
Placements
Your app icon is the first impression users have of your mini app. It appears in the Base App discovery interface and throughout the social experiences.
- Search
- Home
- App category
- Browser header
Best Practices
Clarity at Small Sizes- Icons should be recognizable at 16x16px
- Avoid fine details that become unclear when scaled down
- Use bold, simple shapes and high contrast
- Reflect your app’s core functionality or brand identity
- Consider how the icon works in both light and dark themes
- Ensure it stands out among other mini apps
- Maintain visual consistency with your app’s overall design language
- Use the same color palette and style as your app interface
- Consider creating variations for different contexts
Specifications
iconUrl
in farcaster.json specifies your app’s icon. It should follow the guidelines below to ensure proper display in the Base App:
- Dimension:1024x1024px
- File Format: png.
- No alpha
Other App Metadata
In addition to the app icon, there are other app metadata that determine the first impression of your app. Aim for your metadata to provide helpful context, and properly set expectations with new users on what your app does.
Testing Your App Metadata
- Use Base Mini App Preview Tool to validate your metadata and check how your icon appears.
- Once published on the Base app, check how it renders in different placements.