⇄

Technical information

Symbol⇄
NameRightwards arrow over leftwards arrow
Unicode numberU+21C4
CategoryPaired triangle-headed arrows
DescriptionThe Unicode character ⇄, or U+21C4, is known as the "Rightwards Arrow Over Leftwards Arrow". It belongs to the "Arrows" block and falls under the "Symbol, Math" category in the Unicode standard. This character is a graphic representation of two horizontal arrows, one pointing right and layered on top of another pointing left. It is commonly used in contexts to represent exchange, swap, or mutual actions between two entities. The specific appearance and usage of this character can depend on the system and application it's being used in.

Encoding

HTML Entity⇄
HTML Entity (hex)⇄
HTML Entity (named)⇄
URL Escape Code%E2%87%84
UTF-8 (hex)0xE2 0x87 0x84
UTF-8 (binary)11100010:10000111:10000100
UTF-160x21C4
UTF-320x000021C4

Source Code

C, C++, and Java"\u21C4"
CSS Code\21C4
JavaScript"\u21C4"
Perl\x{21C4}
Python 2u"\u21C4"
Python 3\u21C4
Ruby\u{21C4}

Preview

This Unicode character looks like this ⇄ in sentence and in bold like this ⇄ and in italic like this ⇄.

Font size:

⇄
12px
⇄
16px
⇄
20px
⇄
28px
⇄
36px
⇄
48px
⇄
72px

CSS Property: font-weight

⇄
100
⇄
200
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300
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400
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500
⇄
600
⇄
700
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800
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900

HTML Forms and Input

input
disabled input
⇄
input-group
select
button
button

Code examples in HTML and CSS

<span>&#8644;</span>

            
span {
    content: "\21C4";
}

The symbol in different fonts

⇄
-apple-system
⇄
Apple Color Emoji
⇄
Arial
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BlinkMacSystemFont
⇄
Courier New
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Georgia
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Droid Sans
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Helvetica
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Noto Sans
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Oxygen
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Roboto
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"Segoe UI"
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sans-serif
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Segoe UI Emoji
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Segoe UI Symbol
⇄
system-ui
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Times New Roman
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Ubuntu
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Verdana

References