Pixelate Image
Apply a pixelation mosaic effect to images.
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About Pixelate Image
Create a pixelated mosaic effect by reducing image detail into larger color blocks. Useful for anonymizing faces or license plates in screenshots, or creating retro pixel art style effects. All processing happens in your browser.
How It Works
This tool downscales the image to a very small size (determined by the block size), then scales it back to the original dimensions using nearest-neighbor interpolation. This replaces fine details with uniform color blocks, creating the classic pixelated look.
Step by Step
- 1 Upload a JPEG, PNG, or WebP image
- 2 Adjust the block size — larger values create bigger pixels
- 3 Click Pixelate to apply the effect
- 4 Download the pixelated image
Tips
- Block size 5-10 gives subtle pixelation; 30-50 creates a strong mosaic effect.
- Use high block sizes (50+) to fully anonymize faces or text in screenshots.
- For retro pixel art, try block sizes between 8 and 16.
- Pixelated images often compress very well in JPEG format.