Image Upscaler
Enlarge small images 2x, 3x or 4x while sharpening the parts that would otherwise turn blurry. Useful for low-resolution logos, old photos and screenshots you need bigger.
Add an image and click Upscale to compare: the left side is a plain enlargement and the right side is the enhanced result.
Upscale settings
How to use
When it helps
Enlarging an old small logo, a photo shrunk by a chat app, or a screenshot usually leaves soft, blurry edges. This tool enlarges the image smoothly in several steps, then applies edge sharpening (unsharp mask) and noise reduction.
It does not invent missing detail like AI upscalers do, but everything runs quickly on your own device and the image is never sent anywhere. Images with clear edges, such as logos, text and illustrations, benefit most from a higher sharpening setting.
Sharpening photos too much can create white halos along edges. Move the comparison line to find a natural-looking level.
FAQ
Does it use AI to restore detail?
No. It uses high-quality interpolation and sharpening. It does not create detail that was not there, but it is much crisper than a plain resize and runs quickly on your device.
How large can the result be?
Up to 8000px per side and 32 megapixels. If your choice would exceed that, the scale is lowered automatically.
Is my image uploaded to a server?
No. All processing happens inside your browser.
I see white outlines in the result.
The sharpening is too strong. Try lowering it to around 30 to 50%.
Can I use it for printing?
It does better than a plain resize when printing small images large, but there are limits if the original resolution is very low.