While no dedicated "free plugin" works reliably in 2023/2024, the combination of Smart Filters and free Actions provides a professional and safe alternative.
Comic book and pen-and-ink styles.
| Plugin | Ease of Use | Cartoon Quality | Safety | | :--- | :--- | :--- | :--- | | | Very Easy | High | Safe (Official) | | Fotosketcher | Easy | Very High | Safe | | Mehdi Cartoonizer | Extremely Easy | Medium | Older but safe | | Xe847 | Medium | Medium | Check scans | | G'MIC | Hard | Professional | Safe (Open source) | photoshop cartoon effect plugin free download
Simple, fast results.