To convert these files to EPUB for use on non-Kindle devices, you must first remove the DRM protection. Below are the most effective methods to handle this conversion in 2026. Method 1: Using Calibre (The Most Popular Free Method)
: Some books with "fixed layouts" (like textbooks or comics) may not convert cleanly to EPUB. In these cases, the plugins might fail, or the resulting EPUB may have broken formatting. convert kfx-zip to epub
Update your plugins and ensure your Kindle's serial number is entered in the DeDRM plugin configuration. To convert these files to EPUB for use