Sites and apps similar to uuu.tf include Character Map, which is free. Other options are CharacterMap, Unicode-Table.com, Unicode Blank Chars and Unicode Chars Number. In total there are five sites and apps like uuu.tf for Windows.
Character Map (Charmap.exe) is a utility included with Microsoft Windows operating systems and is used to view the characters in any installed font, to check what keyboard input (Alt code) is used to enter those characters, and to copy characters to the clipboard in lieu of...
United States
CharacterMap.org is a simple online character map. It is a tool that allows you to view the ASCII table and Unicode characters.
Handy online Unicode character table with search tool, short information about origin and history of most characters in eight languages and some great compose-tools.
Kyrgyzstan
Unicode Blank Chars, a portable tool that detects Unicode Blank characters based on the "System Case Insensitive Locale" rules!
Unicode Chars Number, is a portable tool that can be used to find the ordinal value (numeric character code) of any Unicode character!
