How to Convert ePub to Mobi

Convert your e-books so that they're easier to read in Kindle format

What to Know

  • Use an online e-book converter tool like EPUB Converter. Import your file and then select Convert to > MOBI > Convert.
  • Use a desktop MOBI converter like Calibre. Add the ePub file, edit its metadata, and select Convert books > Output format > MOBI.
  • Send the ePub book to your Kindle with an online tool like Send EPUB to Kindle, or install the Amazon Send to Kindle tool.

This article explains how to convert your e-books from ePub to MOBI format using an e-book converter online tool or a desktop MOBI converter. You can also send your ePub e-books directly to your Kindle reader.

How to Convert ePub to Kindle Book Format Online

EPUB Converter has a dedicated web page where you can convert ePub to Kindle easily. To use EPUB Converter to convert your ePub files to Kindle format:

  1. Go to the EPUB Converter website and select a file to convert.

    Select a file to convert.
  2. Select Convert to > MOBI, then select Convert.

Select Convert to > MOBI, then select Convert.

How to Use a MOBI Converter to Convert ePub to MOBI

Calibre converts ePub to MOBI, and it converts every e-book format into whatever e-book format you want. Plus, Calibre works on Windows, macOS, and Linux operating systems.

Here’s how to convert ePub to MOBI using Calibre:

  1. Download Calibre and install it on your computer.

  2. Open Calibre and select Add books.

    Select Add books to open the Select books dialog box.
  3. Open the folder containing the ePub file you want to convert, select the file, then select Open. The ePub file is added to the Calibre library.

  4. Select Edit metadata to open the Edit Metadata dialog box.

    Select Edit metadata to open the Edit Metadata dialog box.
  5. In the Change cover section, select an option to choose a different front cover for your MOBI ebook.

    In the Change cover section, select an option to choose a different front cover for your MOBI ebook.
  6. Modify the information in the Title, Author, Publisher, and Tags text boxes to fit your needs and make it easier for you to search your e-reader for the book.

    Modify information in the Title, Author, Publisher, and Tags text boxes to fit your needs and make it easier for you to search your e-reader for the book.
  7. Select OK to return to the Calibre library.

    Select OK to exit out of metadata editing
  8. Select Convert books to open the Convert dialog box.

    Select Convert books to open the Convert dialog box.
  9. Select the Output format drop-down menu and select MOBI.

    Select the Output format dropdown and select MOBI.
  10. Select OK to return to the Calibre library.

    Select OK to return to the Calibre library.
  11. Select Formats to expand the list, and then select MOBI to find the converted file.

    Select Formats > MOBI to find the converted file.
  12. Select the MOBI file, and then select Save to disk to save the MOBI file to your computer.

    Select the MOBI file and then select Save to disk to save the MOBI file to your computer.

How to Send ePub Files to Your Kindle Device

If you don't want to use an ePub-to-MOBI converter, send your ePub e-books directly to your Kindle reader. Several websites will manage this job for you. One option is to attach the ePub file to an email addressed to your Send to Kindle email address. Another option is to use an online service, such as Send EPUB to Kindle. There's also the Send to Kindle app, a standalone application for Windows and Mac.

How to Preview the MOBI Kindle Format

The Kindle Previewer shows how your MOBI file will look on a variety of devices, including tablets, phones, and e-readers. The Kindle Previewer will also automatically convert documents to MOBI. It's available for Windows and Mac.

To preview a MOBI file in the Kindle Previewer:

  1. Download Kindle Previewer and install it on your computer.

  2. Open Kindle Previewer and select File > Open Book.

    Select File > Open Book to open the Open Book dialog box.
  3. Select the MOBI file, then select Open. The file is converted to Kindle format.

  4. After the conversion is complete, a preview of the e-book appears in Kindle Previewer.

    The Kindle Previewer with a preview of a MOBI ebook


  5. Select the Device Type drop-down menu, then choose the type of device that will be used to read the file (Tablet, Phone, or Kindle E-Reader).

    Select the Device Type dropdown, then select the type of device that will be used to read the file; select Tablet, Phone, or Kindle E-Reader.
  6. Select the Orientation that will be used when reading the book, either portrait or landscape.

    Select the Orientation that will be used when reading the book, either Portrait or Landscape.
  7. Use the navigation arrows in the preview area to flip from page to page in the e-book.

    Use the navigation arrows in the preview area to flip from page to page in the ebook.
  8. When you're finished, select File > Close Book.

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