Calibre — Free Ebook Manager & Converter (2026)
Manage, convert, and transfer ebooks for free. Calibre is the ultimate ebook tool — supports EPUB, MOBI, PDF, AZW3, and more.
📥 Download Calibre — Free Ebook Manager & Converter (2026)
Click to download directly from the official website. No ads, no bundled software.
🔧 How to Install
Step 1: Click Download above for your system
Step 2: Run the installer and follow the welcome wizard
Step 3: Choose where to store your ebook library (default is fine)
✨ Key Features
🎯 How to Use
Step 1: Click 'Add Books' to import your ebook files (supports EPUB, MOBI, PDF, AZW3, and more)
Step 2: Select a book → click 'Convert Books' to change its format
Step 3: Choose output format (EPUB for most e-readers, MOBI for old Kindles, PDF for tablets)
Step 4: Click OK — conversion completes in seconds
Step 5: Connect your e-reader via USB → right-click a book → Send to Device
Step 6: Edit book metadata (title, author, cover) by clicking 'Edit Metadata'
Your complete ebook toolkit, free
Calibre is the essential tool for anyone who reads ebooks. It converts between every popular ebook format, organizes your library with rich metadata, transfers books to e-reader devices, and even lets you download news as ebooks. If you own an e-reader, Calibre is a must-have companion.
FAQ
Can Calibre remove DRM from purchased ebooks? Calibre itself does not include DRM removal. A community plugin exists for personal backup purposes, but check your local laws before using it.
What format should I convert to for my Kindle? Modern Kindles work best with AZW3 or KFX formats. Older Kindles use MOBI. EPUB files can also be sent to Kindle using Amazon’s ‘Send to Kindle’ service.
Does Calibre work with Kobo, Nook, and other e-readers? Yes. Calibre supports virtually all e-reader brands via USB transfer. It can also manage wireless transfer to some devices.
Can I read books directly in Calibre? Yes, Calibre includes a built-in ebook reader that supports all major formats. It remembers your reading position across sessions.
💡 100% Free & Safe
All download links go directly to the official project websites. We never host or modify any files. No registration, no ads, no spyware.