File extension | |
File category | documents |
Description | PDF – is a cross-platform extension necessary for the visualization of printed materials in electronic form. It is developed by Adobe Systems using separate PostScript resources. PDF documents can exist separately from the OS or hardware tools with which they were developed. Files of this format do not have restrictions on the length, several types, and image options, as they allow you to embed various multimedia tools, scan-line, and vector images. They are supported by Adobe Reader and many browsers, providing the plugin is installed. |
Technical details | PDF supports color models CMYK, RGB, shades of gray, and also it has its technical formats for performing the exchange of finished documents. Any file contains a description of a 2D or 3D document with all the necessary components (scan-line, vector graphics, text, and more). The extension does not encode data associated with the software or OS used to develop and view it. |
Programs | Ghostview gPDF |
Main program | Adobe Viewer |
Developer | Adobe Systems |
MIME type |
File extension | .dwg |
File category | images |
Description | DWG is binary file formats used to store two and three-dimensional images mainly used by devices that use computers in design development. The file format's initial development was in the 1970s and is currently used by professionals like architects, engineers, and designers. Licensing for the AutoCAD application is by Autodesk, who owns the application, and it is commonly used as the standard for most CAD drawings. The auto desk has been resistant to people determining their source code and placing watermarks on the different released versions. |
Technical details | Files in the DWG format possess vector image data and metadata, which mainly using binary coding. A display of the DWG is executed based on instructions that came from data related to an image. Files created by AutoCAD are verified to increase the validation of the files. Software like the Autodesk DWG Trueview allows free usage but lacks the TrueConvert software. The free software allows users to view files while utilizing features like the measure and mark up, organization of sheet set and tracking their progress. For software like DraftSight, DWG files can be created, edited, and viewed. LibreDWG is developing free software libraries for files in the DWG format due to the absence of open-source viewers for this format. |
Programs | AutoCAD CorelCAD |
Main program | Adobe Illustrator |
Developer | Autodesk |
MIME type |