Have you ever wondered how to read an ebook in ePub format on your desktop without any viewer installed? May be useful also on your smartphone if no reader is installed either.
Here you have direct access to upload your file, no registration, and free. All of these make this online service super efficient.
| Online eBook ePub Viewer (Fviewer) | Calibre | Adobe Digital Editions | Kindle app |
|---|---|---|---|
| Main use: The Fviewer page opens an EPUB file in the browser by drag and drop or by URL. It is meant for one-off reading when no reader is installed. | Main use: Calibre is a library manager with a viewer, a format converter, a metadata editor and a content server. It targets people who maintain a collection. | Main use: Adobe Digital Editions is a reader for EPUB and PDF with bookmarks, highlights, notes, full-text search and library borrowing. | Main use: The Kindle app is the reading application from Amazon for phones and tablets. It is built around Kindle content. |
| Formats and conversion: The viewer accepts EPUB files only and does not convert them. | Formats and conversion: Calibre views the major e-book formats and converts dozens of file types, with control over style, table of contents and margins. | Formats and conversion: The page lists EPUB, EPUB3 and PDF. It reads these formats but is not a converter. | |
| Installation and platform: Nothing is installed. It runs in a browser, on desktop or smartphone, which is the main reason to choose it. | Installation and platform: Calibre is installed locally and can run from a USB stick. Developers support Windows, Mac and Linux. | Installation and platform: Adobe lists PC, Mac, tablets and mobile devices, with apps on the App Store and Google Play. | Installation and platform: The app is installed on a mobile device, and its listing includes the Apple App Store. |
| Openness and cost: The service is free and the page mentions no account. An API lets other projects embed the viewer. Source code is not described. | Openness and cost: Calibre is free and open source, with optional donations and a plugin system. It is the only open source option of the four. | Openness and cost: The reader is a free download from Adobe. The page does not describe its licence terms. | |
| Privacy of the file: The page does not explain how an uploaded file is stored or deleted. A confidential or unpublished manuscript is better opened locally. | Privacy of the file: Library files stay on the local disk, and the optional content server is under the control of the user. | Privacy of the file: Files are handled in a local application, and library content can appear on several devices of the same account. |
Topics covered: eBook, ePub, online viewer, desktop, smartphone, file upload, no registration, free service, efficient, digital reading, compatibility, user-friendly, ISO 19005, ISO 21000, EPUB 3, and W3C EPUB..
Privacy: we have no feedback of potential problem with this tool and author. But like many online services, you are here providing them with your own data. Depending of the criticity of your data, this is your responsibility to assess author's reputation and potential misusage, and to check and accept their terms and conditions, or not.
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