Convert PDFs to Mobi easily with 10 free online tools. These tools are user-friendly and allow for batch conversion, with features such as cloud storage, font retention, and scanned file conversion. Try them out to make your PDFs compatible with your Kindle.

In this digital age, users often encounter the need to convert PDFs, a widely accepted file format, to Mobi, an eBook format tailored for Kindle devices and other e-readers. The primary challenge arises when users want to enjoy a seamless reading experience on Kindle without compromising the original formatting. This article aims to address this common pain point by providing an experienced evaluation of various solutions to convert PDF files to Mobi format while maintaining quality and ease of use. With this guidance, you'll be better equipped to choose the right method to meet your specific needs.

Selective 10 Mobi to PDF Tools Review

This is the preview table we created after reviewing and summarizing the top five products. Continue reading if you want to know more.

Tool Name Pricing Functionality Output Quality Ease of Use Security
Cloudconvert Free and Paid ($8/month) ★★☆☆☆ ★★★★☆ ★★★★☆ ★★★★☆ (Guarantees safety for its users)
PDF to Mobi Free ★★★☆☆ ★★★☆☆ ★★★★★ ★★★★☆ (No need to have an account)
Zamzar Free ★★☆☆☆ ★★★★☆ ★★★★☆ ★★★★☆ (Files are sent to email to be downloaded)
Convertio Free ★★★★☆ ★★★★★ ★★★★☆ ★★★★★
Online-Convert Free ★★★☆☆ ★★★★☆ ★★★★☆ ★★★★☆ (Too many editing options and can be overwhelming)

1. Cloudconvert

  • Pricing: Free and Paid ($8/month)
  • Notable Features: Batch conversion, cloud storage, font retention

pdf to mobi_cloud convert

Cloudconvert is a versatile tool that allows for efficient management and conversion of files and eBooks, including PDF to Mobi conversion. This tool is designed to ensure data security and boasts powerful API integration, enabling files to be securely integrated into third-party sites.

CloudConvert's most prominent features include batch conversion capabilities, cloud storage options, and font retention. This tool's performance has been tested, showing a high output quality and ease of use. With a user-friendly interface and support for multiple file formats, CloudConvert has become a preferred choice for many users.

However, there are some limitations. The free version offers limited functionality, with a paid plan ($8/month) needed to access advanced features. Additionally, CloudConvert can struggle when converting larger or encrypted files, potentially resulting in slow processing times or failed conversions.


  • Guarantees safety for its users
  • Very easy to navigate


  • Exclusive to subscribers

2. PDF to Mobi

  • Pricing: Free
  • Notable Features: Batch conversion, no account required

pdf to mobi_pdf to mobi

PDF to Mobi is a free online tool that simplifies the process of converting PDF files to Mobi format. The platform does not require users to create an account, ensuring that the conversion process is quick and hassle-free.

The tool's most prominent features include its user-friendly interface, batch conversion capability, and the fact that no account is required. These practical features save users time and provide an efficient conversion experience.

However, PDF to Mobi has a limitation: converted files are saved as a zip file rather than directly as a Mobi file. This extra step may cause inconvenience for some users.


  • A friendly interface
  • Free and easy to use


  • It saves as a zip instead of directly as Mobi

3. Zamzar

  • Pricing: Free
  • Notable Features: Step-by-step guide, email delivery

pdf to mobi_zamzar

Zamzar is a user-friendly, free web-based tool designed to facilitate PDF to Mobi conversion, specifically catering to Kindle users. The platform supports over a thousand file conversion formats and provides a step-by-step guide to help users navigate the conversion process.

Some of Zamzar's most notable features include its straightforward conversion process, user-friendly interface, and email delivery of the converted files. By entering their email address, users can receive the Mobi file directly in their inbox, ensuring easy accessibility and convenience.

While Zamzar offers many advantages, it does come with some drawbacks. The primary limitation is that the converted files are sent to the user's email, requiring users to download the file from their email, which may not be ideal for everyone. Furthermore, the platform may struggle with larger files or more complex conversion tasks.


  • Information on usage is available
  • Friendly interface
  • Free to use


  • Files are sent to email to be downloaded

4. Convertio

  • Pricing: Free
  • Notable Features: Cloud storage, multiple conversion support

pdf to mobi_convertio

Convertio is a popular web-based tool that simplifies the process of converting PDF files to Mobi format. The platform's partnership with major companies like Google and Microsoft ensures the safety and security of users' files throughout the conversion process.

Convertio's most prominent features include its support for multiple file conversions, cloud storage options, and its user-friendly interface. The tool allows users to download and save files directly to their cloud accounts, offering a seamless conversion experience.

Despite its many advantages, Convertio doesn't have any significant drawbacks. The platform provides a reliable and efficient service for converting PDF files to Mobi format, making it a top choice for users seeking an easy and secure conversion tool.


  • Free to use
  • Allows for cloud storage
  • Allows for multiple conversion


  • None

5. Online-Convert

  • Pricing: Free
  • Notable Features: AI font detection, fast conversion

pdf to mobi_online-convert

Online-Convert is a free-to-use online converter that supports multiple file conversions, including PDF to Mobi. The platform's AI-powered font detection system helps retain the original font even after conversion, ensuring that users receive high-quality Mobi files.

Key features of Online-Convert include AI font detection technology, fast conversion speeds, and a user-friendly interface. The tool's performance has been tested on various file types, consistently delivering high-quality output and a seamless conversion experience.

However, Online-Convert does have some limitations. The platform offers many editing options, which can be overwhelming for some users. Furthermore, the tool may struggle with more complex or larger files, potentially resulting in slow processing times or issues with the final output.


  • Free to use 
  • Fast conversion tool


  • Too many editing options and it can be overwhelming

6. Online Converter

  • Pricing: Free
  • Notable Features: Easy navigation, support for encrypted files

pdf to mobi_online converter

Online Converter is a free web-based tool that simplifies the process of converting PDF files to Mobi format. The platform offers an intuitive interface and provides a step-by-step guide to help users navigate the conversion process.

Among the most notable features of Online Converter are its easy navigation, support for encrypted files, and the ability to process large files. The tool efficiently handles various file types, including encrypted files, making it a versatile choice for users with diverse conversion needs.

Despite its many advantages, Online Converter has some limitations. For instance, the platform may take longer to process larger files, resulting in slow conversion times. Additionally, users may experience difficulties converting encrypted files, limiting the tool's overall utility in certain situations.


  • It is free to use
  • It is easy to navigate


  • Bigger files are slow to process
  • Encrypted files will not convert

7. Converter APP

  • Pricing: Free
  • Notable Features: OCR technology, scanned file conversion

pdf to mobi_converter app

Converter APP, contrary to its name, is an online tool that enables users to convert PDF files to Mobi format for free. The platform is equipped with OCR technology, which allows users to convert scanned PDFs to high-quality Mobi files with ease.

The key features of Converter APP include its OCR technology for scanned file conversion, user-friendly interface, and comprehensive step-by-step instructions. These features combine to create a seamless and efficient conversion experience for users.

However, Converter APP does have some limitations. The platform does not support encrypted files, which may restrict its usefulness for users with specific file conversion requirements. Additionally, users may encounter difficulties with larger files, as the tool may struggle to process them efficiently.


  • Free to use
  • User friendly
  • Makes use of tech to help convert scanned files


  • Encrypted files are not supported

8. FreeConvert

  • Pricing: Free
  • Notable Features: Advanced settings, secure file deletion

pdf to mobi_freeconvert

FreeConvert is a free-to-use online tool that facilitates the conversion of PDF files to Mobi format with just a few clicks. The platform features a beginner-friendly interface and provides detailed guides on using the tool effectively.

Some of FreeConvert's most notable features include its advanced settings for personalization, secure file deletion after an hour of upload, and the high-quality output of converted files. These features ensure that users have a secure and customizable conversion experience.

Despite its many advantages, FreeConvert does have some drawbacks. The platform's conversion speed may be slow, particularly when dealing with larger files. Additionally, users may encounter issues with more complex conversion tasks, limiting the tool's overall effectiveness in certain situations.


  • Free to use
  • Files are well secured
  • Allows you to use advanced settings to personalize


  • Conversion can be slow

9. Online2PDF

  • Pricing: Free
  • Notable Features: Fast conversion, no account required, step-by-step guidespdf to mobi_online2PDF

Online2PDF is a free web-based platform that facilitates file conversions between various formats, including PDF to Mobi. The tool provides step-by-step guides to help users convert files easily and quickly.

Online2PDF boasts notable features such as fast conversion of large files, ease of navigation with provided guides, and no account requirement for using the platform. These features contribute to an efficient and user-friendly conversion process.

However, Online2PDF has a drawback: some fonts may be missing after conversion. This issue may affect the output quality, which could be a concern for users who require precise formatting in their converted files.


  • Free to use
  • Easy to navigate with guides to use
  • Fast for converting big files


  • Some fonts might be missing after conversion

10. CleverPDF

  • Pricing: Free
  • Notable Features: Three-step conversion, secure file deletion

pdf to mobi_cleverpdf

CleverPDF is a free online tool that allows users to convert PDF files to Mobi format in just three simple steps. The platform is designed to be user-friendly and highly responsive, providing a seamless conversion experience.

CleverPDF's most prominent features include its straightforward three-step conversion process and secure file deletion upon completion. The tool ensures that users can easily navigate the platform and protect their data.

However, CleverPDF has a limitation: the maximum file size for uploading is 20 megabytes. This constraint may pose a challenge for users with larger files to convert, restricting the tool's overall applicability in some situations.


  • Free to use
  • Easy to navigate


  • The biggest size to upload is 20 megabyte

Final Thought

Many of us love to read on the Kindle because we use Amazon's services. It is straightforward for us to navigate around and the many options provided. Still, PDF is arguably the best format for any today, so we need tools to help convert PDFs to a format acceptable by Kindle. Here, we have delved into ten different tool types which can help us make these conversions. They all have other options that make them distinct from one another. Conclusively, we can see that there are some tools on the internet that we can easily choose from to help us convert our files from PDF to Mobi.


1. What is the Mobi file format?

The Mobi file format is a readable file created as far back as 2004. The Mobipocket started it as a reader format exclusive to the platform. In 2005 however, amazon bought Mobipocket and made the reader a whole to its kindle ebook platform. It was eventually discontinued in 2011, making Mobi available to other file reader platforms. It can easily be converted to different file types, and PDF can also be easily converted to a Mobi file.

2. What program opens Mobi files?

Many apps and file readers can open Mobi files like Mobi File Reader, Stanza, Sumatra PDF, FBReader, Calibre, Okular, and Mobipocket Reader and phones that also support the reader. Amazon's Kindle also supports the file type, which means you can still read Mobi files on Amazon Kindle. 

Here is an article that provides you with tools for converting Mobi to PDF  files: Top 10 Mobi to PDF Converter Tools Review

Rose Salia
Senior Tech Writer

Rose Salia is a senior tech writer with years of experience at TopTen.AI, a leading platform covering advanced tech tools' latest developments. With over eight years of experience in writing about technology, Rose has become one of the most respected voices in the field. Her passion for comprehensive technology stems from her belief that it has the potential to transform society in profound ways. Rose has conducted extensive research on the subject and has studied it for many years. Her expertise in writing about tech products has earned her recognition for delivering insightful and informative content to her readers. Outside of work, she enjoys reading books, traveling, and exploring new culinary experiences.