When you'll Hover over any of the symbol, you'll see various codes associated with that code. Decimal, Octal value, Hex value, Unicode, HTML entity code and JavaScript escaped codes have been provided. If you want to use these symbols in your web page, you should use HTML entity code. Just copy it and paste it in your HTML code.
In the above list, if you see an empty character —it means no Unicode has yet been defined for that code. In case you see a gibberish box instead proper character, it means your computer does not have appropriate glyph to display that character.
List of Available Character Maps
Following is the list of various languages for which we have character map charts available.