FileopiaHTML to EPUB
HTML to EPUB free online in your browser. Fast, private and secure local processing with no file limits.
- Upload
- Options
- Download
- ✓ 100% free
- ✓ No sign-up
- 🔒 Files never leave your device
How to: HTML to EPUB
- Select or drag and drop your files here.
- Adjust options and settings to your needs.
- Instantly download your converted file.
Mixed bundles of documents – a Word letter, a spreadsheet, a few photos – usually need three different converters. Fileopia converts them all in one step in your browser and can merge them into a single PDF with a bookmark for each original file, so the result is easy to navigate. ZIP archives are unpacked automatically.
Common uses
- Bundle application documents (CV, certificates, photos) into one PDF.
- Convert a whole folder of receipts from a ZIP.
- Turn spreadsheets into printable PDF tables.
- Archive mixed project files as PDF.
Tips for best results
- Tick 'Sort files by name' when files are numbered (1, 2, 10 sort naturally).
- Choose 'One PDF per file' for separate conversions in a ZIP.
- Complex Word layouts convert best with our dedicated Word to PDF tool.
Why use Fileopia for HTML to EPUB?
| Fileopia | Typical upload-based sites | |
|---|---|---|
| Files uploaded to a server | No – processed on your device | Yes |
| Sign-up required | Never | Often for bigger jobs |
| Hourly / daily task limits | None | Common on free plans |
| Watermark on output | Never | Sometimes |
| Works offline after loading | Yes, for most tools | No |
Your files never leave your device
HTML to EPUB runs entirely in your browser using JavaScript and WebAssembly. Your files are read from your disk into this tab, processed in memory and saved straight back to your downloads folder – they are never uploaded to Fileopia or any third party.
- Test it yourself: once this page has loaded, switch off Wi‑Fi or mobile data and run the tool – it keeps working.
- Check the network: open your browser’s developer tools (F12 → Network) while processing; you will see no file upload requests.
- Nothing to delete: close the tab and the data is gone – there is no server copy, no retention period and no account.
File tools designed for local processing work in your browser. Practical file-size and performance limits depend on the selected tool, browser and device. Some features need an internet connection to load code or data.
Frequently asked questions
Is this tool free and secure?
Yes, all processing takes place 100% inside your browser. Your files are never uploaded to any server.
Are there any file limits?
No artificial server limits. Fast, private and unlimited conversions on your device.
Is there a limit on the number of files?
No fixed limit; very large batches depend on your device memory.
Are my files uploaded?
No, all conversion happens in your browser.
Is HTML to EPUB really free?
Yes. Every tool on Fileopia is free to use with no account required and no watermarks; practical file limits vary by tool and device. The site is supported by unobtrusive ads.
Are my files uploaded to a server?
No. Fileopia processes your files directly in your browser using JavaScript. Your documents never leave your device, so they stay completely private.
Does it work on mobile?
Yes. Fileopia works in any modern browser on Android, iPhone, iPad, Windows, Mac and Linux.