⇄
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