This code point first appeared in version 1.1 of the Unicode® Standard and belongs to the "Arrows" block which goes from 0x2190 to 0x21FF.
You can safely add this character in your html code with the entity: ⇔
You can use the u+21D4 copy pc button below.
Easy u+21D4 copy paste:
U+21D3
>Unicode meta-data
The following table show specific meta-data that is known about this character.The u+21D4 name is left right double arrow emoji.
| field | value |
|---|---|
| Codepoint (hex) | 21D4, u21D4 |
| Character age | Unicode 1.1 |
| Legacy name (Unicode 1.0) | - |
| Official name (Unicode 15.0) | LEFT RIGHT DOUBLE ARROW |
| resolved name | left right double arrow |
| block | Arrows (Arrows) |
| common typos | u+12D4, u+D214 |
There are alternative spelling that can be found in the wild for the unicode character 21D4 like u 21D4, (u+21D4) or u +21D4. You can also find u-21D4, u*21D4, un+21D4, u21D4, u=21D4 or c+21D4. You can also spell it with u 21D4 unicode, u plus 21D4, uncode 21D4 or unicode + 21D4.
Its bidirectional class is "ON":Other Neutrals (All other characters, including OBJECT REPLACEMENT CHARACTER)
Glyphs and symbols in your browser
The following unicode chart presents different versions of the glyph corresponding to the unicode characters u+21D4 that are available on your computer.
In order to type this character easily, you may want to download and install a unicode Arrows keyboard.
A sample of fonts are used below to display whether the character has a glyph in this font or not.
Encodings (Unicode characters converter)
The following character table converter for +u21D4 allows you to see the value of the character in different encodings
| encoding | hexadecimal | decimal | binary |
|---|---|---|---|
| UTF-8 | E2 87 94 | 14845844 | 11100010 10000111 10010100 |
| UCS2 | D4 21 | 54305 | 11010100 00100001 |
| UTF-16LE | D4 21 | 54305 | 11010100 00100001 |
| UTF-16BE | 21 D4 | 8660 | 00100001 11010100 |
| UTF7 | 2B 49 64 51 2D | 185914904877 | 00101011 01001001 01100100 01010001 00101101 |
| UTF7-IMAP | 26 49 64 51 2D | 164440068397 | 00100110 01001001 01100100 01010001 00101101 |