Convert ODT to FB2

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ODT vs FB2 Format Comparison

Aspect ODT (Source Format) FB2 (Target Format)
Format Overview
ODT
OpenDocument Text

Open standard document format used by LibreOffice Writer and Apache OpenOffice. Based on XML inside a ZIP container. ISO/IEC 26300 standard for office documents with rich formatting support.

Open Standard ISO/IEC 26300
FB2
FictionBook 2.0

XML-based e-book format popular in Russia and Eastern Europe. Designed specifically for fiction with rich metadata, chapter structure, annotations, and cover images. Single XML file format.

Russian Standard XML-based
Technical Specifications
Structure: ZIP archive with XML
Encoding: UTF-8 XML
Format: OASIS OpenDocument
Compression: ZIP compressed
Extensions: .odt
Structure: Single XML file
Encoding: UTF-8
Format: FictionBook 2.0/2.1
Compression: None (or .fb2.zip)
Extensions: .fb2, .fb2.zip
Content Support
  • Rich text formatting
  • Paragraphs and headings
  • Tables with styling
  • Embedded images
  • Headers and footers
  • Page numbering
  • Styles and templates
  • Structured sections/chapters
  • Rich book metadata
  • Author information
  • Genre classification
  • Book annotations
  • Cover images (base64)
  • Footnotes and citations
  • Epigraphs and poems
Metadata Support
Title: Document title
Author: Creator field
Subject: Basic subject
Keywords: Document keywords
Title-info: Genre, author, title, annotation, date, lang
Document-info: Program, date, version
Publish-info: Publisher, year, ISBN, city
Custom-info: Any additional data
Advantages
  • Open international standard
  • WYSIWYG editing
  • Rich formatting options
  • Wide software support
  • Print-optimized layout
  • Excellent Cyrillic support
  • Rich e-book metadata
  • Perfect for fiction
  • Chapter navigation
  • Popular in Russia/CIS
  • Many free readers
  • Simple XML structure
Disadvantages
  • Not for e-readers
  • No book metadata
  • Requires office software
  • Not optimized for mobile
  • Limited outside Russia/CIS
  • No compression (larger files)
  • Images inflate file size
  • Limited table support
  • No JavaScript/interactivity
Device Compatibility
  • LibreOffice (all platforms)
  • OpenOffice
  • Microsoft Word
  • Google Docs
  • FBReader (all platforms)
  • CoolReader
  • Moon+ Reader
  • PocketBook devices
  • Onyx Boox
  • Calibre (desktop)
Common Uses
  • Office documents
  • Reports and papers
  • Business correspondence
  • Document drafts
  • Fiction novels
  • Short story collections
  • Russian literature
  • Fan translations
  • Self-published books
  • E-book libraries
Image Handling
Storage: Separate files in ZIP
Formats: JPEG, PNG, GIF, etc.
Size: Original binary
Storage: Base64 encoded inline
Formats: JPEG, PNG (recommended)
Size: +33% due to base64
Cover: Coverpage element

Why Convert ODT to FB2?

Converting ODT documents to FB2 (FictionBook) format is essential for distributing e-books in Russia and Eastern European countries. FB2 is the dominant e-book format in the Russian-speaking world, supported by virtually all popular Russian e-reader applications and devices.

FB2's strength lies in its structured approach to book content. Unlike generic document formats, FB2 was designed specifically for fiction with built-in support for author information, book annotations, genre classification, chapter structure, and cover images. This rich metadata makes FB2 ideal for organizing personal e-book libraries.

The format excels at handling Cyrillic text, making it perfect for Russian, Ukrainian, Bulgarian, and other Slavic languages. Many Russian e-book stores and libraries distribute content in FB2, and popular readers like FBReader and CoolReader provide excellent FB2 support with features like bookmarks, customizable fonts, and night mode.

Key Benefits of Converting ODT to FB2:

  • Cyrillic Excellence: Perfect UTF-8 support for Russian and Slavic languages
  • Rich Metadata: Author, genre, annotation, publisher information
  • Chapter Structure: Automatic table of contents generation
  • Wide Compatibility: FBReader, CoolReader, PocketBook, Onyx Boox
  • Simple Format: Single XML file, easy to edit and validate
  • Free Ecosystem: Many free readers and tools available

Practical Examples

Example 1: Russian Novel

Input ODT file (novel.odt):

Дорога домой

Глава 1. Начало пути

Солнце медленно опускалось за горизонт,
окрашивая небо в оттенки оранжевого...

Глава 2. Встреча

На следующий день герой встретил
старого друга...

Output FB2 file (novel.fb2):

<FictionBook>
  <description>
    <title-info>
      <genre>prose_contemporary</genre>
      <book-title>Дорога домой</book-title>
      <lang>ru</lang>
    </title-info>
  </description>
  <body>
    <section>
      <title><p>Глава 1. Начало пути</p></title>
      <p>Солнце медленно опускалось...</p>
    </section>
    <section>
      <title><p>Глава 2. Встреча</p></title>
      <p>На следующий день...</p>
    </section>
  </body>
</FictionBook>

Example 2: Short Story Collection

Input ODT file (stories.odt):

Сборник рассказов

Об авторе:
Иван Петров — современный писатель...

Рассказ первый: Утро
Краткое содержание первого рассказа...

Рассказ второй: Вечер
Краткое содержание второго рассказа...

Output FB2 structure:

✓ Rich metadata (author, title, annotation)
✓ Each story as separate <section>
✓ Automatic table of contents
✓ Cyrillic text preserved perfectly
✓ Compatible with: FBReader, CoolReader, PocketBook

FB2 Features:
- Nested sections for stories
- Author bio in annotation
- Genre: prose_rus_classic
- Language: ru

Example 3: Book with Cover Image

Input ODT with embedded cover:

[Cover Image: cover.jpg embedded]

Моя книга
Автор: Анна Сидорова

Глава 1...
[Content with inline images]

Output FB2 with binary images:

<FictionBook>
  <description>
    <title-info>
      <coverpage>
        <image l:href="#cover.jpg"/>
      </coverpage>
    </title-info>
  </description>
  <body>...</body>
  <binary id="cover.jpg"
          content-type="image/jpeg">
    /9j/4AAQSkZJRgABAQEASABIAAD...
  </binary>
</FictionBook>

✓ Cover displayed in e-reader library
✓ Images embedded as base64

Frequently Asked Questions (FAQ)

Q: What is FB2 format?

A: FB2 (FictionBook 2) is an XML-based e-book format developed in Russia and widely used in Russian-speaking countries. It stores the book content, metadata, and images in a single XML file with rich structure for chapters, annotations, and author information.

Q: Which devices and apps support FB2?

A: FB2 is supported by many e-reader apps: FBReader (Android, iOS, Windows, Linux), CoolReader, Moon+ Reader, AlReader. Hardware support includes PocketBook, Onyx Boox, and some Kobo devices. Calibre can read and convert FB2 on desktop.

Q: Is Cyrillic text preserved correctly?

A: Yes! FB2 uses UTF-8 encoding which fully supports Cyrillic and all Unicode characters. Russian, Ukrainian, Bulgarian, Serbian, and other Slavic language texts are preserved exactly as written in the original ODT document.

Q: Why is my FB2 file larger than the ODT?

A: FB2 is an uncompressed XML file, while ODT uses ZIP compression. Additionally, images in FB2 are stored as base64 text which increases their size by ~33%. You can compress FB2 to .fb2.zip for smaller file size - most readers support this.

Q: Are images from my ODT preserved?

A: Yes, images are extracted from the ODT and embedded in the FB2 file as base64-encoded binary data. Cover images and inline images are both supported. JPEG and PNG formats work best.

Q: Can I edit the metadata after conversion?

A: Yes, FB2 is a plain XML file and can be edited with any text editor. For easier editing, use specialized tools like FB2Edit, Fiction Book Editor, or Calibre's metadata editor to modify author, title, genre, and other fields.

Q: Does Kindle support FB2?

A: Kindle doesn't natively support FB2. You'll need to convert FB2 to MOBI or AZW3 format using Calibre or our converter. Alternatively, use the Kindle app on Android/iOS which can open FB2 with third-party plugins.

Q: What's the difference between FB2 and EPUB?

A: FB2 is popular in Russia/CIS with excellent Cyrillic support and rich metadata for fiction. EPUB is the international standard with wider device support. FB2 uses single XML file, EPUB uses ZIP with HTML. Both are good for e-books, choose based on your target audience.