. Convert ODT to HTML with no cost, no signup, and no watermarks.

LibreOffice generates a complete HTML file with inline CSS styles preserving paragraph formatting, fonts, headings, lists, and tables from the ODT document.

Yes. Heading 1, Heading 2, and other ODT heading styles are converted to the corresponding h1, h2, and other HTML heading elements.

Yes. You may want to clean up verbose inline styles before pasting if your CMS uses its own stylesheet — but the structure and content will be accurate.

Yes. ODT tables are converted to HTML table elements with cell content and basic formatting preserved via inline styles.

No. Files are automatically deleted immediately after conversion. Nothing is stored or retained.

Yes. Files are transferred over encrypted HTTPS connections. Your data is protected in transit.

The conversion uses LibreOffice headless on our servers. LibreOffice's native ODT format support ensures accurate and complete HTML export.

Images from the ODT are typically output alongside the HTML as separate files, with the HTML referencing them as relative paths.

Files up to 50 MB are supported for free conversion.

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