Free online EPUB to WEBM converter
Render EPUB pages as timed stills, then encode the slideshow as a WEBM video.
Convert EPUB to WEBM online - free
Show each page for
Your file is processed instantly and deleted as soon as you download it.
Import a file from a URL
Paste a direct link to the file. We download it to our server and it is converted exactly like an upload.
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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Perform .epub to .webm conversion
After successful file upload, click to convert when you are ready.
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Download converted .webm file
Conversion result is ready to download.
How to convert epub to webm file
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A WEBM file is useful when a device, kiosk, or video-sharing workflow accepts video but not EPUB. The conversion renders the book’s pages as timed still images; it does not turn the text into narration or preserve ebook navigation.
What the EPUB format is
EPUB is an ebook format containing web-based text, styles, images, and navigation. Its pages usually reflow to fit a screen, though some books use fixed layouts. You may encounter EPUBs exported from Adobe InDesign or edited with Sigil and Calibre.
What the WEBM format is
WEBM is a video container commonly used with VP8 or VP9 video and Opus or Vorbis audio. Browsers and many media players support it. For an EPUB conversion, the pages become a silent slideshow unless an audio track is added separately.
How to convert EPUB to WEBM
Online on 101convert.com
- Upload the EPUB file on the converter page; several files can be added for batch conversion. The page shows the per-file size limit.
- Choose WEBM as the output format and set show each page for to the desired duration.
- Start the conversion and download the resulting WEBM file.
Offline with desktop software
There is no standard one-step desktop conversion because an EPUB is a reflowable ebook, not a sequence of video frames. A free workflow uses Calibre, Poppler, and FFmpeg; all run on Windows, macOS, and Linux.
- In Calibre, open the EPUB and use Convert books. Set the output format to PDF, choose a page size in the conversion settings, and convert.
- Use Poppler’s
pdftoppmto render the PDF pages to numbered PNG images. For example, in a terminal runmkdir frames, thenpdftoppm -png -r 150 pages.pdf frames/page. - With FFmpeg installed, encode the images into a silent WEBM. This command holds each page for five seconds and outputs 30 frames per second:
ffmpeg -framerate 1/5 -i frames/page-%d.png -vf
Note: This epub to webm conversion record is incomplete, must be verified, and may contain inaccuracies. Please vote below whether you found this information helpful or not.
EPUB vs WEBM: format comparison
How the EPUB and WEBM formats compare on the properties that matter most for this conversion.
| Property | .EPUB EPUB | .WEBM WebM |
|---|---|---|
| Open standard | Yes | Yes |
| Compression | Both | Both |
| Typical file size | Small | Small |
| Opens in a web browser | Partial | Yes, natively |
| Further editing | Limited | Limited |
| Metadata support | Extensive | Basic |
| Plain-text readable | No | No |
| Best used for | Publishing | Streaming |
| Introduced | 2007 | 2010 |
| Developer | International Digital Publishing Forum (IDPF); later maintained under W3C | |
| MIME type | application/epub+zip | video/webm |
Information about file extensions and file types is provided by File-Extensions.org
Frequently asked questions
Is the EPUB to WEBM converter free?
Yes, converting EPUB to WEBM 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 20 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 WEBM?
No. The EPUB to WEBM 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 WEBM 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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