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Document conversion

Convert EPUB to HTML

Convert your .epub files to .html format online for free. No software to install. Fast, secure, and easy.

Convert EPUB to HTML now

Free — 3 conversions per day

How to convert EPUB to HTML

1

Upload

Drag and drop your .epub file or click to browse.

2

Choose format

Select HTML as your output format.

3

Download

Click Convert and download your .html file.

Why convert EPUB to HTML?

Converting from EPUB (Electronic Publication) to HTML (HyperText Markup Language) helps you publish content for the web. EPUB and HTML serve different purposes, and converting between them bridges the gap.

EPUB vs HTML: technical comparison

EPUB (Electronic Publication, introduced in 2007) uses ZIP (containing XHTML, CSS, media, OPF manifest) compression. HTML (HyperText Markup Language, introduced in 1993) uses None (text-based; gzip-compressible in transit) compression. EPUB browser support: None (requires e-reader application). HTML browser support: Universal.

What happens to quality?

The quality impact depends on the specific settings used during conversion. HTML uses compression that may affect quality depending on the chosen settings.

File size impact

Typical EPUB file size: A 300-page novel: ~500 KB - 2 MB; illustrated book: ~10-50 MB. Typical HTML file size: A single web page: ~20-100 KB (excluding external assets).

Common use cases

  • Publishing EPUB content as a web page viewable in any browser
  • Converting EPUB files to HTML for compatibility with specific applications or workflows
  • Converting EPUB files to HTML for compatibility with specific applications or workflows
Pro tip

For the best conversion results, always start from the highest quality source file available. Converting from a previously compressed file compounds any existing compression artifacts. When in doubt, use higher quality settings — you can always re-convert at lower quality later, but you cannot recover quality that has been lost.

Why use SquishConvert for EPUB to HTML?

100% Free

Convert EPUB to HTML with 3 free conversions per day. No hidden fees.

Quick & easy

Create a free account in 10 seconds and start converting immediately. No credit card required.

Fast & secure

Files are encrypted during transfer, processed on secure servers, and deleted immediately after conversion.

Works everywhere

Convert files from any device — desktop, tablet, or phone. No software to install, works in any modern browser.

358+ conversions

SquishConvert supports over 358 file conversion combinations across images, documents, audio, and video.

High quality output

Your converted .html file maintains the best possible quality. No unnecessary compression or quality loss.

Frequently asked questions

Is it free to convert EPUB to HTML?

You get 3 free conversions per day. Upgrade to Pro for unlimited conversions.

How long does it take to convert EPUB to HTML?

Most files convert in under 10 seconds. Larger files may take a bit longer depending on size.

Is my EPUB file safe when converting?

Yes. Files are encrypted during transfer, processed on secure servers, and deleted immediately after conversion. We never store your files.

Can I convert multiple EPUB files to HTML at once?

Currently, SquishConvert converts one file at a time. Batch conversion is coming soon — stay tuned!

What is the maximum file size for EPUB to HTML?

Free users can convert files up to 10 MB. Pro users can convert files up to 500 MB.

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