"⇔" U+21D4 Left Right Double Arrow

If this site has been useful, we’d love your support! Consider buying us a coffee to keep things going strong!

Character

⇔

When checked, Bold & Italics will not work!

Lines mark the exact center of the stage, so you can see whether a character sits off-center — useful for combining marks, diacritics, and other asymmetric glyphs.

Change character color

Unicode Data

The Unicode character U+21D4, displayed as ⇔ and named "Left Right Double Arrow" is located in the Arrows block. This character was introduced in Unicode version 1.1 (1993). Find its HTML entities, UTF-8/UTF-16 encodings, hex values, and copy-paste details below.

Name:: Left Right Double Arrow
Category:: Math Symbol
Block:: Arrows
Script:: Common
Bidirectional:: Other Neutrals
Mirrored:: No
Unicode Version:: Unicode 1.1

Character Encodings

HTML Entity - Named:

⇔

&Leftrightarrow;

&DoubleLeftRightArrow;

&iff;

HTML Entity - Decimal:

⇔

HTML Entity - Hex:

⇔

Unicode:

U+21D4;

Decimal:

8660

CSS:

\0021D4

Javascript:

\u21D4

Perl:

\x{21D4}

Ruby:

\u{21D4}

Python:

u'\u21D4'

UTF-8 Encoding:

E28794

UTF-16 Encoding:

21D4

UTF-32 Encoding:

000021D4

Other Characters Based on - ⇔ (U+21D4)

Image	Browser	Unicode	Name
	⇎	U+21CE	Left Right Double Arrow With Stroke