Image Pixelate / Mosaic

Pixelate an image at a chosen block size. Classic mosaic effect.

Tool Media & Files Updated Apr 19, 2026
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How to Use
  1. Drop image.
  2. Set pixel block size.
  3. Download.
Image
▨
Drop image
Preview

How it works

Downsample
To w/block × h/block
Upsample
Nearest-neighbor
Effect
Large squares
Redaction
Prefer blur
Pixelate can be partially reversed.
Output
PNG
Privacy
Local

Frequently Asked Questions

Redaction?

Use a large block for privacy. Note: pixelation can sometimes be reversed — heavy blur is safer for identity.

Common Use Cases

Censor

Hide faces.

Art

8-bit look.

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