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All processing runs locally in your browser · No data uploaded · 100% private
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Game Asset ToolsGIF to Sprite SheetSprite Sheet MakerSprite Sheet CutterPixel Art UpscalerImage to Pixel Art
BGZero

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Runs locally in browser, zero data upload

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  • Default engineAGPL-3.0
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Home/Game Asset Tools/Pixel Art Upscaler
All toolsGIF to Sprite SheetSprite Sheet MakerSprite Sheet CutterPixel Art UpscalerImage to Pixel Art

Pixel Art Upscaler — Enlarge Pixel Art Without Blur

Scale pixel art by exact integer multiples with nearest-neighbor rendering. Keep hard edges and transparency, entirely in your browser.

Upload pixel artPNG, JPG, WebP, BMP or static GIF · up to 25MB
Local Processing
Browser Runtime
Free to Use

All processing runs locally in your browser · No data uploaded · 100% private

How to upscale pixel art

  1. 1Upload your sprite, icon, tile, or pixel artwork.
  2. 2Choose an exact 2×, 3×, 4×, or 8× scale.
  3. 3Preview the crisp result and download a PNG.

Built for hard pixel edges

  • Nearest-neighbor scaling with no smoothing
  • Preserves transparent pixels and alpha edges
  • Exact integer scale factors
  • Local browser processing with no upload

Why normal image resizing blurs pixel art

Standard photo resizers blend neighboring colors. This tool disables interpolation so each source pixel becomes a clean block of equally colored output pixels.

Your files stay on this device

Processing and export happen inside your browser. BG-Zero does not upload these game assets to a server.

LocalNo UploadFree

Related game asset tools

Image to Pixel Art
Sprite Sheet Cutter
GIF to Sprite Sheet

Frequently Asked Questions

Pixel art scaling, transparency, output size, and privacy.

No. It uses exact nearest-neighbor scaling so original pixels remain crisp instead of inventing new detail.

Yes. PNG alpha transparency is preserved in the upscaled PNG.

Use an integer scale such as 2x or 4x that matches your game UI, engine, or display target.

No. Scaling and PNG export run locally in your browser.