

You would typically create a PDF if you wanted to ensure document fidelity, to make it more secure, or to create a copy for storage. Creating a PDF can involve compressing a file, making it take up less storage space. Based on the HTML markup language to store the content. They can be viewed on almost all devices. HTML Help is the primary format used for application help files in the Windows environment. PDF files aren’t typically created from scratch, but are usually converted, saved or ‘printed’ from other documents or images before sharing, publishing online or storing. It is maintained by the International Organisation for Standardization (ISO). The PDF format is now a standard open format that isn’t just available under Adobe Acrobat. In CHM file a number of HTML help files are compressed, compiled and. The format has evolved to allow for editing and interactive elements like electronic signatures or buttons. CHM is an HTML help file for online helps. It contains one or more inter-connected HTML documents compiled into a. It was developed by Adobe so people could share documents regardless of which device, operating system, or software they were using, while preserving the content and formatting. A CHM file is a document saved in the Compiled HTML Help format developed by Microsoft.

The generated CHM file is relatively small in size and, hence, can easily be distributed with software packages. The help authoring tool, HTML Help Workshop, provides an easy-to-use system for creating and managing help projects and their related files.PDF stands for ‘Portable Document Format’ file. The unique ability of CHM file format to implement a combined table of contents and index makes it distinct over other standard HTML pages. Most of the modern Microsoft Development environments support generating CHM documentation from information available in the application. The file format has been reverse-engineered, and. In addition, it is used in several other applications like training guides, interactive books, and electronic newsletters. It contains a set of HTML files, a hyperlinked table of contents, and an index file. CHM is Microsoft Proprietary online help file format that is often used for software documentation. The CHM file can be searched for contents via the provided search option. It provides an index for quick accessing the topics and navigation to different parts of the help document. The CHM file format represents Microsoft HTML help file that consists of a collection of HTML pages.
