Privacy, Security and Freedom

Download UltraSurf

UltraSurf is a free software which enables users inside countries with heavy Internet censorship to visit any public web sites in the world safely and freely. Users in countries without internet censorship also use it to protect their internet privacy and security.

With UltraSurf started, you can use web browsers (like IE, Firefox) the same as before, but all are under UltraSurf's protection now.

Download release version UltraSurf 10.08(.zip)
(md5: 5b715c562a598229f3ed6afec5945127)

Download release version UltraSurf 10.08(.exe)
(md5: b2d30ed05e7a230b1d6254666234d51f)


It's a small, green software. No installation needed. You need to unzip the file if you download the zip version. Double-click the UltraSurf executable file to start UltraSurf program.

Add-on for Firefox

Firefox users need to download the firefox add-on besides the above software:

Download Firefox add-on(.zip)
(md5: 6ce151b1b0ef8430031a8e9a69f38806)


Unzip it, drag the wjbutton_en.xpi file to firefox window. Click the "Install" button in the pop-up window to install it. The UltraSurf icon will show at the right-bottom of the firefox window. Close all firefox windows and re-open firefox.

A grey-out UltraSurf icon means UltraSurf is disabled. A bright colorful icon means UltraSurf is enabled. Click it to enable/disable it. To change the settings or uninstall it, go to "tools/add-ons" of firefox.

Start UltraSurf program and enable the firefox add-on, your internet activities thru Firefox will be under UltraSurf's protection.

Automatic upgrade

When UltraSurf software releases a new version, you will see a pop-up window telling you to download the latest version when you open the UltraSurf home page.