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Welcome to the File Converter

Upload your file to start converting. Choose a file from your device or use a remote file link.

${shortenFileName(item.file_name)} ${formatBytes(item.file_size)}
Output:
Add ${items.length} files

How to Convert Epub to AZW3?

  1. Click the “Choose EPUB Files” button and select your EPUB file
  2. Click on the “Convert” button to start the conversion
  3. When the status changes to “Done”, click the "Download AZW3" button

Convert Any EPUB to AZW3

This tool supports converting many types of Epub to AZW3. Convert PDF, MOBI, LIT, AZW3, FB2, HTMLZ, LRF, OEB, TXT AND RTF to AZW3.

Best Epub Converter

Convert your Epub with perfect quality, size, and compression. Plus, you can also batch convert Epub using this tool.

Free & Secure

Our Epub Converter is free and works on any web browser. We guarantee file security and privacy. Files are protected with 256-bit SSL encryption and automatically delete after a few hours.

EPUB is an open eBook format developed by the International Digital Publishing Forum (IDPF), widely supported by many eBook readers and software. It is based on XML and ZIP technologies, offering dynamic formatting, cross-platform compatibility, and rich multimedia support, making it suitable for creating high-quality eBook content. Compared to traditional formats like PDF, EPUB provides better readability, especially on devices with different screen sizes, as it can automatically adjust text layout to fit the screen size. Additionally, EPUB files often include metadata (such as author, title, chapter information, etc.), facilitating management and search. It is widely used in the publishing industry and personal creation, suitable for novels, textbooks, magazines, and various types of eBooks.

AZW3 (also known as Kindle Format 8 or KF8) is an eBook format developed by Amazon, specifically designed for newer Kindle devices. It supports more complex content and formatting features, including advanced typography, images, multimedia elements, and interactive features, making it suitable for creating high-quality eBook content. Compared to traditional formats like MOBI or AZW, AZW3 offers a better reading experience and higher compatibility, ensuring consistent layout across different devices. Additionally, AZW3 files often include digital rights management (DRM) protection to prevent unauthorized copying and distribution. It is widely used in the publishing industry and personal creation, suitable for novels, textbooks, magazines, and various types of eBooks.

Your Data, Our Priority

At AllConverter, we go beyond just converting files—we protect them. Our robust security framework ensures that your data is always safe, whether you're converting an image, video, or document. With advanced encryption, secure data centers, and vigilant monitoring, we've covered every aspect of your data's safety.

Learn more about our commitment to security

SSL/TLS Encryption
Secured Data Centers
Access Control and Authentication
Firewall & IDS/IPS