Free ODT to HTML Converter - Convert ODT to HTML Online

How to convert odt to html file

June 7, 2026

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Understanding odt and html file formats

ODT (OpenDocument Text) is a word processing file format used by applications like LibreOffice Writer and Apache OpenOffice. It is an open standard for text documents, supporting rich formatting, images, tables, and more.

HTML (HyperText Markup Language) is the standard markup language for creating web pages. HTML files structure content for display in web browsers, supporting text, images, links, and multimedia.

Why convert odt to html?

Converting ODT to HTML allows you to publish documents on the web, making them accessible in browsers. This conversion preserves formatting and structure, ensuring your content appears as intended online.

Best software for odt to html conversion

The most reliable and widely used software for converting ODT to HTML is LibreOffice Writer. It is free, open-source, and available on multiple platforms.

How to convert odt to html using LibreOffice Writer

Open your ODT file in LibreOffice Writer.
Go to File → Export As → Export As HTML.
Choose your destination folder and file name.
Click Save to complete the conversion.

This process creates an HTML file that retains much of the original formatting, including headings, lists, and images.

Alternative online converters

If you prefer not to install software, online converters like Zamzar or CloudConvert can convert ODT to HTML. Simply upload your ODT file, select HTML as the output format, and download the converted file.

Tips for best results

Review the HTML output for formatting issues, especially with complex documents.
Use a text editor to make minor adjustments to the HTML if needed.
For batch conversions, LibreOffice supports command-line operations.

Summary

Converting ODT to HTML is straightforward with LibreOffice Writer or online tools. This enables easy web publishing and sharing of your documents.

Note: This odt to html conversion record is incomplete, must be verified, and may contain inaccuracies. Please vote below whether you found this information helpful or not.

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ODT vs HTML: format comparison

How the ODT and HTML formats compare on the properties that matter most for this conversion.

Comparison of the ODT and HTML file formats
Property	.ODT OpenDocument Text	.HTML HyperText Markup Language
Open standard	Yes	Yes
Compression	Lossless	Uncompressed
Typical file size	Medium	Small
Opens in a web browser	Partial	Yes, natively
Further editing	Easy	Easy
Metadata support	Extensive	Basic
Plain-text readable	No	Yes
Best used for	Editing and post-production	Web publishing
Introduced	2005	1993
Developer	OASIS (Organization for the Advancement of Structured Information Standards)	W3C / WHATWG
MIME type	application/vnd.oasis.opendocument.text	text/html

Open ODT file Open HTML file

Frequently asked questions

Is the ODT to HTML converter free?

Yes, converting ODT to HTML on 101convert.com is completely free. No registration, email address or installation is required.

How large can my ODT file be?

You can upload ODT files up to 1000 MB and convert up to 100 files at once in a single batch.

What happens to my uploaded files?

Files are processed automatically and deleted from our servers within a few minutes after conversion. We never view or share your files.

Do I need to install any software to convert ODT to HTML?

No. The ODT to HTML conversion runs entirely online in your browser and works on Windows, Mac, Linux, Android and iPhone.

Did the conversion fail?

In most cases, the cause is an incorrect file format. Please upload a valid ODT file for this ODT to HTML conversion. Occasionally, the issue may be on our side. We analyze recurring conversion failures and disable or fix the converter if we detect a defect.

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