About bold unicode characters
These bold unicode characters are not originally intended to be used for styling text — they're for use in mathematics.
Many people use tools like this to create emphasis on social media or instant messaging apps that don't allow stylized text.
It's not recommended to use the characters from this tool in social media:
- They create accessibility issues for people who use screen readers
- They don't display on many devices
- They have a strong association with spam and online scams
If you'd like to learn more about how they work, and why you should avoid using them read: Accessibility issues with stylized unicode characters.