Free online EPUB to HTML converter

How to convert epub to html. Possible epub to html converters.

Convert EPUB to HTML online - free

.epub .html

Drop up to 3 .EPUB files here or click to browse

Max 10 MB per file · No registration required · max 30 MB total

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How it works

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Upload your .epub file

Click to browse to select your file you want to convert or simply drag & drop your file into selected area.
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After successful file upload, click to convert when you are ready.
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Conversion statistics: EPUB to HTML

EPUB files are most often converted to PDF 47% AZW3 17% TXT 14% DOCX 10%

Updated November 15, 2026, from conversions on 101convert.com

How to convert epub to html file

June 7, 2026
Ebooks
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Pretty much every modern ebook software nowaday allows users to work with .epub digital publications nowadays and most of them also posses some sort of export capability. Exporting to HTML is a viable option, especially if you need to edit the contents of the book with some word processor or other text editor and such epub to html conversion should be not hard to achieve.

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Understanding EPUB and HTML file formats

EPUB (Electronic Publication) is a widely used eBook format that allows reflowable content, meaning the text display can be optimized for the particular display device. It is an open standard format maintained by the International Digital Publishing Forum (IDPF).

HTML (HyperText Markup Language) is the standard markup language for documents designed to be displayed in a web browser. It can be assisted by technologies such as CSS and JavaScript to create interactive and visually appealing web pages.

Why convert EPUB to HTML?

Converting an EPUB file to HTML can be beneficial for several reasons. It allows the content to be easily integrated into websites, making it accessible to a broader audience. HTML files are also more versatile for web development and can be styled and manipulated using CSS and JavaScript.

Best software for EPUB to HTML conversion

One of the best tools for converting EPUB to HTML is Calibre. Calibre is a free and open-source eBook management software that supports a wide range of eBook formats and conversion options.

How to convert EPUB to HTML using Calibre

Download and install Calibre from its official website.
Open Calibre and click on Add books to import your EPUB file.
Select the EPUB file you want to convert.
Click on Convert books in the top menu.
In the conversion window, set the output format to HTML.
Click OK to start the conversion process.
Once the conversion is complete, you can find the HTML file in the output directory specified in Calibre's settings.

Conclusion

Converting EPUB to HTML is a straightforward process with the right tools. Calibre offers a reliable and efficient way to perform this conversion, making your eBook content more accessible and versatile for web use.

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EPUB vs HTML: format comparison

How the EPUB and HTML formats compare on the properties that matter most for this conversion.

Comparison of the EPUB and HTML file formats
Property	.EPUB EPUB	.HTML HyperText Markup Language
Open standard	Yes	Yes
Compression	Both	Uncompressed
Typical file size	Small	Small
Opens in a web browser	Partial	Yes, natively
Further editing	Limited	Easy
Metadata support	Extensive	Basic
Plain-text readable	No	Yes
Best used for	Publishing	Web publishing
Introduced	2007	1993
Developer	International Digital Publishing Forum (IDPF); later maintained under W3C	W3C / WHATWG
MIME type	application/epub+zip	text/html

Open EPUB file Open HTML file

Information about file extensions and file types is provided by File-Extensions.org

Frequently asked questions

Is the EPUB to HTML converter free?

Yes, converting EPUB to HTML on 101convert.com is completely free. No registration, email address or installation is required. If you need a higher file size limit or want to convert more files at once, see our plans.

How large can my EPUB file be?

You can upload EPUB files up to 10 MB and convert up to 3 files at once in a single batch. With a paid plan the limit is up to 1000 MB per file and 50 files at once, see our plans.

What happens to my uploaded files?

Files are processed automatically and deleted from our servers within a few minutes after conversion. We never view or share your files.

Do I need to install any software to convert EPUB to HTML?

No. The EPUB to HTML conversion runs entirely online in your browser and works on Windows, Mac, Linux, Android and iPhone.

Did the conversion fail?

In most cases, the cause is an incorrect file format. Please upload a valid EPUB file for this EPUB to HTML conversion. Occasionally, the issue may be on our side. We analyze recurring conversion failures and disable or fix the converter if we detect a defect.

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Additional formats for
epub file conversion

Reverse conversion

html to epub

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Free online EPUB to HTML converter