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將 HTML 轉換為 EPUB

Free online HTML to EPUB converter. Fast, secure, no signup required.

12.9K+ files converted

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Accepted: HTML files · Max 100 MB per file

html epub

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Need to convert HTML to EPUB? MegaConvert makes it easy. Upload your HyperText Markup Language (HTML) file and get a Electronic Publication (EPUB) file in seconds — no software to install, no signup required. Whether you need this conversion for office work, academic writing, legal documents, email attachments / archival, our online converter handles it instantly. Free for files up to 25MB, with support for larger files up to 2GB.

How to Convert HTML to EPUB Online

  1. 1
    Upload your HTML file

    Click the upload area or drag and drop your HTML file. Files up to 25MB are free. Larger files are supported with pay-per-use.

  2. 2
    Choose EPUB as output format

    EPUB is automatically selected on this page. You can adjust conversion settings if needed.

  3. 3
    Click Convert

    Hit the Convert button to start processing. Your file will be converted using our high-performance servers.

  4. 4
    Download your EPUB file

    Once conversion is complete, click Download to save your new EPUB file. Free files are available for 1 hour.

Why Convert HTML to EPUB?

  • **Reduce file size** — Converting between formats can significantly reduce file size, making files easier to share via email or cloud storage.
  • **Software requirements** — Your software or platform may require EPUB format specifically. Converting ensures full compatibility.

HTML vs EPUB — Format Comparison

Feature HTML EPUB
Full Name HyperText Markup Language Electronic Publication
Developer World Wide Web Consortium (W3C) International Digital Publishing Forum (IDPF)
First Released 1993 2007
Category Document Ebook
Extension .html .epub
MIME Type text/html application/epub+zip

Complex formatting may not transfer perfectly between all formats. PDF preserves layout best.

About HTML Format

Standard markup language for creating web pages and web applications.

Full name: HyperText Markup Language

Developer: World Wide Web Consortium (W3C) (1993)

About EPUB Format

Open standard ebook format with reflowable content, widely supported by e-readers.

Full name: Electronic Publication

Developer: International Digital Publishing Forum (IDPF) (2007)

常見問題

Upload your HTML file to MegaConvert.io, select EPUB as the output format, and click Convert. Your converted file will be ready to download in seconds. No software installation required.
Yes! Files up to 25MB can be converted for free, up to 3 times per day. For larger files, pay-per-use pricing starts at just $2 for files up to 100MB.
Absolutely. All uploaded files are encrypted in transit (HTTPS), scanned for viruses, and automatically deleted after conversion. We never share or access your files.
Free users can convert files up to 25MB. Pay-per-use supports files up to 2GB. Subscribers get up to 2GB with priority processing.
Standard markup language for creating web pages and web applications. Developer: World Wide Web Consortium (W3C) (1993).
Open standard ebook format with reflowable content, widely supported by e-readers. Developer: International Digital Publishing Forum (IDPF) (2007).