Mathematical, Symbolic, and Special character entities for HTML.
Includes commonly-sought symbols:
Note: many of these are not supported by Microsoft Internet Explorer browser.
When encoding a URL, a character may not be available on the keyboard. Other times, the character of a URL might not be usable in contexts where it may conflict with a reserved character. In either case, the character can be encoded with a % followed by its ASCII hexadecimal equivalent code.
Shows top-level domain names in alphabetical order by abbreviation.
A Top-Level Domain (TLD) name is the rightmost set of characters following the rightmost "dot" in the unique name by which a computer is known on the Internet.