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.
Internet Download Manager supports proxy servers, ftp and http protocols, firewalls, redirects, cookies, authorization, MP3 audio and MPEG video content processing. IDM integrates seamlessly into Microsoft Internet Explorer, Netscape, MSN Explorer, AOL, Opera, Mozilla, Mozilla Firefox, Mozilla Firebird, Avant Browser, MyIE2, and all other popular browsers to automatically handle your Downloads. You can also drag and drop files, or use Internet Download Manager from command line. Internet Download Manager can dial your modem at the set time, Download the files you want, then hang up or even shut down your computer when it's done.
Other features include multilingual support, zip preview, Download categories, scheduler pro, sounds on different events, HTTPS support, queue processor, html help and tutorial, enhanced virus protection on Download completion, progressive Downloading with quotas (useful for connections that use some kind of fair access policy or FAP like Direcway, Direct PC, Hughes, etc.), built-in Download accelerator, and many others.