How do I open an FB2 file online?

Upload your .fb2 file to ReadLoudly's free FB2 reader. FictionBook files open instantly in your browser — no special software needed. Read or listen with AI text-to-speech.

FB2 (FictionBook 2) is an XML-based ebook format popular in Russia and Eastern Europe. It is commonly used for fiction and literature. ReadLoudly supports FB2 files with full text-to-speech narration.

Can ReadLoudly read FB2 books in Russian and other Cyrillic languages?

Yes. FB2 files are frequently Russian-language, and ReadLoudly has native Russian voices along with 40+ other languages. The voice picker filters to the languages that match your book.

Does the FB2 reader keep chapter structure?

Yes. FB2 stores chapters as structured XML, so ReadLoudly builds a real table of contents from it. You can jump between chapters and the playback position is remembered per chapter.

Is the FB2 reader free to use?

Yes. Reading and listening to FB2 files is free, with no account required to start and no watermark on anything. Paid plans — Core at $5/month, Plus at $10/month, Pro at $19/month — raise the upload size limit, unlock all 1200+ AI voices, add MP3 downloads and offline listening, and remove ads.

Does ReadLoudly support FB2 as well as other formats?

Yes — FB2 is fully supported on this page, and it is one of 24 formats ReadLoudly reads aloud: documents (PDF, DOCX, ODT, RTF), ebooks (EPUB, MOBI, AZW, FB2, CHM, LRF, LIT, PDB, RB), text and web files (TXT, HTML), comics (CBR, CBZ), and images (via OCR) (JPG, PNG, GIF, BMP, WEBP, TIFF, SVG). Upload an FB2 file here and it opens straight away; any other format on that list has its own reader page.

Can I open FB2 files on my phone or tablet?

Yes. This reader runs in the mobile browser on iOS and Android — nothing to install — so you can open an FB2 file straight from your phone's Files app, an email attachment or a cloud drive. Playback continues in the background, and your position syncs to any other device you sign in on.

What happens to my FB2 file after I upload it?

It is parsed to extract its text, then removed from the processing servers. ReadLoudly does not train models on your files, does not share them with third parties, and does not make them visible to anyone else. Signed-in users can choose to keep an FB2 file in their own private library; a guest upload is discarded when the session ends.

What exactly is an FB2 file?

FB2 is FictionBook 2, an XML-based ebook format widely used for fiction in Russia and Eastern Europe. ReadLoudly opens it directly in the browser, so you do not need the original software that created it.

What if my file is not an FB2?

Every format gets its own reader page rather than being funnelled into one generic uploader, so nothing loses its format-specific handling. Nearest neighbours to FB2 among ReadLoudly's ebooks: CHM, LRF, LIT, PDB. The Tools page lists all of them.

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Listen to your FB2 files like audiobooks, chat with content, track progress, highlight key points, and save bookmarks — all in one place.

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ReadLoudly text to speech reader: pasted text on the left, the spoken text with highlighting on the right, voice, speed and pitch controls above and a play bar below — Press **Listen** and your text opens in the ReadLoudly reader — pick a voice, set the speed, follow the highlighted words. Free, no signup.

Click to upload, or drag and drop

FB2 files files up to 50MB each

Supported formats: FB2 files

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How to listen to your FB2 files.

Listening to your FB2 files hands-free is simple with ReadLoudly.

Upload Your File

Upload the FB2 files you want to listen to.

Choose Your Page

Open your file and jump to the page you want to hear.

Press Play & Listen

Hit play and let ReadLoudly read it aloud—hands-free.

What is FB2 Format?

FB2 (FictionBook) is an XML-based eBook format popular in Russia and Eastern Europe. It stores book metadata, structure, and content in a single file with excellent support for fiction formatting — chapters, epigraphs, poems, and annotations.

ReadLoudly's FB2 reader opens these files in your browser and reads them aloud with AI voices. Access your FictionBook library from any device without specialized software.

Who uses FB2 files?

Russian-language readers — the dominant eBook format in Russian digital libraries
Fiction enthusiasts — excellent support for literary formatting
Digital library users — many free eBook archives distribute in FB2