KchmViewer displays standard help files (.CHM) with numerous improvements on the default viewer, including tabbed content, search tools, bookmarks, full screen view, customizable interface, ability to export content, tabbed interface, conversion to HTML, and more.Includes a basic e-book viewer for EPUB files.The program is cross-platform with clients available for Mac and Linux. KchmViewer Portable is a portable version of the program. Alternatively, X-KchmViewer is also available.
New! Chm Reader Portable
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The EPUB format is the most widely supported e-book format, supported by most e-book readers except Amazon Kindle devices. Most e-book readers also support the PDF and plain text formats. E-book software can be used to convert e-books from one format to another, as well as to create, edit and publish e-books.
The digital book format originally used by Sony Corporation. It is a proprietary format, but some reader software for general-purpose computers, particularly under Linux (for example, Calibre's internal viewer[1]), have the capability to read it. The LRX file extension represents a DRM encrypted eBook. More recently, Sony has converted its books from BBeB to EPUB and is now issuing new titles in EPUB.
DOC is a document file format that is directly supported by few ebook readers. Its advantages as an ebook format is that it can be easily converted to other ebook formats and it can be reflowed. It can be easily edited using Microsoft software, and any of several other programs. Note that the format has changed several times since its original release, and there are numerous incompatibility difficulties between various releases and the assorted programs which attempt to read / write the format.
DOCX is a document file format that is directly supported by few ebook readers. Its advantages as an ebook format are that it can be easily converted to other ebook formats and it can be reflowed. It can be easily edited.
eReader is a freeware program for viewing Palm Digital Media electronic books which use the pdb format used by many Palm applications. Versions are available for Android, BlackBerry, iOS, Palm OS (not webOS), Symbian, Windows Mobile Pocket PC/Smartphone, and macOS. The reader shows text one page at a time, as paper books do. eReader supports embedded hyperlinks and images. Additionally, the Stanza application for the iPhone and iPod Touch can read both encrypted and unencrypted eReader files.
With the release of the Kindle Fire reader in late 2011, Amazon.com also released Kindle Format 8, also known as .AZW3. The .azw3 file format supports a subset of HTML5 and CSS3 features, with some additional nonstandard features; the new data is stored within a container which can also be used to store a Mobi content document, allowing limited backwards compatibility.[14][15][16]
Older Kindle e-readers use the proprietary format, AZW. It is based on the Mobipocket standard, with a slightly different serial number scheme (it uses an asterisk instead of a dollar sign) and its own DRM formatting. It also lacks some Mobipocket features such as JavaScript.[17] .prc publications can be read directly on the Kindle.
DRM-protected LIT files are only readable in the proprietary Microsoft Reader program, as the .LIT format, otherwise similar to Microsoft's CHM format, includes Digital Rights Management features. Other third party readers, such as Lexcycle Stanza, can read unprotected LIT files.
The Microsoft Reader uses patented ClearType display technology. In Reader navigation works with a keyboard, mouse, stylus, or through electronic bookmarks. The Catalog Library records reader books in a personalized "home page", and books are displayed with ClearType to improve readability. A user can add annotations and notes to any page, create large-print e-books with a single command, or create free-form drawings on the reader pages. A built-in dictionary allows the user to look up words.
The Mobipocket e-book format is based on the Open eBook standard using XHTML and can include JavaScript and frames. It also supports native SQL queries to be used with embedded databases. There is a corresponding e-book reader.
The reader has a full screen mode for reading and support for many PDAs, Communicators, and Smartphones. Mobipocket products support most Windows, Symbian, BlackBerry and Palm operating systems, but not the Android platform. Using WINE, the reader works under Linux or Mac OS X. Third-party applications like Okular, Calibre, and FBReader can also be used under Linux or Mac OS X, but they work only with unencrypted files.
All systems running the Newton operating system (the most common include the Newton MessagePads, eMates, Siemens Secretary Stations, Motorola Marcos, Digital Ocean Seahorses and Tarpons) have built-in support for viewing Newton books, through a system service known as Newton Book Reader. The Newton package format was released to the public by Newton, Inc. prior to that company's absorption into Apple Computer. The format is thus arguably open and various people have written readers for it (writing a Newton book converter has even been assigned as a university-level class project[25]).
Newton books have no support for DRM or encryption. They do support internal links, potentially multiple tables of contents and indexes, embedded gray scale images, and even some scripting capability using NewtonScript (for example, it's possible to make a book in which the reader can influence the outcome).[26] Newton books utilize Unicode and are thus available in numerous languages. An individual Newton Book may actually contain multiple views representing the same content in different ways (such as for different screen resolutions).
Because the format is designed to reproduce fixed-layout pages, re-flowing text to fit mobile device and e-book reader screens has traditionally been problematic. This limitation was addressed in 2001 with the release of PDF Reference 1.5 and "Tagged PDF",[28] but 3rd party support for this feature was limited until the release of PDF/UA in 2012.
Older PDF files are supported by almost all modern e-book readers, tablets and smartphones. Newer PDF files may not display properly on older e-readers, may not open, or may crash them. However, PDF reflow based on Tagged PDF, as opposed to re-flow based on the actual sequence of objects in the content-stream, is not yet commonly supported on mobile devices. Such Re-flow options as may exist are usually found under "view" options, and may be called "word-wrap".
Plucker is an Open Source free mobile and desktop e-book reader application with its own associated file format and software to automatically generate Plucker files from text, PDF, HTML, or other document format files, web sites or RSS feeds. The format is public and well-documented. Free readers are available for all kinds of desktop computers and many PDAs.
Rich Text Format is a document file format that is supported by many ebook readers. Its advantages as an ebook format are that it is widely supported, and it can be reflowed. It can be easily edited. It can be easily converted to other ebook formats, increasing its support.
The TomeRaider e-book format is a proprietary format. There are versions of TomeRaider for Windows, Windows Mobile (aka Pocket PC), Palm, Symbian and iPhone. Capabilities of the TomeRaider3 e-book reader vary considerably per platform: the Windows and Windows Mobile editions support full HTML and CSS. The Palm edition supports limited HTML (e.g., no tables, no fonts), and CSS support is missing. For Symbian there is only the older TomeRaider2 format, which does not render images or offer category search facilities. Despite these differences any TomeRaider e-book can be browsed on all supported platforms. The Tomeraider website[31] claims to have over 4000 e-books available, including free versions of the Internet Movie Database and Wikipedia.
Sumatra was designed for portable use, as it consists of one file with no external dependencies, making it usable from an external USB drive, needing no installation.[5] This classifies it as a portable application to read PDF, XPS, DjVu, CHM, eBooks (ePub and Mobi) and Comic Book (CBZ and CBR) formats.[3]
As is characteristic of many portable applications, Sumatra uses little disk space.[3] In 2009, Sumatra 1.0 had a 1.21 MB setup file,[6] compared to Adobe Reader 9.5's 32 MB.[7] In January, 2017, the latest version of SumatraPDF, 3.1.2, had a single 6.1 Mb executable file; in comparison, Adobe Reader XI used 320 MB of disk space.[8]
The PDF format's use restrictions were implemented in Sumatra 0.6,[9] preventing users from printing or copying from documents that the document author restricts, a form of Digital Rights Management. Kowalczyk stated "I decided that [Sumatra] will honor PDF creator's wishes".[10][11][12] Other open-source readers like Okular and Evince make this optional, and Debian patches software to remove these restrictions, in accord with its principles of interoperability and re-use.[13]
The command line will let you edit PDFs and convert documents (to HTML, PDF, SVG, and CBZ), and you can also use it to create your own scripts for manipulating documents using JavaScript. The library is written modularly in portable C language.
With an EXE file size of 40 MB, Nuance PDF Reader is the largest lightweight PDF reader on the list. If you need an uber small size, you would still be better off opting for Sumatra PDF or Slim PDF Reader.
Nonetheless, the app still comes in well below PDF readers like Foxit (100 MB) and Evince (80 MB). And despite its slightly larger size, it will still open your PDFs in a blink of an eye, so it is definitely a worthy app to consider.
Portable FlashBoot Free can be converted to Portable FlashBoot Pro by adding license_key.xml to it. You will have a separate link to download this file after your order. Alternatively, you can copy this file from C:\Program Files\FlashBoot folder, where your copy of FlashBoot Pro was installed by mainstream (non-portable) installer. 2ff7e9595c
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