Below you can see preview popular square fonts. You can download any square font for free in TrueType (.ttf) and OpenType (.otf) format. It's available for Windows 7 and MacOS.
Cachet Book
01 Digit Graphics
01 Digit Mono
Beethoven
Quer Regular
Cranberry Gin
Gotthard
Block
Control Freak Upset
Hexagon
Bandwidth Bandless BRK
Infinity Formula
Puzzle
Blackout
Bad Mofo
Discognate Light
Bravado
Rocket
Bomb Factory
Chunk
Rocket Type
Block Out
Cybergenics
Quadrron Regular
Box Top
Mutter
Atmosphere
Librium
Qbicle 1 BRK
Gothic fonts
Horror fonts
Monsters fonts