In some conditions, you need to encode your HTML or JavaScript to implement it in some specific places. So You need to encode it to escape the special characters that includes in the code e.g < and > symbols. For example, if you want to add Google Adsense Code into your XML or HTML editing page then you have to escape all special characters otherwise Google Ads will not appear. I am adding the encoder for your ease, you have to just copy your code and then paste it in first box and get the encoded/escaped code from the box below and paste it to your required space within HTML or XML editing page.