Character Encoding
UTF-8
0xE20x870x91
UTF-16
0x21D1
UTF-32
0x000021D1
Copy & Paste Codes
Unicode Escape
\u{21D1}
HTML Entity (Decimal)
⇑
HTML Entity (Hex)
⇑
CSS Code
\21D1
JavaScript/JSON
String.fromCodePoint(0x21D1)
Python
chr(0x21D1)
Ruby/PHP
chr(0x21D1)
Unix, C, PHP, JAVA
0x21D1
Perl
chr(0x21D1)
URL Encoded
%21d1