Online EPUB converter
Choose file to convert
Our handy online tool makes it a cinch to convert your books into the epub file format.
How to convert a epub file?
Step 1
Upload an-file
You can select the file you wish to convert from your computer, Google Drive, Dropbox or just drag and drop it onto the page.
Step 2
Select «to epub»
Choose epub or any other of the 200+ supported formats that you wish to convert to.
Step 3
Download your epub file
Please wait for the conversion to be completed, then click on the download button to get your converted file in the epub format.
Best epub converter tool
Converting epub is fast and easy
Just drag and drop your epub files onto the webpage, and you'll have the capability to convert them over 250 different file formats, all without the need to register, provide an email address, or include a watermark.
Safe epub Conversion
Immediately upon uploading your epub files, we delete them without delay. Converted files are then removed after 24 hours. Additionally, we ensure that all file transfers are secure through advanced SSL encryption.
No Software Installation Required
There's no need to go through the inconvenience of installing any software. We conveniently handle all epub to {format2} conversions in the cloud, which implies that none of your computer's resources will be consumed in the process.
Electronic Publication
| Extension | .epub |
| Category | 🔵 books |
| Programs | 🔵 FBReader 🔵 Sumatra PDF 🔵 CoolReader 🔵 STDU Viewer 🔵 Calibre 🔵 Adobe Digital Editions 🔵 Sony reader 🔵 Comic Book Reader 🔵 QuarkXPress |
| Description | 🔵 Let's be real: an EPUB is just a website masquerading as a book. While a PDF is a rigid digital fossil that refuses to move, the EPUB is 'reflowable.' It actually gives a damn about what device you’re using, reshuffling the text to look just as good on a tiny phone screen as it does on a massive tablet. Since the 3.2 update, it’s been running on a backbone of HTML5 and CSS3, which is why it can finally handle tricky stuff like vertical Japanese scripts or embedded video without breaking a sweat. |
| Technical details | 🔵 If you’re curious enough to swap the .epub extension to .zip, you’ll see the 'guts' of the whole operation. It’s not one single file; it’s a packed container full of XML metadata, CSS stylesheets, and content files. This web-based DNA is exactly why it’s the gold standard for accessibility—unlike a flat image, screen readers can actually make sense of the text. The format also leans on SVG for graphics, ensuring that illustrations don't turn into a pixelated mess when you zoom in. Sure, you’ll often run into DRM locks on retail books, but the format itself is an open, evolving beast. The best part? It’s backward compatible. You can take an old-school EPUB 2 file and throw it onto a modern e-reader, and it’ll still work perfectly. It’s that mix of universal support and 'under-the-hood' simplicity that makes it the undisputed king of digital reading. It’s also surprisingly flexible with graphics, using SVG to keep illustrations sharp regardless of how much you zoom in. Even though retailers often slap a layer of DRM on top to lock things down, the underlying engine remains an open, evolving standard. Whether it’s an old EPUB 2 file running on a legacy e-reader or a modern multimedia-heavy book on Apple Books, the format’s backward compatibility is what keeps the digital publishing industry from falling apart. |
| Developer | 🔵 nternational Digital Publishing Forum (IDPF) |
| MIME type | 🔵 application/epub+zip |