MOBI to EPUB
Moving away from Kindle, or just want to read a MOBI book in Apple Books, Kobo, or another app? Those readers need EPUB, not MOBI. FluidConvert converts MOBI to the universal EPUB format right in your browser — free, no account, no software to install.
Drop your file here, or browse
Accepts: application/x-mobipocket-ebook, .mobi · Max 1GB · always free
Your files are encrypted with TLS and automatically deleted after conversion.
Simply upload your .MOBI file and we'll convert it to .EPUB format — fast, free, and secure.
Fast & Free
Convert files up to 1GB completely free. No account, no limits.
Secure
Files are encrypted and automatically deleted after conversion.
High Quality
Industry-leading conversion with no quality loss.
How to Convert MOBI to EPUB
Upload Your File
Click the upload area above or drag and drop your .MOBI file. We support files up to 1GB, completely free.
Choose Output Format
Select .EPUB as your target format. Adjust any conversion settings if needed.
Download Your File
Click Convert Now and wait a few seconds. Once complete, download your converted file instantly.
About MOBI to EPUB
Why convert MOBI to EPUB
MOBI is Amazon's older Kindle format, and it doesn't open in most non-Kindle apps. EPUB is the open industry standard supported by Apple Books, Kobo, Nook, Google Play Books, and nearly every reading app. Converting MOBI to EPUB frees a book from the Kindle ecosystem so you can read it wherever you prefer — handy when switching e-readers or consolidating a mixed library into one app.
EPUB is the most compatible format
If you want one ebook format that works almost everywhere, it's EPUB. Standardizing your books to EPUB means a single library that opens on phones, tablets, and dedicated readers without per-device fiddling. The main exception is older Kindles, which want MOBI — for everything else, EPUB is the safe, universal choice.
What carries over
MOBI and EPUB are both reflowable formats, so the text adapts to any screen and your chosen font. Converting between them preserves chapters, paragraph flow, and navigation, keeping the reading experience consistent. This works on DRM-free books; books locked with DRM can't be converted.
How FluidConvert handles it
Your ebook converts on secure cloud servers in seconds, preserving chapters and text. Files are encrypted in transit and deleted automatically afterward — your library stays private.
Common reasons to convert MOBI to EPUB
- Reading an old Kindle MOBI book in Apple Books or Kobo
- Switching from a Kindle to another e-reader and bringing your books along
- Consolidating a mixed ebook library into the universal EPUB format
- Opening a MOBI personal document in a non-Kindle reading app
- Future-proofing books in the widely-supported EPUB standard
Frequently Asked Questions
Why won't my MOBI file open in Apple Books or Kobo?
MOBI is Amazon's Kindle format, and most non-Kindle apps don't support it. Converting to EPUB — the open standard those apps use — lets the book open and display correctly.
Will chapters and formatting survive the conversion?
Yes. MOBI and EPUB are both reflowable ebook formats, so chapters, navigation, and text flow carry over cleanly and the reading experience stays consistent.
Can I convert a Kindle book protected by DRM?
No. DRM-protected books are locked and can't be converted. This works on DRM-free MOBI files, such as personal documents and public-domain or unencrypted titles.
Is EPUB really more compatible than MOBI?
Yes. EPUB is supported by Apple Books, Kobo, Nook, Google Play Books, and almost every reading app, while MOBI is largely Kindle-only. EPUB is the better choice for a library you read across different apps and devices.
How large an ebook can I convert?
Up to 1GB per file, free and unlimited — more than enough for any book, including illustrated ones.