Convert AZW3 → EPUB Online — Free
Convert Amazon AZW3 Kindle books to EPUB.
Drag & drop or click to browse
Accepts .azw3 files up to 50 MB
Free plan includes 3 conversions/day. Need more? Talk to us →
What is a .azw3 file?
AZW3 is a widely-used format in the eBook category. Convert Amazon AZW3 Kindle books to EPUB. Files in this format are commonly used across various tools, pipelines, and workflows.
What is a .epub file?
EPUB is a popular format in the eBook ecosystem. Converting from AZW3 to EPUB gives you access to its unique features, broader tooling support, and improved interoperability.
How to convert AZW3 → EPUB online
Upload your file
Drag & drop your .AZW3 file onto the upload zone, or click "Browse" to select it.
Validate & preview
The tool checks the file type and size before uploading. Invalid files are rejected immediately with a clear error.
Convert on the server
Click "Convert" to upload and process your file. Server-side conversion typically takes ~30 seconds.
Download your result
When done, click "Download .EPUB" to save your converted file. Files are securely deleted after 1 hour.
Frequently asked questions
Is this AZW3 to EPUB converter free?
Yes. The AZW3 → EPUB tool is free for up to 3 conversions per day. Pro (30/day) and Business (unlimited) plans unlock higher limits.
Is my file secure on the server?
Your file is uploaded over an encrypted HTTPS connection to a secure server worker. The converted file is stored temporarily and automatically deleted after 1 hour. We never share or store your files longer than necessary.
What is the maximum file size for AZW3?
You can convert files up to 50 MB. If your file is larger, consider compressing it first or upgrading to a Business plan for increased limits.
What is the difference between AZW3 and EPUB?
AZW3 and EPUB are both formats in the eBook category, each with different use cases, tooling support, and feature sets. Convert Amazon AZW3 Kindle books to EPUB.
Can I convert multiple files at once?
Batch conversion is available on Pro and Business plans. Free users convert one file at a time.