Free online Kindle eBook converter supporting multiple output formats. Files are processed locally in your browser — no uploads, 100% private.
Drop your .AZW3 file here
or click to browse from your device
100% browser-based — no server uploads, no cloud processing
Free forever — no account or subscription required
Supports batch conversion for multiple files at once
Works on any device — desktop, tablet, and mobile
Results available in seconds — no server queue or wait time
Files are cleared immediately after processing for maximum privacy
Amazon Kindle Format 8 — modern Kindle default
Readable on dedicated e-reader devices and apps
Supports adjustable text size and font preferences
Efficient for long-form text distribution
Formatting can vary between different reader apps
DRM-protected ebooks may limit portability
Complex layouts may not reflow correctly on all devices
E-reader device reading (Kindle, Kobo, etc.)
Digital book publishing and distribution
Personal reading library management
Academic and professional reference materials
Test rendering on Kindle, Kobo, and Apple Books for cross-reader compatibility
Use 72 DPI for cover images to keep file size small and fast to download
Validate EPUB files with EPUBcheck before uploading to publishing platforms
Include a fallback font specification in case the device font is unavailable
Drag & drop your file or click to browse
Files are processed instantly in your browser
Save your converted or processed file
Upload your AZW3 file using the drop zone above. Select your target output format and the conversion happens instantly in your browser.
Completely safe. Our converter runs 100% in your browser — your AZW3 file never leaves your device or touches any server.
Select your file to see all supported output formats for AZW3. Most popular formats in the same category are available.
Free, instant, and 100% private. Your files are processed locally in your browser.