How To Change Instagram Fonts For Your Profile & Captions:fire:
How do Custom Fonts work on Instagram?
Instagram uses the sans serif font style, but we see people using several other custom fonts. However, if you have noticed around the platform, there aren’t many custom fonts that you can use.
Most of the profiles use the stylish Handwritten Cursive font or the Bubble letter font style. Because the fonts you can use are limited.
Site to change fonts