Convert EPUB to HTML

Convert Your EPUB to HTML documents with ease

Specify your files

*Files deleted after 24 hours

Convert files free, Pro users can convert much larger files; Sign up now

Uploading

How to convert EPUB to HTML

Step 1: Supply your EPUB files using the button above or by haul and lay.

Step 2: Click the 'Convert' button to start the conversion.

Step 3: Get your converted HTML files.

EPUB to HTML Conversion FAQ

What does the EPUB to HTML converter do?

It converts a EPUB file into HTML format.

Will the data inside my EPUB be preserved when converting to HTML?

Yes — the content is mapped to the HTML equivalent. Format-specific extras that HTML does not represent natively are omitted rather than corrupted.

Is the EPUB to HTML conversion reversible?

You can convert the HTML back to EPUB on this site. If either format involved is lossy, the round-trip is not bit-perfect even though it is visually or audibly close.

What output quality should I expect from EPUB to HTML?

Default settings target broadcast / web quality — visually identical to the source for most viewers. For archival use, pick the highest quality option in the converter settings.

Will the HTML be properly editable?

Yes — that is the point of converting out of EPUB. The output opens as a real document with live paragraphs, styles and tables rather than a frozen page image, so you can edit it directly instead of retyping. Heavily designed source layouts convert less cleanly than plain prose, so expect to tidy spacing on anything built on a complex grid. HTML is readable in every browser on every device with no software install, and it reflows properly on a phone screen.

What happens to CSS, images and links in the HTML?

Stylesheets are resolved and applied before conversion rather than carried across, because only HTML has a separate presentation layer. Images referenced by relative path are fetched and embedded so the output is self-contained; images behind authentication or JavaScript rendering will not be. Absolute links stay clickable. An EPUB is a ZIP archive of XHTML and CSS with a manifest — essentially a small website packaged as a book.

Will the converted book keep its cover, chapters and table of contents?

Yes where both formats can express them. Cover art, chapter divisions and a navigable table of contents are structural metadata, so they carry across rather than being flattened into the text. Footnotes and index entries are the fragile parts — they degrade into inline text on targets with no anchor mechanism.

Will the HTML open directly in a browser?

Yes, and the EPUB would not have. Browsers ship a decoder for HTML and none for EPUB, so an EPUB link forces a download while an HTML renders inline. That is usually the deciding factor when the file is going onto a web page rather than into an application.

Why does my EPUB file refuse to convert?

DRM, in almost every case. A protected EPUB is encrypted and tied to an account, and no converter can decrypt it — ours included. Files you created yourself, or bought from a DRM-free store, convert without any trouble at all. EPUB has no fixed pagination, so page numbers are meaningless, and complex layout — tables, equations, multi-column — degrades badly.

Is there a file-size limit when converting EPUB to HTML?

Anonymous uploads are capped at a generous default; signed-in free accounts get a higher cap, and Pro accounts have no per-file limit. Browser memory is usually the practical constraint long before our server-side limits kick in.

Can I batch-convert several EPUB files to HTML at once?

Yes. Drop or pick multiple EPUB files in one upload — the converter processes them in parallel and returns a ZIP of the HTML results. There is no need to repeat the upload step per file.

What happens to my EPUB files after the conversion?

Uploaded files and HTML outputs are auto-deleted after a short retention window. We do not inspect, share, or train on user files. Direct download links are time-limited and tied to your session.

EPUB

EPUB works as a reflowable eBook format that adjusts to different screen sizes and reading preferences.

HTML

HTML (Hypertext Markup Language) is the standard language for opening web pages. HTML files contain structured code with tags that define the structure and body of a webpage. HTML is crucial for web development, enabling the creation of interactive and visually appealing websites.