# Convert DOCX to FB2

> Convert DOCX to FB2 online for free. Runs entirely in your browser, so your files never leave your device. Fast batch conversion, no sign-up, no watermarks.

URL: https://www.converterrr.com/docx-to-fb2

- Runs in the browser with Pandoc (WASM): files are not uploaded, and no credits are used.
- Engines: Pandoc (WASM) (browser), Calibre (cloud), Pandoc (cloud).
- API: available. `POST /api/v1/jobs` with `"output_format": "fb2"` (paid plans).
- More: [Document converter](https://www.converterrr.com/document-converter), [DOCX converter](https://www.converterrr.com/docx-converter), [Compress DOCX](https://www.converterrr.com/compress-docx).

## How to convert DOCX to FB2

1. **Add your DOCX files.** Drag and drop DOCX files onto the converter, paste them, or click to browse. You can add several at once.
2. **Choose FB2.** FB2 is already selected. Open Options if you want to change quality, size or metadata.
3. **Convert.** Click Convert. Your files are converted right in your browser in seconds.
4. **Download your FB2.** Download each FB2 file, or everything at once as a ZIP.

## Good to know

- FB2 reflows to any screen size, with chapters and table of contents kept where the source has them.
- DOCX files are typically used for editable documents in Word, Google Docs and Pages, while FB2 is best for e-book libraries and readers like FBReader.
- This conversion runs on Pandoc (WASM), running locally in your browser — nothing is uploaded and it works even on slow connections.

## DOCX vs FB2

|  | DOCX | FB2 |
| --- | --- | --- |
| Full name | Microsoft Word Document | FictionBook |
| Type | Document | eBook |
| Extensions | .docx | .fb2 |
| MIME type | application/vnd.openxmlformats-officedocument.wordprocessingml.document | application/x-fictionbook+xml |
| Best for | editable documents in Word, Google Docs and Pages | e-book libraries and readers like FBReader |
| Properties | open standard | open standard |

**DOCX:** DOCX is the modern Microsoft Word format, an XML-based package that stores text, styles, tables and images.

**FB2:** FB2 (FictionBook) is an XML-based e-book format popular in Russia and Eastern Europe.

The other way around: [convert FB2 to DOCX](https://www.converterrr.com/fb2-to-docx).

## Related conversions

- [FB2 to DOCX](https://www.converterrr.com/fb2-to-docx) (in the browser)
- [DOCX to PDF](https://www.converterrr.com/docx-to-pdf) (cloud)
- [PDF to FB2](https://www.converterrr.com/pdf-to-fb2) (cloud)
- [DOCX to EPUB](https://www.converterrr.com/docx-to-epub) (in the browser)
- [DOCX to TXT](https://www.converterrr.com/docx-to-txt) (in the browser)
- [EPUB to FB2](https://www.converterrr.com/epub-to-fb2) (in the browser)
- [DOCX to DOC](https://www.converterrr.com/docx-to-doc) (cloud)
- [CSV to FB2](https://www.converterrr.com/csv-to-fb2) (in the browser)
- [DOCX to HTML](https://www.converterrr.com/docx-to-html) (in the browser)
- [TXT to FB2](https://www.converterrr.com/txt-to-fb2) (in the browser)
- [DOCX to Markdown](https://www.converterrr.com/docx-to-md) (in the browser)
- [MOBI to FB2](https://www.converterrr.com/mobi-to-fb2) (cloud)

## Convert DOCX to other formats

[DOCX to PDF](https://www.converterrr.com/docx-to-pdf), [DOCX to EPUB](https://www.converterrr.com/docx-to-epub), [DOCX to TXT](https://www.converterrr.com/docx-to-txt), [DOCX to DOC](https://www.converterrr.com/docx-to-doc), [DOCX to HTML](https://www.converterrr.com/docx-to-html), [DOCX to Markdown](https://www.converterrr.com/docx-to-md), [DOCX to MOBI](https://www.converterrr.com/docx-to-mobi), [DOCX to AZW3](https://www.converterrr.com/docx-to-azw3), [DOCX to ODT](https://www.converterrr.com/docx-to-odt), [DOCX to RTF](https://www.converterrr.com/docx-to-rtf), [DOCX to LaTeX](https://www.converterrr.com/docx-to-tex), [DOCX to IPYNB](https://www.converterrr.com/docx-to-ipynb), [DOCX to reST](https://www.converterrr.com/docx-to-rst), [DOCX to Typst](https://www.converterrr.com/docx-to-typ), [DOCX to AsciiDoc](https://www.converterrr.com/docx-to-adoc), [DOCX to Org](https://www.converterrr.com/docx-to-org), [DOCX to MediaWiki](https://www.converterrr.com/docx-to-wiki), [DOCX to OPML](https://www.converterrr.com/docx-to-opml), [DOCX to DocBook](https://www.converterrr.com/docx-to-docbook), [DOCX to LIT](https://www.converterrr.com/docx-to-lit), [DOCX to Textile](https://www.converterrr.com/docx-to-textile), [DOCX to PDB](https://www.converterrr.com/docx-to-pdb), [DOCX to JATS](https://www.converterrr.com/docx-to-jats), [DOCX to Man](https://www.converterrr.com/docx-to-man)

## Convert other formats to FB2

[PDF to FB2](https://www.converterrr.com/pdf-to-fb2), [EPUB to FB2](https://www.converterrr.com/epub-to-fb2), [CSV to FB2](https://www.converterrr.com/csv-to-fb2), [TXT to FB2](https://www.converterrr.com/txt-to-fb2), [MOBI to FB2](https://www.converterrr.com/mobi-to-fb2), [HTML to FB2](https://www.converterrr.com/html-to-fb2), [Markdown to FB2](https://www.converterrr.com/md-to-fb2), [AZW3 to FB2](https://www.converterrr.com/azw3-to-fb2), [ODT to FB2](https://www.converterrr.com/odt-to-fb2), [RTF to FB2](https://www.converterrr.com/rtf-to-fb2), [LaTeX to FB2](https://www.converterrr.com/tex-to-fb2), [IPYNB to FB2](https://www.converterrr.com/ipynb-to-fb2), [CBZ to FB2](https://www.converterrr.com/cbz-to-fb2), [CBR to FB2](https://www.converterrr.com/cbr-to-fb2), [AZW to FB2](https://www.converterrr.com/azw-to-fb2), [TSV to FB2](https://www.converterrr.com/tsv-to-fb2), [reST to FB2](https://www.converterrr.com/rst-to-fb2), [Typst to FB2](https://www.converterrr.com/typ-to-fb2), [Org to FB2](https://www.converterrr.com/org-to-fb2), [MediaWiki to FB2](https://www.converterrr.com/wiki-to-fb2), [OPML to FB2](https://www.converterrr.com/opml-to-fb2), [LIT to FB2](https://www.converterrr.com/lit-to-fb2), [DocBook to FB2](https://www.converterrr.com/docbook-to-fb2), [PDB to FB2](https://www.converterrr.com/pdb-to-fb2)

## DOCX to FB2: frequently asked questions

### How do I convert DOCX to FB2?

Drop your DOCX file onto the converter above, make sure FB2 is selected, and click Convert. When it's done, download the FB2 file — it usually takes a few seconds.

### Is it safe to convert DOCX to FB2 here?

Yes. DOCX to FB2 conversion happens entirely inside your browser using WebAssembly, so your file is never uploaded to any server.

### Is the DOCX to FB2 converter free?

Yes — free with no watermark. Signed-out visitors can convert 25 files a day, and a free account raises that to 250.

### Will converting DOCX to FB2 reduce quality?

No — FB2 preserves the content of your DOCX file as faithfully as the format allows.

### Can I convert multiple DOCX files at once?

Yes. Add up to 5 files at a time without an account, 10 with a free account and up to 500 on paid plans, then download them individually or as a single ZIP.

### Can I convert FB2 back to DOCX?

Yes — use our FB2 to DOCX converter. Note that converting back and forth between formats can't recover detail lost to lossy compression.