Convert ODT to FB2 in bulk.
Large ODT files are supported.

Max size: 200 MB per file

You can convert ODT Learn more about ODT files to


How to convert ODT to FB2?

You can convert ODT to FB2 with MConverter in three easy steps:
  1. Choose ODT files from your device
    At the top of this page, drag and drop your ODTs.
    You can also click to select ODT files using your operating system's file chooser.
    Another method is to press Ctrl+V to paste an ODT file you have copied to clipboard.
  2. Click or tap on FB2 from the list of target formats
    Alternatively, you can use the search field to quickly find the format you need, whether it's FB2 or something else.
  3. Download your FB2 files, after MConverter has finished processing them
    There's an option to automatically download the converted FB2 files, so you don't have to press the download icon for each FB2.

About the formats

Extension odt
Category Document/Office file formats
Developed by OASIS (Organization for the Advancement of Structured Information Standards)
Mime type application/vnd.oasis.opendocument.text


Text document in the Open Document Format for Office Applications, used by OpenOffice and LibreOffice. It is similar to Microsoft's DOC and DOCX.
Extension fb2
Category E-book file formats
Developed by Dmitry Gribov
Mime type application/x-fictionbook+xml


FB2 is short for the FictionBook 2 format for e-books, created by the Russian Dmitry Gribov. It is XML-based, meaning it describes the structure of the book or document, instead of its styles and appearance. This file format is completely DRM-free. It also has support for some inline formatting.

Common questions about converting ODT to FB2

Can I convert ODT to FB2 in bulk?

Yes, MConverter supports batch converting of multiple ODTs to FB2's simultaneously. You can even drag and drop folders containing ODTs to convert to FB2.
Pasting ODT files and folders copied in the clipboard also works: use Ctrl+V.

Can I convert an ODT file to FB2, if its size is 1 GB?

Yes, with MConverter Premium you can convert big ODTs, up to 1 gigabyte each.
The free version lets you convert files up to 200 MB. If you need to convert ODT files over 200 megabytes, try MConverter Premium.

Is converting ODTs to FB2 safe with MConverter?

Yes, we encrypt your connection using industry standards. Plus, your ODT files are only accessible by you. 24 hours after the conversion completes, they are automatically deleted from MConverter’s servers. You can also delete your ODTs and other converted files immediately after finishing the conversion by clicking the bin icon.
Join others who have trusted us to convert over 2,179,014 files so far.

How long does it take to convert ODT to FB2?

For most documents, the wait may be a minute or so. However, MConverter also supports converting larger documents, meaning that it could take a while (up to over an hour, for example).
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