Crop WebP Images to 21:9 (Ultrawide / Cinematic)
The 21:9 Ultrawide / Cinematic ratio is used for: ultrawide wallpapers, cinematic banners, gaming headers, premium hero sections. Ultrawide cinematic ratio used for ultrawide monitor wallpapers, cinematic cover photos, and premium website hero sections with dramatic horizontal depth. When preparing WebP images in 21:9 format, optimize file size alongside the crop — ImageSmith compresses your WebP to the perfect size for any platform. Common 21:9 dimensions: 2560×1080, 3440×1440, 5120×2160.
Aspect Ratio
21:9
Name
Ultrawide / Cinematic
Format
WebP
Example size
2560×1080, 3440×1440, 5120×2160
▸ultrawide wallpapers
▸cinematic banners
▸gaming headers
▸premium hero sections
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