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What is a MOBI file?
File extension
.mobi
Category
E-book file formats
Developed by
Mobipocket, now Amazon
Mime type
application/x-mobipocket-ebook
Format description
MOBI is a Mobipocket e-book file. Even though it was originally made for the Mobipocker Reader for PDAs (now defunct), it is supported by other e-book readers. MOBI is specifically designed for low-bandwidth mobile devices. In addition to storing the contents of digital books, MOBI files may include bookmarks and DRM protection. The latter prevents creating unauthorized copies of the book and acts as copyright protection.
Common questions about MOBI conversions
How to open a MOBI file?
If you don't know how to view a MOBI file, you can convert it to another format you already recognize. You can use MConverter for the conversion.
Can I convert MOBI files in bulk?
Yes, MConverter supports batch converting of multiple MOBI files at once. You can even drag and drop folders containing MOBIs. Pasting MOBI files and folders copied in the clipboard also works: use Ctrl+V.
Can I convert a MOBI file, if its size is 10 GB?
Yes, with MConverter Max you can convert big MOBIs, up to 10 gigabytes each. The free version lets you convert files up to 100 MB. If you need to convert MOBI files over 100 megabytes, try MConverter Max. If your files aren’t over 1 GB, then you can use MConverter Plus instead, as it’s cheaper.
Is converting MOBIs safe with MConverter?
For cloud-based conversions, MConverter encrypts your MOBI files using the latest technologies, such as TLS 1.3 and HSTS. They are transmitted securely to our cloud service provider’s EU-based data center, which holds internationally recognized ISO 27001 and SOC 2 certifications. There, each conversion is processed in a separate, isolated environment. This technique further reduces the risk of a malicious file impacting other conversions. Four hours after the conversion is complete, your files are automatically deleted from MConverter’s systems. You can also permanently delete your MOBIs and other converted files immediately after finishing the conversion with the trash icon. When converting on-device, your files never leave your device. MConverter processes them locally. Note: on-device conversions are not yet available for some hardware-intensive formats. For both cloud and on-device conversions, your files are never scanned or shared with third parties for marketing purposes. Join thousands who have trusted MConverter to process over 18,026,728 files so far.
How long does it take to convert MOBI?
For most e-books, the wait is normally a few minutes. However, MConverter also supports converting larger e-books, meaning that it could take a while (up to over an hour, for example).
MOBI Converter Rating
4.9
3727 votes
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