Add your FB2 file
Drop one or more .fb2 files onto the converter above, or browse for them. They load into browser memory only — nothing is uploaded, so there is no size-based pricing and no server queue.
FB2 to MD
Converting a .fb2 ebook to .md carries the book's reading-order content into a different package. Free, private, and validated — the file never leaves your browser.
Private for supported formats — processed in your browser
Runs on your deviceConvert supported files
Drop FB2 files here
Batch files can each use a different output. Nothing uploads for local conversions.
Working inputs include camera RAW, browser-local audio/video, PDF, CBZ/CBR comics, office documents, ebooks, markup, 3D models, structured text, images, and archives.About converting FictionBook ebook to Markdown document
Converting a .fb2 ebook to .md carries the book's reading-order content into a different package. FictionBook 2.0, written to disk as .fb2, is an XML ebook format that describes a book's structure — chapters, epigraphs, poems, citations — rather than its visual appearance. Because everything including images lives in one XML document, an .fb2 file is easy to parse, validate, and transform.
A .md file is a Markdown document: plain text with lightweight conventions — # for headings, ** for bold, - for lists — that convert cleanly to HTML. It stays readable as raw text, which was the entire point of the design. For this route the practical draw is legible both raw and rendered and ideal for version control — diffs read like prose edits — balanced against dialect fragmentation: tables, footnotes, and highlights differ per flavor, which is worth knowing before you commit a large batch.
Why convert FB2 to MD?
The practical trigger for this conversion is usually a mismatch: with .fb2, base64-encoded images inflate the uncompressed size by roughly a third. Switching to .md buys you legible both raw and rendered, which is why it is the better fit for rEADME files and documentation in code repositories. Because the conversion runs locally, trying it costs nothing but a few seconds of compute on your own machine.
FB2 vs MD at a glance
| Aspect | FictionBook ebook (.fb2) | Markdown document (.md) |
|---|---|---|
| Format type | Text-based — characters and structure, so there is no visual quality loss | Text-based — characters and structure, so there is no visual quality loss |
| How it stores data | a single well-formed XML file; binary resources such as cover art are embedded as base64 inside binary elements | inline HTML is legal Markdown, providing an escape hatch for anything the lightweight syntax lacks |
| Strongest at | ebook distribution in Russia and Eastern Europe, where it is a native store format | rEADME files and documentation in code repositories |
| Weak spot | base64-encoded images inflate the uncompressed size by roughly a third | dialect fragmentation: tables, footnotes, and highlights differ per flavor |
Pick MD as the output
Select .md in the output menu next to each file. The menu only offers targets this engine can genuinely produce, so if MD is selectable, the route is real and validated.
Convert on your device
Press Convert. The book package is parsed in your browser in spine order; DRM-free files only, and nothing is uploaded.
Verify and download
Each result is signature-checked before the download unlocks, so a failed encode can never masquerade as a valid MD file. Outputs keep the original filename with the .md extension.
FB2 to MD questions, answered
Will converting FB2 to MD lose quality?
There is no visual quality to lose — fb2 is text-oriented and md is text-oriented, so the question is structural fidelity. Text, ordering, and basic structure are preserved; complex layout, embedded objects, and styling beyond the target's model are simplified.
Is it private to convert FB2 files here?
Yes — the .fb2 file is processed inside your browser tab and never uploaded. The book package is parsed in your browser in spine order; DRM-free files only, and nothing is uploaded. Close the tab and the file is gone from memory.
Where will the MD file work?
GitHub, GitLab, and most developer platforms render .md automatically, editors like VS Code preview it live, and every plain-text editor can modify it. Dedicated Markdown apps exist on all desktop and mobile platforms.
Will the MD file be bigger or smaller than my FB2?
It depends on the content: inline HTML is legal Markdown, providing an escape hatch for anything the lightweight syntax lacks. Convert one representative file first and compare before batch-processing a large set.
What happens to the metadata in my FB2 file?
In .fb2, a mandatory description block records title, authors, genres, language, translator, and publishing history in structured XML — richer than most rival ebook formats. Re-encoding through the browser pipeline does not carry embedded metadata into the output, which doubles as a privacy scrub — check the exported file if you specifically need tags preserved.