Best free eBook Editor software for Windows 11/10

Here is a list of the best free eBook Editor software for Windows 11/10. These are some good free software using which you can modify the content of your eBooks. Most of these editors even let you create or design new eBooks from scratch. You can add new images, modify the text content, insert files, add hyperlinks, etc. These software also let you edit the Table of Content and Index of the eBook as per your requirements. Additionally, you get many other useful features like spellcheck, different view modes, file browser, and more that help you edit eBooks easily.

Best free eBook Editor software for Windows 11/10

Here are some good free eBook editor software that you can use to create or edit eBooks on your Windows 11/10 PC:

Calibre
Sigil
Gitbook
Magic

1] Calibre

You can use Calibre to edit eBooks in Windows 11/10. It is a free and open-source eBook manager that comes with a lot of handy tools. In it, you can read eBooks, organize & manage your eBook library, remove eBook DRM, fetch and download world news in eBook formats, download free eBooks from multiple online sources, and do much more.

It also lets you edit your editing eBooks. However, the supported formats to do so include AZW3 and EPUB. You can only edit these two eBooks in this eBook editor software. Plus, it also provides a tool to edit eBook metadata. So, you can edit eBook information including author, publisher, rating, published date, languages, series, tags, eBook cover, comments, etc.

How to edit an eBook in Calibre?

Here are the main steps using which you can edit the content of an eBook in Calibre:

Make sure Calibre is installed on your system.
Start Calibre and import the input eBook in AZW3 or EPUB format.
Right-click on the eBook and select the Edit book option.
Modify the content of your book.
Save the edited eBook in its native format.

Let us discuss the above steps in detail now.

First, you need to download and install Calibre on your Windows 11/10 PC. You can also download and use its portable version on the go without even installing the whole software on your PC.

Now, open Calibre and add the source eBook that you want to edit. Do remember that you can edit only AZW3 and EPUB eBooks in it.

Next, press the right-click on your eBook, and from the appeared context menu, choose the Edit book option. A new eBook editing window will open up.

You can now start editing the main content of your eBook. It contains a File browser panel where you can access all the components and files used in the book. These include text, images, styles, fonts, and more. You can click on a file and edit it as HTML code. It also lets you import and add external files to your current eBook. The real-time preview of the changes can be seen in the File preview section.

There are many more handy editing tools that you get in this software. These are Edit Table of Content, Manage Fonts, Fix HTML, Add Cover, Transform Styles, Check Spelling, Reports, Upgrade book internals, etc. All these and more tools are accessible from its Tools menu.

Once you are done editing your eBook, you can go to the File menu and use the Save or Save a copy option to save modifications. The eBook is saved in its original format. Although, you can later convert it to some other format using its eBook converter tool.

All in all, Calibre is a great free and open-source eBook editor that lets you modify EPUB and AZW3 eBooks.

2] Sigil

Sigil is a dedicated free and open-source eBook editor for Windows 11/10. It lets you edit ePub formatted eBooks along with HTML and plain textbooks. However, you can save the output eBook in EPUB format only. Not just editing, you can even generate a new eBook from scratch. You can import eBook content from locally stored files and then create a new EPUB eBook.

When you add an eBook to it, all the consisting files including Text, Images, Style, Font, Audio, Video, and more can be viewed in the Book Browser panel. You can click on a file and start editing it manually. It lets you edit the book content in the format of XML code like a generic text or code editor. You can also view the real-time preview of the file in a dedicated section present on the right-hand side.

It lets you create checkpoints for your eBook and manage them. You can insert new images, add document files, modify the text, add new text, change fonts, customize style, insert links, insert special characters, and do much more using this eBook editor. It also lets you format the content accordingly using options like bold, italic, strikethrough, subscript, superscript, bulleted list, numbered list, etc.

This software can also be used to edit other aspects of an eBook such as Table of Content, Index, eBook Metadata, Clip Editor, etc. You can even add a new eBook cover by importing a locally saved cover image. Some other tools that you might find handy are Spellcheck, Search options, Validate Stylesheets With W3C, Reports, Reformat HTML, and more. These can be used from the Tools menu. Additionally, it also supports external plugins. So, you can install more plugins to it in order to enhance its functionalities.

How to edit an eBook in Sigil?

To start with, you can import the EPUB ebook that you want to edit. It will show you its content and files in respective sections. You can click on a file that you want to edit from Book Browser and then start making changes to it. As mentioned above, the real-time preview of the changes you made to the eBook is visible in the Preview panel.

When you are done editing the eBook, you can save it in its native format i.e., EPUB. Or, if you want, you can directly print the eBook or save it as a PDF.

Sigil is a great EPUB eBook editor that you can use for free. It is also open source, so you can download and modify its source code too.

Read: Best free PDF Metadata Editor software for Windows.

3] Gitbook

The next eBook editor that you can use is Gitbook. It is a cloud-based eBook editor that lets you edit or create eBooks and documents online. Not just that, you can invite your colleagues and teammates and collaboratively edit an eBook together. It lets you import different files, enter new text blocks, insert images and other types of content, format the content, and do much. When you are done, you can publish your eBook online that others can open and view using its URL.

As it is a cloud-based editor, you need to register an account to use this service. Your ebook will be saved on your account from where you can publish and share them online. The account can be registered for free. However, it also comes with paid plans with more advanced features including export features, advanced publishing options, etc.

This online eBook editor also lets you integrate your eBooks with tools and applications like Slack, Segment, etc. Plus, you can also access Change History, Change Requests, Files, Discussions, etc.

How to edit an eBook online using Gitbook?

You can use the below steps to edit an eBook online using Gitbook:

Open its website and sign up or log in to your account.
Create a new collection.
Import your files.
Edit and design your eBook.
Publish your eBook online.

Firstly, open the Gitbook website in your browser and register a free account. If you already have an account, sign in with your login credentials.

Now, go to your Dashboard and create a new collection. You can invite your friends or teammates to edit the same eBook.

After that, click on the Import content button present on the bottom-left side of your Dashboard. You can now import content from different sources like a website, Markdown document, Word files, HTML, Confluence, Google Docs, OpenAPI, Notion, GitHub Wiki, etc. If you want to start from scratch, simply use its powerful editor to add and design your eBook content.

It provides the new Gutenberg WordPress editor. So, if you are familiar with this editor, you will have fun writing and designing your content. You can add multiple headings, bullet lists, task lists, paragraphs, images, tables, code blocks, URLs, files, drawings, Youtube videos, Math formulas, and much more content to your eBooks. You can also apply basic editing to the content.

Once finished, you can click on the Publish button (present on the top-right) to publish your eBook online. You can share the URL of the published eBook to let others read your creations.

Gitbook is a nice free online eBook editor that lets you collaboratively edit and design eBooks and publish them online.

See: How to convert CBR or CBZ to PDF in Windows?

4] Magic

One more free eBook editor that you can use is Magic. It is a free and open-source eBook editor software that allows you to edit EPUB version 2 and 3 eBooks. It is much like Sigil that we have discussed above in this post.

You can simply import an EPUB eBook into it and then edit its content. All the files in the eBook can be accessed from Book Browser. You can click on a file and modify its respective content. It lets you toggle between Book View and Code View to make modifications in desired view mode.

It allows you to insert new images, files, hyperlinks, text, special characters, and more into your eBook. Plus, if you want to modify the metadata of an eBook like author name, book name, publishing date, publishers, etc., you can do that using its Metadata Editor. It also provides an Index Editor to create or modify an eBook index. You can also add a new cover image to the book and generate or edit the Table of Content.

Some more features that you can use while editing your eBooks are Well Form Check EPUB, SpellCheck, Validate Stylesheets with W3C, Delete Unused Media Files, Reformat HTML, Reports, Clip Editor, and more.

You can download this free and open-source eBook editor from github.com.

What is the best free software to write an eBook?

To write or edit an eBook, you can use free software like Calibre, Sigil, and Magic. These are some good free software that provide all the important eBook editing tools that you need in eBook creation. Other than that, if you want a cloud-based eBook editor, you can try Gitbook. It is a really good online eBook creator that lets you create ad publish eBooks online. Plus, it lets you invite your teammates and create an eBook with them collaboratively.

How do I make an eBook for free?

You can use Gitbook to create an eBook for free. It is an online service with a free plan. You can import your content from existing files or start designing a new eBook from scratch. It provides a Gutenberg WordPress editor to design an eBook. The final book can be published on the web. Apart from that, you can also use desktop applications like Sigil or Magic to create EPUB eBooks.

How do I convert a PDF to eBook for free?

To convert a PDF to an eBook format like MOBI, EPUB, and others for free, you can use a free online tool. There are free web services like Zamzar, OnlineConverter, etc. Additionally, there are some free desktop applications that you can use to do the same. One good software to convert PDF to eBook is Calibre. It provides a batch eBook converter that you can use to convert PDFs to EPUB, MOBI, LIT, AZW, DOCX, RTF, and more eBook files.

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