Internet Download Manager (IDM) 是一套可以將下載速度提高五倍以上的工具，能夠排程與回復中斷的下載任務。完善的錯誤回復機制，能夠回復被中斷的下載，例如網路連線中斷、電腦關機或是非預期的電力中斷。簡易的使用者界面讓 IDM 更加的親善與容易使用。
IDM 具有聰明的下載邏輯加速器能夠智慧地進行檔案分割，以提升下載速度。與其他下載管理軟體不同的是，IDM 能夠在下載檔案的同時動態的切割檔案，並回收使用已建立的連線，無需重覆建立連線與登入的過程，藉此達到最佳的加速效能。
What's new in version 5.16.3
We have added these features in response to IDM user requests.
* Completely remade the logic of download resume feature and added thepossibility to resume downloads for sites that use temporary download addresses or when download addresses expire
* Added the possibility to select a queue when you press on OK button on "Download all links with IDM" dialog and when you press on "Download Later" button on "Download file info" (start download) dialog
* Added a link to the page where download was taken over from a browser to "File Properties" dialog
* Made many other small improvements and fixed all known bugs
