Right Arrow Over Left Arrow

Unicode
U+21C4
Category
Arrows
HTML Entity
⇄
CSS
\21C4
The Right Arrow Over Left Arrow symbol (⇄) depicts two parallel horizontal arrows pointing in opposite directions. It frequently represents a bidirectional relationship, an interchangeable state, or a reversible process in technical contexts. In digital interfaces, you will often see it used to indicate swapping, exchanging, or syncing data.

How to Type

Windows
Alt+8644 or Win+. then search 'arrows'
macOS
Control+Command+Space then search 'right arrow over left arrow'
Linux
Ctrl+Shift+U then 21c4 then Enter
HTML
⇄ or ⇄

In Programming

In programming and computer science, this symbol often denotes bidirectional data binding, network routing, or the swapping of variable values. It is also used in logic and mathematics to show mutual implication.

Tags

arrow back and forth bidirectional arrow data exchange exchange exchange arrows opposite arrows reversible process right over left swap swap symbol sync icon toggle symbol transfer two-way arrow

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