Upscale an image to 2× Make a smoother, bigger image at twice the width and height using stepwise high-quality canvas smoothing and mild unsharp masking. No AI model and no invented detail. Output is capped at 25 MP. Your image stays on your device.
FAQ Does upscaling restore missing detail? No. High-quality smoothing and mild sharpening make a larger image look smoother, but do not recover or invent detail.
How large is the result? Width and height both double, so the pixel count quadruples. Inputs must fit 6.25 MP for a 25 MP output, within 16,384 pixels per side. Oversized results are rejected before canvas allocation.
What file do I download? A PNG at 2× dimensions, with transparency preserved. All processing runs locally without model downloads.
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