Compress AVIF Images for App Store

App Store screenshots and icons are the primary conversion drivers for app downloads. Properly optimized at exact dimensions, they display crisply on all device screen sizes. Next-generation image format based on the AV1 video codec. Offers superior compression to both WebP and JPEG. Use ImageSmith to compress your AVIF images to the ideal file size for App Store — target under 500KB for optimal performance. Processing is fully browser-based — no server uploads, no privacy risk.

Recommended format

PNG

Max file size

500KB

Dimensions

1290×2796 (iPhone 15 Pro Max screenshots), 1024×1024 (app icon)

App icons must be exactly 1024×1024 PNG without transparency
Screenshot sizes vary by device — submit for each device category
Use PNG for screenshots with UI elements and sharp text
App Preview videos display before screenshots in the gallery

Compress AVIF for Other Platforms

Compress AVIF for App Store — FAQ