Square symbols are frequently used in various contexts, such as in design, mathematics, user interface elements, and graphic representations. These symbols include filled and empty squares, as well as square-related shapes and variations. The ALT codes for a few common square symbols are listed here for simple insertion on Windows-based systems.

Below is the list of different Square Symbols:

White Square With Rounded Corners

Unicode: U+25A2

Alt Code: Alt+9634

HTML Code: ▢

CSS Code: \25A2

Square with Upper Left Diagonal Half

Unicode: U+25A2

Alt Code: Alt+9634

HTML Code: ▢

CSS Code: \25A2

Square with Upper Right Diagonal Half

Unicode: U+25A8

Alt Code: Alt+9640

HTML Code: ▨

CSS Code: \25A8

Square With Diagonal Crosshatch Fill

Unicode: U+25A9

Alt Code: Alt+9641

HTML Code: ▩

CSS Code: \25A9

Black Small Square

Unicode: U+25AA

Alt Code: Alt+9642

HTML Code: ▪

CSS Code: \25AA

White Small Square

Unicode: U+25AB

Alt Code: Alt+9643

HTML Code: ▫

CSS Code: \25AB

Square With Left Half Black

Unicode: U+25E7

Alt Code: Alt+9703

HTML Code: ◧

CSS Code: \25E7

Square With Right Half Black

Unicode: U+25E8

Alt Code: Alt+9704

HTML Code: ◨

CSS Code: \25E8

Square With Upper Left Diagonal Half Black

Unicode: U+25E9

Alt Code: Alt+9705

HTML Code: ◩

CSS Code: \25E9

Square With Lower Right Diagonal Half Black

Unicode: U+25EA

Alt Code: Alt+9706

HTML Code: ◪

CSS Code: \25EA

White Square With Vertical Bisecting Line

Unicode: U+25EB

Alt Code: Alt+9707

HTML Code: ◫

CSS Code: \25EB

White Square With Upper Left Quadrant

Unicode: U+25F0

Alt Code: Alt+9712

HTML Code: ◰

CSS Code: \25F0

White Square With Lower Left Quadrant

Unicode: U+25F1

Alt Code: Alt+9713

HTML Code: ◱

CSS Code: \25F1

White Square With Lower Right Quadrant

Unicode: U+25F2

Alt Code: Alt+9714

HTML Code: ◲

CSS Code: \25F2

White Square With Upper Right Quadrant

Unicode: U+25F3

Alt Code: Alt+9715

HTML Code: ◳

CSS Code: \25F3

White Medium Square

Unicode: U+25FB

Alt Code: Alt+9723

HTML Code: ◻

CSS Code: \25FB

Black Medium Square

Unicode: U+25FC

Alt Code: Alt+9724

HTML Code: ◼

CSS Code: \25FC

White Medium Small Square

Unicode: U+25FD

Alt Code: Alt+9725

HTML Code: ◽

CSS Code: \25FD

Black Medium Small Square

Unicode: U+25FE

Alt Code: Alt+9726

HTML Code: ◾

CSS Code: \25FE

Squared Key

Unicode: U+26BF

Alt Code: Alt+9919

HTML Code: ⚿

CSS Code: \26BF

White Diamond In Square

Unicode: U+26CB

Alt Code: Alt+9931

HTML Code: ⛋

CSS Code: \26CB

Squared Saltire

Unicode: U+26DD

Alt Code: Alt+9949

HTML Code: ⛝

CSS Code: \26DD

Falling Diagonal In White Circle In Black Square

Unicode: U+26DE

Alt Code: Alt+9950

HTML Code: ⛞

CSS Code: \26DE

Square Four Corners

Unicode: U+26F6

Alt Code: Alt+9974

HTML Code: ⛶

CSS Code: \26F6

Cup On Black Square

Unicode: U+26FE

Alt Code: Alt+9982

HTML Code: ⛾

CSS Code: \26FE

Lower Right Drop-shadowed White Square

Unicode: U+274F

Alt Code: Alt+10063

HTML Code: ❏

CSS Code: \274F

Upper Right Drop-shadowed White Square

Unicode: U+2750

Alt Code: Alt+10064

HTML Code: ❐

CSS Code: \2750

Squared Logical And

Unicode: U+27CE

Alt Code: Alt+10190

HTML Code: ⟎

CSS Code: \27CE

Squared Logical Or

Unicode: U+27CF

Alt Code: Alt+10191

HTML Code: ⟏

CSS Code: \27CF

White Square With Leftwards Tick

Unicode: U+27E4

Alt Code: Alt+10212

HTML Code: ⟤

CSS Code: \27E4

White Square With Rightwards Tick

Unicode: U+27E5

Alt Code: Alt+10213

HTML Code: ⟥

CSS Code: \27E5

Squared Rising Diagonal Slash

Unicode: U+29C4

Alt Code: Alt+10692

HTML Code: ⧄

CSS Code: \29C4

Squared Falling Diagonal Slash

Unicode: U+29C5

Alt Code: Alt+10693

HTML Code: ⧅

CSS Code: \29C5

Squared Asterisk

Unicode: U+29C6

Alt Code: Alt+10694

HTML Code: ⧆

CSS Code: \29C6

Squared Small Circle

Unicode: U+29C7

Alt Code: Alt+10695

HTML Code: ⧇

CSS Code: \29C7

Squared Square

Unicode: U+29C8

Alt Code: Alt+10696

HTML Code: ⧈

CSS Code: \29C8

Two Joined Squares

Unicode: U+29C9

Alt Code: Alt+10697

HTML Code: ⧉

CSS Code: \29C9

Square With Contoured Outline

Unicode: U+29E0

Alt Code: Alt+10720

HTML Code: ⧠

CSS Code: \29E0

Error-barred White Square

Unicode: U+29EE

Alt Code: Alt+10734

HTML Code: ⧮

CSS Code: \29EE

Error-barred Black Square

Unicode: U+29EF

Alt Code: Alt+10735

HTML Code: ⧯

CSS Code: \29EF

Square With Top Half Black

Unicode: U+2B12

Alt Code: Alt+11026

HTML Code: ⬒

CSS Code: \2B12

Square With Bottom Half Black

Unicode: U+2B13

Alt Code: Alt+11027

HTML Code: ⬓

CSS Code: \2B13

Square With Upper Right Diagonal Half Black

Unicode: U+2B14

Alt Code: Alt+11028

HTML Code: ⬔

CSS Code: \2B14

Square With Lower Left Diagonal Half Black

Unicode: U+2B15

Alt Code: Alt+11029

HTML Code: ⬕

CSS Code: \2B15

Dotted Square

Unicode: U+2B1A

Alt Code: Alt+11034

HTML Code: ⬚

CSS Code: \2B1A

Black Large Square

Unicode: U+2B1B

Alt Code: Alt+11035

HTML Code: ⬛

CSS Code: \2B1B

White Large Square

Unicode: U+2B1C

Alt Code: Alt+11036

HTML Code: ⬜

CSS Code: \2B1C

Black Very Small Square

Unicode: U+2B1D

Alt Code: Alt+11037

HTML Code: ⬝

CSS Code: \2B1D

White Very Small Square

Unicode: U+2B1E

Alt Code: Alt+11038

HTML Code: ⬞

CSS Code: \2B1E

Black Square Centred

Unicode: U+2BC0

Alt Code: Alt+11200

HTML Code: ⯀

CSS Code: \2BC0

Square Position Indicator

Unicode: U+2BD0

Alt Code: Alt+11216

HTML Code: ⯐

CSS Code: \2BD0

Maths Symbols

Triangle Symbols Square Symbols Rectangle Symbols Pentagon Symbols Hexagon Symbols Circle Symbols Harpoon Symbols Diamond Symbols Diagonal Symbols Intersection Symbols Ellipse Symbols Arc Symbols Integral Symbols Trigram Symbols Lozenge Symbols Summation Symbols Less Than Symbols Greater Than Symbols Equal Symbols Identical Symbols Delta Symbols Root Symbols Angle Symbols Percent Symbols Plus Sign Symbols Minus Sign Symbols Division Sign Symbols Fraction Symbols