What is UIFaces and how does it work?
UIFaces provides free, AI-generated avatar images specifically designed for use in design mockups and prototypes, offering human, alien, cartoon and abstract avatar styles, with direct integration into Figma and Adobe Express through dedicated plugins.
UIFaces standout strengths
The specific use case this addresses, needing realistic-looking placeholder profile pictures in a design mockup without the real licensing complications of stock photos of actual people, is a genuine, common problem in design work, and UIFaces solves it cleanly and specifically. A designer showing a social app mockup or a user profile screen needs faces that look real and are not tied to an actual identifiable person's likeness in a way that could cause problems later.
The Figma and Adobe Express plugin integration is a real workflow convenience, letting a designer pull avatars directly into an active project without breaking flow to visit a separate website and manually download and import images.
The variety across human, alien, cartoon and abstract categories covers a genuinely wide range of design contexts, from a realistic social app mockup to a more playful, illustrated product design, all from one consistent source.
UIFaces weaknesses and drawbacks
The library, while genuinely useful, is finite, and with 300,000-plus designers reportedly using the same resource, there is a real, if minor, chance of the same specific avatar appearing across different designers' unrelated projects, which matters more for a portfolio piece meant to look distinctly original than for internal prototyping work.
AI-generated human faces, even good ones, occasionally carry subtle artefacts or an uncanny quality on close inspection that a genuinely real photograph would not, worth being aware of if your mockup will be viewed closely rather than as a quick, glanced-at placeholder.
There is no custom generation capability here, you are selecting from an existing, curated library rather than generating an avatar matching very specific requirements, which is a real limitation if your mockup needs a very particular kind of face that the existing library does not happen to include.
UIFaces pricing & plans (2026)
Free, all avatars marked as free to download.
This suits UI and UX designers building mockups and prototypes that need realistic-looking placeholder profile pictures, product designers demonstrating social or user-profile features, and anyone specifically wanting to avoid the licensing complications of using real stock photos of people in work that will not ultimately ship with those exact images. It is a weaker fit for anyone needing a genuinely custom, specific avatar generated to precise requirements, and a weaker fit for use cases beyond avatar and profile-picture-style imagery specifically.
Who is UIFaces best for?
| User type |
Why it fits |
Considerations |
| UI and UX designers |
Purpose-built for realistic mockup placeholder avatars |
Same library used widely, minor risk of repetition across projects |
| Figma and Adobe Express users |
Direct plugin integration into existing workflow |
No custom generation beyond the existing library |
| Product prototypers |
Genuine variety across human, alien, cartoon and abstract styles |
Human avatars can occasionally show subtle AI artefacts on close inspection |
| Anyone needing licensed real photos |
Weaker fit |
These are AI-generated, not real people, which is the point and a limitation depending on your need |
| General stock photo needs |
Weaker fit |
Specifically avatar and profile-picture focused, not a broader photo library |
UIFaces review: final verdict
UIFaces solves a specific, genuinely common design problem cleanly: realistic-looking placeholder avatars for mockups and prototypes, free, with direct integration into the tools designers already use. The variety across categories and the plugin support for Figma and Adobe Express make it a real, practical addition to a design workflow.
The library's finite size and the occasional subtle artefacts in AI-generated faces are honest, minor limitations rather than significant drawbacks for the specific use case it targets.
4 out of 5. A genuinely useful, free, well-integrated tool for exactly the mockup and prototyping need it addresses.