Free online EPUB eBook converter supporting multiple output formats. Files are processed locally in your browser — no uploads, 100% private.
Drop your .EPUB 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
Open eBook standard — compatible with most e-readers
Reflowable text adapts to any screen size
Open standard supported by most e-readers
Supports embedded fonts and multimedia
Compact and portable format
Formatting can vary between different reader apps
DRM-protected ebooks may limit portability
Complex layouts may not reflow correctly on all devices
Digital book publishing for e-reader devices
Long-form reading on Kindle, Kobo, Apple Books
Academic paper and research distribution
Technical documentation publishing
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 EPUB 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 EPUB file never leaves your device or touches any server.
Select your file to see all supported output formats for EPUB. Most popular formats in the same category are available.
Free, instant, and 100% private. Your files are processed locally in your browser.