Free online FB2 to PNG converter

Source format

FB2 is the FictionBook 2.0 e-book format, an XML-based format designed for storing structured books with rich metadata, chapters, paragraphs, and basic formatting. It is widely used in Russian-language e-book collections and by readers who want a lightweight, well-structured ebook file. FB2 is common for novels, reference books, and other text-heavy publications.

Target format

PNG is a lossless raster image format. It is best known for preserving sharp text and graphics without compression artifacts, supporting transparency, and producing reliable images for screenshots, illustrations, and page previews. In a conversion from FB2 to PNG, each page or rendered view of the ebook is typically turned into an image.

How to perform the conversion

The most practical way to convert FB2 to PNG is to first render the ebook into pages and then export those pages as images. Because FB2 is a text-based ebook, the conversion is usually done through an ebook reader or document conversion tool that can open FB2 and save pages as image files.

1. Open the FB2 file in software that supports the format, such as Calibre, FBReader, or another ebook viewer/editor.
2. Render the book at the desired page size. The output PNGs will reflect the current layout, font size, margins, and screen/page dimensions.
3. Export or capture pages as images. Some tools can directly export pages; others may require printing to a virtual PDF first and then converting pages to PNG.
4. If using Calibre, you can convert FB2 to a paginated format first, then export images from the rendered pages. For example, open the book and use Convert books to create a layout-friendly intermediate format such as PDF or EPUB, then render pages to PNG with an image-capable tool.
5. If you need a command-line workflow, a common approach is to convert FB2 to PDF with Calibre or Pandoc first, then rasterize the PDF pages to PNG using a tool such as ImageMagick or pdftoppm. Example filenames might be book.fb2 and output images like page-1.png, page-2.png.

You can also convert the file on 101convert.com for free, without installing any software, if the site supports this conversion path.

Notes on quality and limitations

FB2 to PNG is not a true document-to-document conversion; it is a text-to-image rendering process. That means the result depends heavily on the chosen font, page size, margins, and rendering engine. A larger page size or higher resolution will produce sharper PNGs, but also larger files.

Because PNG is an image format, the output is not editable as text and cannot reflow like an ebook. Long books may produce many image files, one per page, which can be inconvenient for storage and sharing. If the goal is reading or editing, a text-based ebook format such as EPUB or PDF is usually more suitable; PNG is best when you need page snapshots, previews, or fixed-layout images.