Outline font generator

Create 𝕠𝕦𝕥𝕝𝕚𝕟𝕖𝕕 text to copy and paste in Facebook posts, Instagram bios, instant messages, emails, and more.

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Double struck / outlined / blackboard bold
𝔻𝕠𝕦𝕓𝕝𝕖 𝕊𝕥𝕣𝕦𝕔𝕜

Double struck / outlined / blackboard bold

Double struck is also known as blackboard bold. It originated as an attempt to create bold lettering with chalk on a blackboard.

The style worked its way into mathematical equations. Later, it was emulated on typewriters by overlaying the same character twice, leading to the name “double struck.”

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