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How to Convert ePub to MOBI with Online & Offline Methods

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"I have some ePub books in my laptop. I want to read them in my Kindle so I want to convert ePub to MOBI. If you guys know any other tool to convert ePub into MOBI, I would love to know about it."

- From Reddit

As we know, ePub and MOBI are two formats for electronic books. Even though they are common in our lives and works, do you know how to convert ePub to MOBI? Sometimes, some devices like Kindle, supports MOBI but not ePub. If you want to read the file on such a device, the conversion will be necessary.

epub to mobi

 

Part 1. What Is ePub & MOBI?

1.1 What Is ePub & MOBI?

EPUB (Electronic Publication) and MOBI (Mobipocket) are both formats for electronic books (eBooks). EPUB is a more universal and open standard and works well on more platforms, while MOBI is more focused on Amazon's Kindle platform. Here are some differences between them:

EPUB

  • Anyone can use the ePub standard to create and distribute EPUB files.
  • EPUB uses an XML-based markup language to define content.
  • It supports adaptive layout, automatically adjusting the presentation of content according to screen sizes and resolutions.
  • It supports both DRM and non-DRM versions.

MOBI

  • It is a proprietary format created by Mobipocket, resulting in some limitations on its usage.
  • The MOBI format is mainly compatible with Amazon's Kindle e-book reader.
  • This format is relatively simpler, using a binary format instead of XML, as used in EPUB.
  • MOBI supports embedding HTML tags, allowing some books to include richer formatting and content.

1.2 Why Do You Need to Convert ePub to MOBI?

  • If you own a Kindle or other readers that support MOBI but not ePub, you may need to convert EPUB-formatted e-books to MOBI.
  • You need to convert EPUB to MOBI when you plan to publish your own e-book through Kindle.

Part 2. How to Change ePub to MOBI with Offline Tools

Some effective conversion tools and e-book management software can help you convert ePub to MOBI easily. Then the converted files can be displayed and read correctly on your target device.

Tool 1. Kindle Previewer

Kindle Previewer is a free desktop application, developed by Amazon. With Kindle Previewer, you can transform your EPUB files to MOBI, and export the MOBI files with ease. If you are a publisher, this tool will help you make your e-books meet the requirements of Kindle.

The steps to convert an ePub file to MOBI using this software are as follows:

1. Download and install Kindle Previewer.

2. Open Kindle Previewer, click the "Open book" button, and select the ePub file you want to convert.

3. Kindle Previewer will automatically start the conversion and display a preview of the results.

4. After conversion, you can select "Export" from the menu in the upper-left corner to save the converted MOBI file to your computer.

5. Copy the MOBI file to the "documents" directory of your Kindle device or app, and you can start reading.

Tool 2. Calibre

You can use the open-source program Calibre to convert ePub to MOBI. It supports multiple file formats like PDF, ePub, MOBI, and more. Plus, you can use it to add covers to e-books, which is suitable for those e-book enthusiasts and publishers.

To convert an ePub file to a MOBI file using Calibre, you can follow these steps:

1. Install and open the Calibre software, click "Add books" on the upper-left corner, and select the ePub file you want to convert.

2. Click "Convert books", then configure the various properties of the profile, and choose "Output format" as MOBI.

3. After the conversion, tap "MOBI" next to the "Format" option on the right side of the software to view the converted MOBI file.

Tip: The path of all e-books from the Calibre Library: C:\Users\Administrator\Calibre Library

Part 3. How to Convert ePub to MOBI with Online Tools

Online tools can help you complete the conversion from EPUB to MOBI without installing any apps on your device. What it needs is the steady network. They are ideal for temporary, small-scale conversion needs. You can make a decision based on their pros and cons.

Online tools have several advantages:

  • No need to download additional software.
  • Faster processing speed.
  • Free trial usage for temporary needs.

However, online tools also have some drawbacks:

  • Not friendly for large files.
  • May not be suitable for processing too many files for free users.
  • Not suitable for confidential files.

Site 1. ACONVERT

URL: www.aconvert.com/ebook/epub-to-mobi

Conversion Effectiveness Rating: ★★★☆☆

Possible Formatting Errors: Yes

Advertisements: Yes

Upload Sources: Local, URL

Configurable Parameters: "Embed fonts", "Base font size", "Margin", "Metadata", and "Cover image"

Free Concurrent Tasks for Free Usage: 1

Maximum Number of Uploaded Files: 10

Maximum File Size for Processing: 40MB

Special Feature: "QUICK CONVERSION" function (Quickly start conversion by selecting source file and target format without entering the directory)

Price: Free

Site 2. CloudConvert

URL: cloudconvert.com/epub-to-mobi

Conversion Effectiveness Rating: ★★★☆☆

Possible Formatting Errors: Yes

Advertisements: No

Upload Sources: Local, URL, Google Drive, Dropbox

Configurable Parameters: None

Free Concurrent Tasks for Free Usage: 5

Maximum Number of Uploaded Files: 25

Maximum File Size for Processing: 100MB

Special Feature: Batch task processing; provides API

Price:(Different prices for credits based on the quantity purchased)

  • PACKAGE: $17.00 ($0.0170/credit)
  • SUBSCRIPTION: $9.00/month ($0.0090/credit)

Site 3. FreeConvert

URL: www.freeconvert.com/epub-to-mobi

Conversion Effectiveness Rating: ★★★★☆

Possible Formatting Errors: Yes

Advertisements: Yes

Upload Sources: Local, URL, Google Drive, Dropbox

Configurable Parameters: "Optimize for e-book reader", "Heuristic processing", etc.

Free Concurrent Tasks for Free Usage: 1

Maximum Number of Uploaded Files: 10

Maximum File Size for Processing: 1GB

Special Feature: Can optimize files specifically for certain Kindle models; provides API

Price:

  • Basic: $9.99/month
  • 24-h Pass: $12.99/one time
  • Standard: $14.99/month
  • Pro: $25.99/month

Site 4. EPUB2MOBI

URL: epubto.mobi

Conversion Effectiveness Rating: ★★★☆☆

Possible Formatting Errors: Yes

Advertisements: Yes

Upload Sources: Local

Configurable Parameters: None

Free Concurrent Tasks for Free Usage: Unlimited

Maximum Number of Uploaded Files: 10

Maximum File Size for Processing: 100MB/file

Special Feature: Free

Price: Free.

Tip for the Opposite: How to Convert MOBI to ePub in Coolmuster ePub Converter

Coolmuster ePub Converter is a professional e-book conversion tool that supports various formats such as EPUB, MOBI, PDF, TXT, etc. It features an intuitive user interface and batch conversion capabilities. Its main advantage lies in preserving the original format and quality, ensuring compatibility of the converted e-books on various devices and reading platforms. You can easily use this software to convert e-book files from ePub to MOBI. Whether online or offline, you can use this ePub converter to convert files to ePub.

Key Features

  • Batch add up to 100 files at once and convert them to ePub format.
  • Supports over 5 popular formats (such as .mobi, .doc, .pdf, .html, .txt, etc.).
  • Retains the original text, images, graphics, etc., in ePub e-books without any loss.
  • Compatible with almost all popular portable devices, including iPad, iPhone, iPod touch, Nook Tablet, Surface, PSP, Sony Reader, etc.
  • Converts a 500-page document to an ePub e-book in less than 1 minute.

To achieve the conversion from MOBI to ePub using this tool, follow these steps:

01Download, install, and run the software, then choose the conversion type. You will see five different conversion types to choose from: HTML to ePub, PDF to ePub, MOBI to ePub, Text to ePub, and Word to ePub. Choose "MOBI to ePub" option.

convert mobi to epub

02Click "Add File/Folder" to import the files.

add a file

03Click the "Browse" button to select the output folder. Then click "Start" to begin the conversion, and once completed, you can find your converted files in the specified folder.

conversion completed

Summing Up

ePub and MOBI are two different e-book formats, each with its own pros and cons. When you need to convert ePub to MOBI, you can use the methods in this guide, like Kindle Previewer, Cilbre, and more. By the way, if you want to change MOBI into ePub, you can use Coolmuster ePub Converter, a one-stop conversion tool.

Related Articles:

How to Read MOBI Books on iPhone/iPad by Converting MOBI to ePub?

Unlocking Compatibility: How to Convert MOBI to ePub for Any eReader

Editing ePub eBooks Made Easy: Essential Techniques and Tips

Multimedia Magic: How to Enrich Your ePub with Audio and Video Elements

    Office Solutions     How to Convert ePub to MOBI with Online & Offline Methods
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