Free 4K upscaler. True 4K quality, instant results.

Upload to get high resolution images
Supports JPG, PNG, WebP (max 4.5MB)
4K resolution, also known as Ultra HD (UHD), is 3840 x 2160 pixels - that's over 8 million pixels, or 4 times the pixels of Full HD (1920 x 1080). This high pixel density creates incredibly sharp, detailed images with lifelike quality.
As 4K TVs, monitors, and displays become standard, having 4K content is essential. Our 4K image upscaler uses AI to transform lower resolution images into true 4K quality, so your photos look stunning on any modern display.
4K is the new standard for visual quality
4K TVs and monitors are now standard. Your images should match their incredible resolution.
8 million pixels means you can see every detail, texture, and nuance in your images.
As displays continue to improve, 4K content ensures your images stay relevant.
Create stunning 4K visuals for any purpose
Create beautiful 4K wallpapers and screensavers for your TV
Display family photos in stunning 4K on your TV
Showcase digital artwork and prints in 4K quality
Display product images and marketing content in 4K
Three simple steps to 4K quality
Drop your image into our 4K upscaler. Supports JPG, PNG, WebP up to 20MB.
Our AI transforms your image to 4K resolution while enhancing detail and sharpness.
Get your stunning 4K image ready for TV, monitors, or large displays.
4K resolution is 3840 x 2160 pixels, which is 4 times the pixels of Full HD (1920x1080). This provides incredibly sharp, detailed images with over 8 million pixels.
Yes! Our AI can upscale any image to 4K resolution. However, best results come from images that are at least 960x540 pixels (1/4 of 4K). Smaller images will still be upscaled but may show some softness.
No! Our AI 4K upscaler adds intelligent detail during upscaling. It understands image content and reconstructs realistic textures, edges, and features rather than just stretching pixels.
For consumer displays, 4K and Ultra HD (UHD) are essentially the same - 3840 x 2160 pixels. True cinema 4K is slightly wider at 4096 x 2160, but TVs and monitors use the 3840 x 2160 standard.
Most images are upscaled to 4K in 45-90 seconds. The large output size requires more processing time, but our AI ensures high-quality results.
Yes! New users get 5 free credits to try our tools. Each 4K upscale costs 5 credits, so you can create 2 stunning 4K image for free.
Transform your images to stunning 4K resolution. Perfect for modern TVs and displays.