🧐 Why Use Calibre?

Calibre is a free and powerful eBook manager that lets you:

  • Convert between EPUB, MOBI, PDF, AZW3, and more

  • Edit metadata (title, author, cover)

  • Organize and transfer eBooks to devices like Kindle, Kobo, or iPad

It’s the perfect tool if your book format isn’t compatible with your device.


🧭 Step-by-Step Guide

🥇 Step 1: Download & Install Calibre

  1. Visit calibre-ebook.com.

  2. Click Download and choose your operating system (Windows, Mac, Linux).

  3. Install the software like a normal application.

  4. Open Calibre after installation.


🥈 Step 2: Add Your eBook

  1. Launch Calibre.

  2. Click the “Add books” button in the top-left corner.

  3. Select the eBook file you want to convert (EPUB, PDF, MOBI, etc.).

  4. Your book will appear in the Calibre library.


🥉 Step 3: Convert the Book

  1. Click to highlight the book in your Calibre library.

  2. Hit the “Convert books” button.

  3. In the top-right “Output format” dropdown, select your desired format:

    • EPUB – for iPad, Kobo, Calibre Reader

    • MOBI/AZW3 – for Kindle

    • PDF – for printing or static layout

  4. Optional: Edit the Metadata like title, author, and cover.

  5. Click OK to start conversion.


📤 Step 4: Save & Transfer

  1. Once converted, right-click the book and choose “Save to disk” > “Save only EPUB/MOBI/etc.”

  2. Choose a folder to save your file.

✅ You can now transfer it to your eReader using USB, email, or cloud storage.


🛠 Bonus Features in Calibre

Feature What it does
📚 Library Organizer Keeps thousands of eBooks sorted by author/title
🎨 Cover Editor Replace book covers with your own
📡 Send to Device Instantly send eBooks to Kindle, Kobo, etc.

⚠️ Common Conversion Tips

  • Fonts or layout look odd? Try converting to EPUB before PDF.

  • Kindle errors? Use AZW3 format instead of MOBI.

  • Missing cover? Add it in the metadata editor before converting.


📬 Still Need Help?

Check our full Calibre troubleshooting page or reach out via our Contact Page.