Pixel Art 4K Upscaler
Upscale tiny 16x16 or 32x32 pixel art images up to 4K resolution without bilinear blur using nearest-neighbor and xBRz algorithms.
Pixel Engine Controls
📋 Step-by-Step Guide: How to Use Pixel Art 4K Upscaler
Upload Small Pixel Art
Upload your 16x16, 32x32, or 64x64 pixel graphic.
Select Upscale Factor
Choose 4x, 8x, 16x, or 4K resolution upscale.
Download Sharp Image
Save your crisp, high-resolution PNG.
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Frequently Asked Questions
How do I resize pixel art without making it blurry?
Always use nearest-neighbor scaling instead of standard bilinear filtering. Our tool automatically enforces nearest-neighbor scaling.