FB2 to MOBI Converter
Drag & drop your files here or click to upload
How to convert FB2 to MOBI online
Upload your FB2 file
Start converting
Download your MOBI
What is a FB2 file?
FB2 (FictionBook 2.0) is an XML-based eBook format that originated in Russia and is designed to preserve the semantic structure of a book. It focuses on separating content from presentation, which allows consistent formatting across different devices.
FB2 files are compact, easy to convert, and widely supported in Russian-speaking countries. They are especially popular for fiction and literary works.
How to open FB2 files
FB2 files can be opened using apps like CoolReader, FBReader, and Calibre. They are especially common in Russia and Eastern Europe.
Use AnyConv to convert FB2 files into EPUB, MOBI, or PDF formats for broader compatibility with other eReaders.
Key facts about FB2
- Full name: FictionBook 2.0
- Extension: .fb2
- MIME type: application/xml
- Developed by: Russian eBook Community
- Initial release: 2004
Useful links and resources
What is a MOBI file?
MOBI is a legacy eBook format developed by Mobipocket, later acquired by Amazon. It supports complex content like bookmarks, annotations, and DRM, and was used extensively on early Kindle devices.
Although Amazon has transitioned to newer formats like AZW3 and KFX, MOBI files are still supported on older Kindles and widely used for distribution due to their compatibility with many reading apps.
How to open MOBI files
MOBI files can be opened using Amazon Kindle devices, Calibre, and Mobipocket Reader. Many third-party eReader apps on Android and Windows also support MOBI.
If needed, use AnyConv to convert MOBI to EPUB, AZW3, or PDF for greater compatibility.
Key facts about MOBI
- Full name: Mobipocket eBook
- Extension: .mobi
- MIME type: application/x-mobipocket-ebook
- Developed by: Mobipocket / Amazon
- Initial release: 2000
Useful links and resources
Convert from FB2
Convert to MOBI
❓ Frequently Asked Questions
- Do I need to register to convert FB2 files?Not at all! You can convert FB2 to MOBI without signing up or installing anything.
- Is it safe to convert FB2 to MOBI on AnyConv?Absolutely. All FB2 and MOBI files are securely handled and automatically deleted after 1 hour. Nobody can access your data.
- Will the quality change after converting FB2 to MOBI?We do our best to preserve the original quality during FB2 to MOBI conversion. The result is accurate and clean.
- How long does it take to convert FB2 to MOBI?Most conversions from FB2 to MOBI take just a few seconds — even for larger files.
- Can I upload more than one FB2 file?Yes, batch conversion is supported. You can convert multiple FB2 files to MOBI at once — fast and easy.
- What browsers support FB2 to MOBI conversion?All modern browsers! Chrome, Firefox, Safari, Edge — AnyConv runs online and supports converting FB2 to MOBI on any platform.