What Are Bold Italic Unicode Letters?
Bold italic Unicode letters (𝒂–𝒛, 𝑨–𝒁) combine bold weight with italic slant from the Mathematical Alphanumeric Symbols block. They're the most emphatic of the italic styles — perfect when you need text that is both slanted and heavy.
Where to Use Bold Italic Letters
- Instagram & TikTok bios — strong, dynamic style
- Facebook & LinkedIn — bold emphasis in plain text
- Discord & Twitter/X — stand out in feeds and chats
- YouTube descriptions — highlight key phrases
How to Copy
Click any letter above to open its detail page, then press Copy. Works on all devices and platforms.