EPUB to MOBI: No Longer Needed
Amazon deprecated MOBI in 2022. You can now send EPUB files directly to your Kindle. Use our tool to prepare your EPUBs with clean metadata for the best Kindle experience.
MOBI Is Deprecated
As of late 2022, Amazon no longer accepts MOBI files sent via email to Kindle. The Send to Kindle service now supports EPUB natively, making MOBI conversion unnecessary.
Why EPUB to MOBI Conversion Is Obsolete
For years, Kindle users had to convert their EPUB books to MOBI format before they could read them on their devices. Tools like Calibre became essential for managing e-book libraries and handling format conversions.
In 2022, Amazon made a significant change: the Send to Kindle service began accepting EPUB files directly. At the same time, Amazon stopped accepting MOBI files sent via email. This effectively made EPUB the universal standard for Kindle delivery.
What You Should Do Instead
Instead of converting EPUB to MOBI, simply prepare your EPUB for Kindle by ensuring it has:
- Correct metadata — Title and author should be accurate so your Kindle library stays organized
- Valid EPUB structure — A properly structured EPUB renders better on Kindle devices
- Cover image — Books with cover images look professional in your Kindle library
Our tool below does exactly this. Drop your EPUB, review and edit the metadata, then download a cleaned version ready for Send to Kindle.
Prepare Your EPUB for Kindle
Drop EPUB files here or browse
Accepts .epub files · Batch supported
Processed Files
Send to Your Kindle
Method 1 — Email: Send the downloaded EPUB to your Kindle email address (found in Kindle Settings > My Account). Amazon now accepts EPUB files directly.
Method 2 — Send to Kindle App: Use Amazon's Send to Kindle desktop or web app to drag and drop your file.
Method 3 — USB: Connect your Kindle via USB and copy the file to the "documents" folder.
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EPUB vs MOBI: Quick Comparison
| Feature | EPUB | MOBI |
|---|---|---|
| Kindle Support | Fully supported | Deprecated |
| Send to Kindle (Email) | Accepted | No longer accepted |
| Typography | Advanced (CSS) | Basic |
| File Size | Smaller | Larger |
| Open Standard | Yes | No (Amazon proprietary) |
For a detailed comparison, read our EPUB vs MOBI guide.