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.

Version 5.17 adds IDM download panel for web-players that can
be used to download flash videos from sites like YouTube,
MySpaceTV, and Google Videos. It also features complete Vista
support, YouTube grabber, redeveloped scheduler, and MMS protocol
support. The new version also adds improved integration for IE and
IE based browsers, redesigned and enhanced download engine, the
unique advanced integration into all latest browsers, improved
toolbar, and a wealth of other improvements and new features.