Kobo has lenient DRM security, not as restrictive as Amazon’s (which has been getting worse).
For now, Kobo still uses Adobe DRM, which protects the book with the buyer’s email address as proof of purchase.

To remove this restriction and allow you to read your purchased ebook on any eReader that does not support Adobe DRM, you can use the following tools and a little bit of your time.

Tools You Will Need

• Calibre eBook Management Application
  Gold standard to organize & tag your eBook collection
• Obok Calibre Plugin (Obok_plugin.zip)
  Third-party tool that removes DRM protection
• Kobo Desktop Application
  Needed to download your purchased books to your local PC

Step-by-Step Guide

Step 1: Download and Unzip the Obok_plugin.zip (Inside the DeDRM_Tools_10.0.9.zip)

1. Go to the GitHub Repo and get a copy of the DeDRM_tools_10.0.9.zip
2. Unzip that main file and you will find "Obok_plugin.zip" inside, you do not need to uncompress this file, Calibre Expects it as a ZIP.

Optionally:

You can download Obok_plugin.zip straight from this blog.

Step 2: Install Calibre

Download and install the Calibre eBook Management application. Direct Link >>> HERE

Step 3: Install Kobo Desktop Application

Download and Install Kobo Desktop Application. Direct Link >>> HERE

Step 4: Install Obok Plugin

1. Open Preferences in Calibre.
2. Scroll down to the Advanced section and click Plugins.
3. In the lower-right corner, select Load plugin from file.
4. Use the file picker to locate Obok_plugin.zip (part of the larger DeDRM_tools.zip).
5. Accept the security risk by clicking Yes.
6. If this is your first time installing, it will ask which toolbar to place the plugin icon on—keep the default.
7. Restart Calibre.!

Step 5: Install Kobo Desktop Application

Download and install the Kobo Desktop app.

Step 6: Sync Your Books & Download Your Books

1. Open Kobo Desktop and sign in to your account.
2. Go to the My Books section (second tab at the top).
3. You should see all your ebook purchases with a downward arrow icon.
   • Important: If the arrow is missing, right-click the book and select Remove.
   • Leave Remove download preselected, then click the red Remove button.
   • The arrow should reappear.
4. Click all the arrows for the books you want to DeDRM and import into Calibre.

Step 7: Use the Obok Plugin

1. Open Calibre and click the new Obok_DeDRM plugin icon on your toolbar.
2. It will detect your new downloads and present a list of books.
3. DRM-protected books are shown with a red lock.
4. Select the books you want to import, and the plugin will strip DRM where needed.

Here we see only a few books have DRM from Kobo.

Step 8: Verify

Open the books with red locks in Calibre.
If they open successfully, they are now DRM-free.

Conclusion

You now have a fully functional DeDRM setup that can remove DRM protection from Kobo eBooks. This allows you to:

• Create backups of your legally purchased books
• Read books on any device or eBook reader
• Preserve your library independent of any single platform

Remember to keep your DeDRM tools updated. The community actively maintains these tools to ensure compatibility with the latest DRM protections.

Happy reading!

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