Pixotter
Resize Image to 3840x2160
3840x2160 pixels (4K UHD) is the standard resolution for ultra-high-definition displays and TVs. Desktop wallpapers, digital signage, and premium web banners at this resolution look sharp on the latest monitors.
3840x2160 px
About 3840x2160 Pixels
Dimensions: 3840 pixels wide × 2160 pixels tall
Aspect ratio: 16:9
Common uses: 4K displays, ultra-HD wallpapers
How It Works
1
Drop your image
Drag and drop any image — JPEG, PNG, WebP, AVIF, and more are all supported.
2
Resize to 3840x2160
The tool pre-fills the target dimensions (3840×2160 pixels). Choose fit mode: contain (preserve ratio), cover (fill and crop), or stretch (exact dimensions).
3
Download the result
Your resized image is ready. Optionally compress or convert the format before downloading.
Your images never leave your browser. All processing happens locally on your device — nothing is uploaded to any server.