The website is http://factory-reset.com/

Ever want to reset that electronic devices that you have doesn’t seems to be working properly or works at all, or you installed too much apps or simply just want a fresh factory resets. Now these factory resets are mostly for computerized electronics devices such as mobile devices, cell phone, toys, and so on. However it may contain information on washing machine, dryer or other household appliance, and who knows many others electronic devices. By resetting it to factory reset, it’s like getting your device back to the first day you got the device, where it’s clean and fast.

I just reset an older tablet Archos 80 G9 to factory reset. By following quick simple direction available on this site http://factory-reset.com/ and got my device back to normal as like the first day I had it.