IDM allows users to automatically download any file types, divides downloads into multiple streams for faster downloading, batch downloading, Import and Export of download jobs, auto/manual update of download address, supports multiple queues and lists recent downloads for easy access to files. It can search for mirrors in order to increase download speeds and also supports downloading videos from many streaming video sites. The IDM algorithm includes dynamic segmentation throughout the downloading process. IDM supports HTTP, FTP, HTTPS and MMS protocols, Microsoft ISA and FTP proxy servers and authentication protocols like Basic, Negotiate, NTLM, and Kerberos allowing for storage and auto-authentication of user names and passwords.
The software ships in two versions. One is a free, 30-day trial. The application stops functioning at the end of the trial period unless a license is purchased. The other version is commercial for continual use. IDM works with Internet Explorer, Opera, Netscape Navigator, Apple Safari,Flock, Google Chrome, Mozilla, and Mozilla Firefox