Offline CHM can download web pages and compile to CHM quickly. CHM is Compiled Html Help file format. It is a very popular and abundant file formats in internet. And it is very convenience to share resource and pack files up and backup them. Offline CHM downloads web pages quickly and packs them up to CHM files.Then you can share the files with your friends. Offline CHM has powerful function and it can be used easily. It can be integrated in Internet Explorer as a plug-in. Offline CHM supports INDEX and KEYWORDS of CHM. It also supports URLs and files drag-and-drop.