Calibre On Mac

When talking about ebook managing system, Calibre is always the first one that comes into my mind. As the open-source ebook manager and converter, many avid ebook lovers use this freeware to manage their books from different sources. Do you actually know where your Calibre ebooks are stored? Have you ever thought of changing the Calibre library location? If yes, then you come to the right place. You’ll discover your Calibre library location on Windows/Mac, how to change Calibre library location and even Sync Calibre Library across different computers.

1. Calibre Library Location on Window/Mac

If you’ve ever added any ebooks to Calibre, it will generate a folder named “Calibre Library” automatically. All your added ebooks, converted ebooks will be stored in Calibre default library location. Where is the 'Calibre Library' on your Windows or Mac?

Here is the easiest way to find the location of Calibre library.

Part 1: Calibre DeDRM Plugin Will Remove DRM From? Kindle ebooks (Files from Kindle for. 要以不同的语言显示 calibre,请打开首选项(按⌘+P)并选择您的语言。 如果您使用的 MacOS 版本早于10.14(Mojave),则在您的计算机上可以正常运行的 calibre 最大版本号是3.48版,点此获取。here.

Click any book on your Calibre library, its detailed information will be display at the right column. Then click “Click to open” besides the “Path” option.

You can easily open your Calibre folder in this way.

There are more than 100 alternatives to calibre for a variety of platforms, including Android, Windows, iPhone, Mac and iPad. The best alternative is Moon+ Reader, which is free. Other great apps like calibre are Polar (Freemium, Open Source), Foliate (Free, Open Source), Document Viewer (Free, Open Source) and ReadEra (Free). To do this, open Calibre and press Calibre library Export/Import all calibre data. In the Export/Import all calibre data window, press the Export all your calibre data option. Select your eBook library—most users will only have one Calibre library, so this should already be selected. Press OK to continue. Step 2: Select an E-Book. OK, now that the app is up and running, it is time to select an e-book and add it to your Calibre library. For the purpose of this tutorial, I am going to use Feisty Fido: Help for the Leash Reactive Dog by Patricia McConnell, a highly regarded animal behaviorist and dog trainer, but you can convert whichever book you desire, of course.

Here is the Calibre default folder location:

Windows: C:UsersUser NameDocumentsCalibre Library

Mac: /Users/User Name/Calibre Library

2. How to Change Calibre Library Location

You are not allowed to change the default Calibre location that stored your Calibre converted books, but if you need to do so, you can do it in this way.

1Just copy all the data from your Calibre Library folder and then store them to the new new folder.

Remember to copy the metadata.db file because it stores all the metadata of your ebooks.

2Go to Calibre>>Calibre Library menu>> Switch/create Library.

Click on the 'Folder' icon in the pop-up windows, and navigate to the new folder that stored your Calibre books and metadata.

All done, your older Calibre library will still there but you'll have a new Calibre library with the same name as your new Calibre ebook folder. And you can switch between these two libraries in your Calibre.

3. Advanced Tutorial: Sync Calibre Library across Computers

Is there any way to keep the Calibre library synced across two computers? Sure, if you can transfer your Calibre library to your cloud storage and then set it as the new Calibre library, you can always access your Calibre library from any computer. Let's see how we can make this happen.

1Download and install the cloud storage app.

Download: Google Drive OneDrive Dropbox

Since I've already install the OneDrive, here I will show you how to sync Calibre library across computer with the assistance of OneDrive.

2Create a new folder named 'Calibre cloud library' in your OneDrive, and then copy and paste all data from your original Calibre library to the 'Calibre cloud library' folder. Then wait until all the data have been transferred to your OneDrive storage successfully.

3Go back to Calibre, click 'Calibre library' on the top menu bar, then fill in the location of 'Calibre cloud library' and click 'OK'. Then the Calibre cloud library has been set up on one computer. Now close the Calibre on this computer and give it a little time to sync the metadata of your Calibre library. Otherwise, you'll end up wth a snarled library.

4On any other computer that you want to access the Calibre Cloud library, please repeat the above steps. Then at the same OneDrive library as the Calibre Library location and you can build own web-based ebook library.

Pro tip: Location of Onedrive on Windows/Mac

Windows: C:UsersusernameOneDrive

Mac: /Users/username/OneDrive

Notifications for syncing Calibre across different computers:

1Since Calibre is not a multi-user program, you'll have to make sure only one instance of Calibre is accessing this cloud library.

2Once you've finished the reading, please close the Calibre and sync the metadata of your Calibre. Otherwise, you'll damage your Calibre library database and causes the inconsistent with the files in your Calibre library.

3Make sure you sync before every usage no matter which computer you are on.

After finishing this article, can you find your Calibre library location? Or do you have more tips or and tricks about Calibre library? Please just share them in the following comments.

Iris Yan joined Epubor since 2017. She always wants to share everything related to ebook reading and improve your reading journey.

Calibre is known as a powerful and easy to use e-book manager. You can use it to edit books’ metadata, convert eBooks to many formats and even download news and magazine from web. Apart from that, Calibre does support DRM removal after installing Calibre DRM Removal plugins like DeDRM with such a function.

In the following, we will give you a full guide of Calibre DRM Removal and the best alternative of Calibre DRM Removal, which can definitely help you remove DRM from Kindle books, Adobe Digital editions and more to let you read your books on your preferred device.

Table of Contents:

Why Should We Remove DRM from Kindle Books?

The DRM (Digital Restrictions Management) puts lots of restrictions on users, in other words, customers do not really own their eBooks after they purchase it. This cannot give people an enjoyable reading experience. As a consumer, the DRM does limit your options.

  1. Reading Device. Most of us would like to read eBooks on multiple devices. With DRM,You can only read eBooks on one single device or app.
  2. Sharing. We always want to share the same eBook if one of our friends or families already have one. But DRM doesn’t allow you to share the books with others.
  3. Back up your books. Although you purchased the digital contents legally from the book store, the DRM protections do not allow you to back up and have full use of them.
  4. Conversion. You cannot convert DRM-protected books to other formats like EPUB or PDF that can be read in other apps.

Before we remove DRM from kindle eBooks we should know that it is legal and DRM is about restrictions, not rights.

How to Remove DRM with Calibre DRM Removal Plugin on Mac and Windows?

Although Calibre itself cannot remove DRM from eBooks, it is able to do it with Calibre DRM removal plugin.

Step 1: Install Calibre and DeDRM Plugin

The first thing you need to do is install Calibre and DeDRM Plugin.

1. Go to its official website and download Calibre

2. Download DeDRM plugin and add it to Calibre Cisco vpn client for windows 10 64 bit free download.

1) Run Calibre and navigate to Preference on the top menu bar and select the option Change Calibre behavior

2) Go to the Advanced section and choose Plugins

3) Click on Load pluginfrom file button and select the DeDRM folder from your device.

A pop-up warning massage will appear and just click Yes to continue.

4) Now the DeDRM plugin has been added under File type plugins.

5) Restart Calibre.

Step 2: Remove DRM from Kindle eBooks with Calibre DRM removal plugin

Just click Add Books to upload eBooks downloaded from Kindle, Kobo, Google Play, Nook etc. Once books have been added successfully, the DRM will be removed automatically.



  • Totally DRM removal freeware
  • Available for both Windows, Mac OS and Linux
  • Support 50+ e-book formats


  • Its complex interface isn’t friendly to novice
  • People have to install DeDRM plugin to remove DRM
  • It doesn’t work for Kindle for Mac/PC higher than version 1.25
  • Cannot remove DRM from iBook

What if Calibre DRM Removal Plugin Not Working?

Admittedly, Calibre DRM removal plugin is great for people who have to deal with eBooks’ DRM, however, the Calibre DRM removal is not working sometimes. Following are 3 most common issues about Calibre DRM removal:

1. Calibre DRM Removal DeDRM plugin doesn’t work

This depends on your Kindle for Mac/PC version. Calibre DeDRM removal plugin does not work for Kindle books downloaded via Kindle for Mac/PC higher than version 1.25. So, the current solution is to downgrade your Kindle for PC/Mac to an older version.

Calibre Ios App

2. Calibre DRM Removal plugin cannot remove DRM from iBooks

Yes, the fact is the Calibre DRM Removal DeDRM plugin doesn’t support iBook anymore. We will talk about how to remove DRM from iTunes music, video and iBook later.

3. CalibreDRM removal plugin has been installed successfully, but it fails to remove DRM from eBooks

Make sure the DeDRM plugin installed is the newest version. Or you can find the latest version of Calibre DeDRM removal plugin at Github.

4. Still Not Working or its process is a little difficult to use

Then there comes to Calibre DRM Removal’s alternative

Alternative of CalibreDRM Removal: Epubor Ultimate

Epubor ultimate an excellent eBook DRM Removal as well as eBook Converter. It can automatically detect e-readers or apps such as Kindle, Kobo, Adobe Digital Editions etc. More importantly, it is very easy to use for beginners and available on both Mac and Windows.

Why Choose Epubor Ultimate as CalibreDRM Removal’s alternative?

  • Remove DRM from Kindle eBooks
  • Support Kindle for Mac/PC and other Kindle e-readers
  • Convert Kindle books to PDF, EPUB, MOBI, AZW3, TXT
  • Support 13 input eBook formats
  • Batch process multiple eBooks
  • Support books purchased from Amazon, Nook, Google Play, Kobo and other popular stores
  • Easy to use
  • Available for Windows and MacOS

How to remove DRM with Calibre DRM Removal’s alternative?

Step 1: Download Epubor Ultimate on your computer (Mac/Windows)

Step 2: Run it and it will automatically detect the eBooks that have been downloaded to Kindle for PC/Mac and display them at the left column.

Step 3: Drag them from the left to the right column, then the DRM will be removed.

Calibre On Mac

Note: This Calibre DRM removal alternative also comes with a conversion feature. If needed, you can use it to convert eBooks like converting EPUB to MOBI, ACSM to EPUB or others


  • Support both Windows and Mac OS
  • Easy to use
  • Both eBook converter and DRM remover


  • Not free DRM removal
  • Cannot remove DRM free on iBooks

Calibre DRM Removal vs Epubor Ultimate

Supported platform


Free/PaidOutput formats
Calibre DRM RemovalWindows, Mac and LinuxComplexFreeMOBI, EPUB, AZW3, FB2, HTMLZ, LIT, LRF, PDB, PDF, PMLZ, RB, RTF, SNB, TCR, TXT, TXTZ, and ZIP
Epubor UltimateWindow, MacClean, easy to usePaid(Free tiral)EPUB, Mobi, AZW3, TXT and PDF

Extend: How toRemove DRM Protection from iBooks

If you prefer to purchase eBooks from iBook store, you will know that iBooks are all DRM protected by Apple. You can’t read iBooks on other eReaders except iPad. So, in this part you will find a way to remove DRM from iBooks.


Requiem is a highly recommended free iTunes DRM removal software specialized in removing FairPlay DRM from iTunes videos, music and books. It makes DRM removal a breeze without losing the original quality. Unfortunately, it stops upgrading in V4.1 for a long time.

1. Download and install it

2. Run it on your Mac/Windows. Then Requiem will automatically detect the DRMed files from the iTunes library and remove DRM from them.

Note: The windows users will need to install Java and before removing DRM you can back up the files because the decrypted files will replace the original files.


Calibre On Ipad

  • Free
  • Available for both Mac and Windows
  • Small memory


  • Doesn’t support Mac OS X10.8 or above
  • Some bugs will appear
  • No release anymore after Requiem 4.1
  • isn’t compatible with iTunes 12

Final Words

Now we have a general impression of Calibre DRM removal and its alternatives including their features as well as a few pros and cons. Although we rate Calibre DRM removal the highest, it is the most difficult to run and use. If you want a more straightforward and simple solution, the Epubor ultimate is your favorite.

Phillips, Nina

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