How much can I upscale an image?

You can enlarge images by 2x, 3x, or 4x their original dimensions.

Will upscaling make a blurry image sharp?

No — upscaling enlarges the image using smart interpolation and light sharpening, but it can't invent detail that wasn't in the original. Already-sharp images upscale best.

Is there a maximum output size?

Yes, to keep processing fast and reliable, the upscaled result is capped at 8000px on the longest side.

Image tool

Image Upscaler

Enlarge images up to 4x while preserving sharpness — free, no signup required.

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About Image Upscaler

Upscaling an image increases its resolution and dimensions, useful when you need a larger version of a photo for printing, a bigger display size, or to meet a platform's minimum resolution requirement. Our free image upscaler uses high-quality interpolation with a sharpening pass to keep enlarged images looking crisp rather than blurry.

Choose a scale factor between 2x and 4x, upload your image, and download the enlarged result. Works best on images that are already reasonably sharp — heavily blurry or low-quality source images won't gain detail that wasn't there originally.