Convert LaTeX to FB2

Why Convert LaTeX to FB2?

Converting LaTeX documents to FB2 format opens up distribution to the large and active reading community in Russian-speaking countries and Eastern Europe. FB2 is the dominant e-book format in this region, supported by popular readers like FBReader, CoolReader, and hardware devices from PocketBook and ONYX BOOX. If your academic work needs to reach audiences in Russia, Ukraine, Belarus, or other CIS countries, FB2 is often the preferred format over EPUB.

FB2's XML-based structure makes it well-suited for preserving the logical organization of LaTeX documents. Chapters become sections, the bibliography becomes a notes section, and metadata like author names, titles, and dates are stored in dedicated XML elements. This structured approach means that FB2 readers can provide rich navigation, searchability, and library management features. The format's strict schema ensures consistent rendering across different applications.

While FB2 does not natively support mathematical notation like MathML, equations from LaTeX documents can be converted to images embedded within the FB2 file using base64 encoding. This approach ensures that mathematical content remains visible on all FB2 readers, though it loses the editability of the original LaTeX source. For text-heavy academic content with minimal equations, such as literature reviews, social science papers, or historical analyses, FB2 conversion produces excellent results.

The FB2 ecosystem includes extensive tooling for library management and format conversion. Calibre, the popular e-book management application, provides excellent FB2 support for organizing and converting documents. Many online libraries and digital bookstores in the CIS region accept FB2 as a primary format. By converting your LaTeX publications to FB2, you can participate in these distribution channels and reach readers who prefer this well-established format.

Key Benefits of Converting LaTeX to FB2:

• Regional Reach: Access the large Russian-speaking e-book reading community
• Structured Metadata: Rich author, genre, and publication metadata in XML
• Self-Contained: Single XML file with all content and images included
• Reader Ecosystem: Wide support across FBReader, CoolReader, PocketBook
• Compact Format: Efficient storage, especially with FB2.ZIP compression
• Library Integration: Compatible with Calibre and digital library systems
• Reliable Rendering: Strict XML schema ensures consistent display

Practical Examples

Example 1: Academic Monograph for Digital Library

Input LaTeX file (monograph.tex):

\documentclass{book}
\usepackage[russian,english]{babel}
\title{History of Mathematical Logic}
\author{Alexander Petrov}
\begin{document}
\maketitle
\tableofcontents
\chapter{Origins of Formal Logic}
\section{Aristotelian Syllogisms}
The study of formal reasoning begins with
Aristotle's Prior Analytics, written around
350 BCE. His system of syllogisms...
\chapter{Boolean Algebra}
George Boole's seminal work ``The Laws of
Thought'' (1854) established...
\end{document}

Output FB2 file (monograph.fb2):

Structured FB2 e-book:
- Complete author/title metadata in XML
- Chapter-based navigation structure
- Section hierarchy preserved
- Table of contents auto-generated
- Ready for Flibusta or LitRes
- Readable on PocketBook, ONYX BOOX
- Compact size for e-ink devices

Example 2: Lecture Notes for Student Distribution

Input LaTeX file (lectures.tex):

\documentclass{article}
\title{Discrete Mathematics -- Lecture Notes}
\author{Dr. Elena Sokolova}
\begin{document}
\maketitle
\section{Set Theory Basics}
\subsection{Definitions}
A \textbf{set} is a collection of distinct objects.
\begin{itemize}
  \item $A \cup B$ -- union of sets
  \item $A \cap B$ -- intersection of sets
  \item $A \setminus B$ -- set difference
\end{itemize}
\subsection{Properties}
De Morgan's Laws state that...
\end{document}

Output FB2 file (lectures.fb2):

Student-friendly lecture notes:
- Sections and subsections navigable
- Bold definitions preserved
- Set notation as embedded images
- Lists formatted for readability
- Works offline on any FB2 reader
- Easy to share among students
- Searchable text content

Example 3: Scientific Review Article

Input LaTeX file (review.tex):

\documentclass{article}
\usepackage{natbib}
\title{Climate Models: A Comprehensive Review}
\author{Natalia Volkov \and Sergei Kuznetsov}
\begin{document}
\maketitle
\begin{abstract}
This review examines the evolution of global
climate models from the 1960s to present...
\end{abstract}
\section{Early Atmospheric Models}
Manabe and Wetherald \citep{manabe1967} first
demonstrated the relationship between CO2
concentration and surface temperature...
\bibliography{climate_refs}
\end{document}

Output FB2 file (review.fb2):

Complete review article in FB2:
- Multiple authors in metadata
- Abstract as opening section
- Citations linked to bibliography
- Reference list as notes section
- Genre tagged as "science"
- XML-validated structure
- Ready for e-reader distribution

Frequently Asked Questions (FAQ)

Q: What is FB2 format and where is it used?

A: FB2 (FictionBook 2.0) is an XML-based e-book format developed in Russia. It is the dominant e-book format in Russian-speaking countries, supported by all major e-readers in the region including PocketBook, ONYX BOOX, and software readers like FBReader and CoolReader. FB2 stores structured content with rich metadata in a single XML file, making it easy to catalog, search, and manage in digital libraries.

Q: How are LaTeX math equations handled in FB2?

A: FB2 does not have native mathematical notation support. LaTeX equations are typically converted to PNG or SVG images and embedded in the FB2 file using base64 encoding. This ensures equations display correctly on all FB2 readers, but they become static images rather than editable text. For documents with heavy mathematical content, consider using EPUB3 with MathML for readers that support it, or FB2 for broader CIS-region compatibility.

Q: Can I read FB2 files on non-Russian e-readers?

A: Yes, several cross-platform applications support FB2. FBReader is available on Android, iOS, Windows, Mac, and Linux. Calibre can read and convert FB2 on all desktop platforms. However, dedicated hardware e-readers like Kindle and Nook do not natively support FB2. You can use Calibre to convert FB2 to EPUB or MOBI for those devices. PocketBook and ONYX BOOX hardware readers have native FB2 support.

Q: Does the conversion preserve LaTeX document structure?

A: Yes, the hierarchical structure of LaTeX documents maps well to FB2's section-based XML schema. Chapters and sections become nested FB2 sections with titles, the abstract becomes an annotation element, and the bibliography becomes a notes section. Author information, document title, and dates are stored in FB2's detailed metadata block. The logical organization of your document is fully preserved.

Q: What is the difference between FB2 and FB2.ZIP?

A: FB2 is the plain XML file, while FB2.ZIP is the same file compressed in a ZIP archive. Since FB2 is text-based XML, it compresses very well, often reducing file size by 60-70%. Most FB2 readers can open both formats directly. FB2.ZIP is recommended for storage and distribution to save disk space and bandwidth, especially for documents with embedded images that increase the XML file size.

Q: Can FB2 handle LaTeX tables and figures?

A: FB2 has limited table support compared to LaTeX. Simple tables can be represented in FB2's XML structure, but complex multi-column layouts may need simplification. Figures referenced in LaTeX are embedded as base64-encoded images within the FB2 file. Figure captions are preserved as text elements. For documents with many complex tables, the conversion produces the best readable representation possible within FB2's structural constraints.

Q: How do footnotes and citations work in FB2?

A: LaTeX footnotes are converted to FB2's native footnote mechanism, which uses linked notes that readers can tap to view. Bibliography citations from BibTeX become references in FB2's notes section. FB2 readers display footnotes as pop-up overlays or linked endnotes, depending on the application. The citation-to-reference linking is preserved, allowing readers to navigate between citations and the bibliography.

Q: Is FB2 suitable for technical documentation from LaTeX?

A: FB2 works well for text-centric technical documents like literature surveys, historical analyses, and theoretical discussions. For highly technical documents with extensive mathematical notation, complex diagrams, or source code listings, EPUB or PDF may be more appropriate. FB2 excels at structured narrative content with rich metadata, making it ideal for monographs, reviews, and textbooks where the primary content is text with occasional formulas.