FlashFXP offers the easiest and fastest way to transfer any file using FTP, providing an exceptionally stable and robust program that you can always count on to get your job done quickly and efficiently. There are many, many features available in FlashFXP. Here are just a few of them:

Local and Site to Site File transfers.
FlashFXP allows you to transfer files from any FTP server directly to your local hard drive, or transfer files between two ftp sites (Site-to-Site transfers), giving you total control over any situation.
FTP Proxy, HTTP Proxy, Socks 4 & 5 support.
FlashFXP can handle thousands of connection types. If you are behind a firewall, proxy or gateway, no need to worry, as FlashFXP can be configured to support almost any network configuration.
Full Featured User Interface with Drag & Drop Support.
FlashFXP has an intuitive and full featured user interface, allowing you to do all the common tasks with just a few clicks. It also support full drag & drop, so you can transfer files, synchronize folders, find files and schedule tasks with just one click.
 

Performance
Fully tested and supports gigabit speeds (including Jumbo Frames)
MODE Z support for on-the-fly streaming compression.
Support for FEAT and "stat -l" fast directory listing reduces overhead and improves compatibilty.
Download and upload speed limiting. Save some of your bandwidth for browsing the web.