Editing an EPUB after converting from PDF can be tricky, but it’s totally doable with the right tools. I usually start by opening the EPUB file in Calibre, which is a fantastic ebook management tool. From there, I use the built-in editor to fix formatting issues, adjust fonts, or tweak the layout. Sometimes, the conversion messes up paragraph breaks or images, so I manually correct those. If the file is really messy, I might extract the HTML and CSS files using Sigil, a dedicated EPUB editor, and clean up the code directly. It’s a bit technical, but it gives me full control over the final look of the book. For minor edits, like fixing typos or adding bookmarks, I sometimes use EPUBee or online tools, but they’re not as powerful as Calibre or Sigil.