Although the most common use of proxies is in programs like Scrapebox where you just enter your proxies and forget about them, sometimes you might want to test your proxies in a browser like Firefox. If you are having trouble using the proxies in another program, but they are working in Firefox, then you know there must be a configuration issue with the program. Luckily, testing a proxy quickly in Firefox is simple.

First, get your proxies from proxy51. If you're just testing a proxy, make sure to grab that specific one.

Now in Firefox, go to Tools > Options.


In that options window, click Advanced.


Now click on the Network tab and the Settings button under that.


Click on Manual proxy configuration in this menu. Enter your IP address and port (that you got from Proxy51). Go back to Proxy51, and copy your proxy username and password to the clipboard.


Now, when you go to browse to a website, you should get a popup asking for your username and password. If you don't see this, see our troubleshooting guide.


Note: you should only have to enter your username and password once every couple of hours per IP address. If you want to use firefox for a bunch of proxies, check out extensions like FoxyProxy. The steps in this guide are best for one-off testing.

And of course, if you have any trouble, please do not hesitate to contact us with any questions.