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Sumatra PDF is a free and open-source document viewer that supports many document formats including: Portable Document Format (PDF), Microsoft Compiled HTML Help (CHM), DjVu, EPUB, FictionBook (FB2), MOBI, PRC, Open XML Paper Specification (OpenXPS, OXPS, XPS), and Comic Book Archive file (CB7, CBR, CBT, CBZ).
History of PDF. The Portable Document Format (PDF) was created by Adobe Systems, introduced at the Windows and OS/2 Conference in January 1993 and remained a proprietary format until it was released as an open standard in 2008. Since then, it has been under the control of an International Organization for Standardization (ISO) committee of ...
The project was created to provide a way for viewing PDF documents natively in the web browser, which prevents potential security risks when opening PDF documents outside a browser, as the code for displaying the document is sandboxed in a browser. Its implementation uses the Canvas element from HTML5, which allows for fast rendering speeds.
The hh.exe utility on Windows and the extract_chmLib utility (a component of chmlib) on Linux can also decompile CHM files. Microsoft's HTML Help Workshop and Compiler generate CHM files by instructions stored in a HTML Help project. The file name of such a project has the extension .HHP and the file is just a text with the INI file format.
Supports a range of annotation types. Annotations are stored separately from the unmodified PDF file, or (since version 0.15 with Poppler 0.20) can be saved in the document as standard PDF annotations. Evince: GNU GPL: Yes Yes Default PDF and file viewer for GNOME; replaces GPdf. Supports addition and removal (since v3.14), of basic text note ...
PDFtk (short for PDF Toolkit) is a toolkit for manipulating Portable Document Format (PDF) documents. [3] [4] It runs on Linux, Windows and macOS. [5] It comes in three versions: PDFtk Server ( open-source command-line tool ), PDFtk Free ( freeware) and PDFtk Pro ( proprietary paid ). [2] It is able to concatenate, shuffle, split and rotate PDF ...
Features. Notepad is a text editor, i.e., an app specialized in editing plain text. It can edit text files (bearing the ".txt" filename extension) and compatible formats, such as batch files, INI files, and log files . Notepad offers only the most basic text manipulation functions, such as finding and replacing text.
A web page is a structured document. The core element is a text file written in the HyperText Markup Language (HTML). This specifies the content of the page, [3] including images and video . Cascading Style Sheets (CSS) specify the presentation of the page. [3] CSS rules can be in separate text files or embedded within the HTML file.