Convert FB2 to 4 (Man Page)
Convert FB2 ebook documents to 4 format online and free.
Choose any FB2 ebook document from your computer, or drag & drop a FB2 file onto this page.
For advanced customized conversion, use FB2 to 4 tools and click Convert.
Let the file convert, then you can download your 4 file right afterward.
To change FB2 format to 4, upload your FB2 file to proceed to the preview page. Use any available tools if you want to edit and manipulate your FB2 file. Click on the convert button and wait for the convert to complete. Download the converted 4 file afterward.