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How to Upscale an Image with AI

Small, soft, or low-resolution image? AI upscaling can enlarge it 2× or 4× while adding detail and sharpness — far better than stretching it in a basic editor. Here's how to do it free in your browser, one image or a whole folder at a time.

Upscale a single image

Open the free PaintLasso Image Upscaler. It runs in your browser with nothing to install:

1. Drop your image in (PNG, JPG, or WebP), or paste it from the clipboard.
2. Choose 2× or 4×. Use 2× for a gentle boost, 4× to rescue small or old images.
3. Click "Upscale all" and download. The AI rebuilds edges and texture as it enlarges.

Batch upscaling (Topaz-style, free)

Have a whole set of product photos, game assets, or old scans? Drop them all in at once. The upscaler runs a queue, shows live progress per image, and lets you download the whole batch as a zip — the kind of mass workflow you'd pay for in desktop apps like Topaz, free to try here.

When to use 2× vs 4×

• 2× — already-decent images that just need more resolution for print or retina screens.
• 4× — small thumbnails, old photos, or pixel-limited art that needs a big jump. Best on clean sources.
• Tip: very noisy or heavily compressed images upscale better after a light cleanup first.

Related: Remove an image background free · Make pixel art online