Does Kindle Use Epub Or Mobi

Amazon kindle changing from mobi to epub

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Amazon has long been the odd man out in the globe of ebook files for their requirement of MOBI files. All other platforms use EPUB. But yesterday, Amazon sent out emails to authors to let them know that they take finally listened: to simplify the uploading process, they will brainstorm using EPUB files on June 28, 2021. You won't take to worry about irresolute your existing files, unless yous upload a new version, but for all new books and any updates, you lot'll desire to brand certain you have an EPUB handy.

What This Means for Authors

If your books are wide, this will hateful less work for yous, but if your books are solely on Amazon, y'all'll accept to change upwardly the way yous create your file. But doing then is usually every bit like shooting fish in a barrel as changing a setting in your ebook creation software. There will likely exist a brusque learning period, but we recall this is a good direction for everyone.

Authors who take movie books and other stock-still format MOBI files volition still be able to continue using and creating MOBI files. This is good news because MOBI does create a better stock-still format volume than the older EPUB files accepted past some retailers. (Once all retailers update to the newest EPUB format, this shouldn't be an issue, because newer EPUB file are capable of cute stock-still format books.)

Amazon is also still accepting KPF (Kindle Create files) and Dr./DOCX (Microsoft Word files), along with other not recommended formats (HTML, RTF, TXT, and PDF). Note: we recommend creating your ebook with EPUB or KPF so y'all have more than control over the final product, rather than uploading i of these other file formats.

What Happens on the Kindle Side

Fifty-fifty though Amazon is now accepting EPUB files instead of MOBI files from authors, Amazon will withal exist delivering MOBI files to Kindles. This ways that the EPUB file will be converted by Amazon on the backend into a MOBI file. Because of this conversion, information technology's important to double-bank check your ebook in Kindle Previewer 3 to be sure everything looks correct after it is converted.

How Does This Touch on Subscriber Magnets?

Another implication of this is that although y'all, the author, may be uploading an EPUB to Amazon, if y'all want to offer a book on a separate website, such equally for a subscriber magnet, you lot'll still need to provide the MOBI file to readers, so they can sideload it onto their Kindle. So this change may end upwardly making offering subscriber magnets a bit more work (although if your book is only on Amazon, it likely is in KDP Select, which means yous tin't offer it as a subscriber magnet anyway, unless it'due south simply a sample), but perhaps future Kindles will alter to using the EPUB format. Time will tell!

Let us know if you have any questions in the comments below.

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Catia Shattuck

I am a copyeditor and a typesetter of print books, and have been editing and typesetting (using InDesign) for twelve years. Every bit the executive editor at Book Cave, I savour helping authors be successful, and I only get interrupted a lilliputian bit (ha!) past my cute, rambunctious i-year-erstwhile.