Nearest-Neighbor Mosaic
Sharp, authentic pixel blocks without blurry anti-aliasing artifacts.
Pixelate Images for Censorship or Retro Aesthetics
Obscure faces and private details, or turn photos into chunky retro mosaic graphics.
Private by designRuns locally in browserNo signup needed
Drop images here or click to browseSupports JPG, PNG, WebP and browser-supported AVIF
Your images never leave your computer.
Image Well Done executes all image algorithms inside your browser memory. We never transmit your image bytes, metadata, or filenames to a remote server.
How to use Pixelate Image
- 1Upload the image you wish to pixelate.
- 2Adjust the block size slider to control how chunky the pixelation appears.
- 3Inspect the live nearest-neighbor pixel mosaic.
- 4Click "Apply Effect" and download your pixelated image.
Censorship & Privacy
Quickly obscure license plates, IDs, and faces before sharing images publicly.
100% Local Execution
Never uploads original unblurred sensitive images to any remote server.
Frequently Asked Questions
Can pixelated details be reversed by someone else?
No. The downsampling irreversibly merges groups of pixels into single color blocks, discarding the original high-frequency detail permanently.