Free Bandwidth TesterFree Bandwidth Tester

When you click "Start Test", a data flow is downloaded and then uploaded on our servers that will calculate your bandwidth speed from the TweakYourWindows Internet Services site (located in the United States).

Your bandwidth speed may be affected by the following factors:

• •Being located outside of the United States.
• •Performing other downloads and this test simultaneously.
• •Executing programs that use your bandwidth to monitor other resources.
• •Note that spyware or malware installed on your computer may also affect your internet speed