Yes, changing profile pictures to cartoons has become a noticeable trend on Quora. Many users are opting for cartoon versions of their photos for several reasons:

1. Privacy: Cartoon avatars offer a fun way to maintain anonymity while still providing a personal touch.
2. Aesthetics: Cartoon images can be visually appealing and make profiles stand out.
3. Personal Branding: Using a unique cartoon avatar can help in creating a recognizable personal brand on the platform.
4. Trend Influence: The rise of AI tools like AI Cartoonizer, ToonMe, and others has made it easier for users to create high-quality cartoon avatars, contributing to the trend.

Overall, the combination of privacy, aesthetics, and ease of creation has made cartoon profile pictures popular among Quora users. Use picture to cartoon AI tool online for free.