Pixelate Image

Pixelate any image online with adjustable pixel size and output dimensions. Create a mosaic effect for privacy or style and download as PNG - runs locally in your browser.

Pixelate Image
Pixelate any image instantly - choose pixel size, output dimensions, and download as PNG.
Input
Choose an image (PNG, JPG, WebP, etc.).
Options
Upload an image to pixelate.
OUTPUT (PREVIEW)
Upload an image to see a pixelated preview here.
Upload + apply to enable download.
Pixelation is great for privacy (blurring faces/screens), retro effects, thumbnails, and UI mockups where you want to hide sensitive details.
Tip: Increase Pixel size for a stronger mosaic effect. Use Contain to preserve the full image or Cover to fill the output (may crop).
Runs locally in your browser. Your images are not uploaded or stored.

How the Pixelate Image Tool Works

Pixelation works by reducing image detail and re-rendering it as large color blocks. The larger the blocks, the less information remains visible.

This tool redraws your image at a reduced resolution and scales it back up without smoothing, creating a clean mosaic-style effect.

  1. Pixel size: Controls block size and strength of the pixelation.
  2. Output dimensions: Set final width and height for export.
  3. Fit mode: Contain keeps the full image; Cover fills the output and may crop.
  4. Local processing: All rendering happens in your browser.

When Pixelation Is the Right Choice

Pixelation is commonly used when you need to obscure information while keeping the overall structure of an image visible.

Compared to blur, pixelation is clearer, more intentional, and harder to reverse in screenshots and shared images.

  1. Privacy: Hide faces, addresses, usernames, and IDs.
  2. Screenshots: Share UI or dashboards without leaking data.
  3. Design & style: Create retro, censored, or stylized visuals.
  4. Fast edits: Apply effects instantly without external tools.

FAQ

Is this pixelate image tool free?

Yes. The tool is completely free and requires no sign-up.

Are my images uploaded anywhere?

No. Pixelation runs entirely in your browser. Images are not uploaded or stored.

What does pixel size control?

Pixel size controls how large each block is. Larger values create a stronger mosaic effect, while smaller values keep more detail.

Can I control the output resolution?

Yes. You can set the output width and height in pixels to match your intended use.

Why use pixelation instead of blur?

Pixelation is often preferred for privacy because it removes detail in discrete blocks, making it harder to reverse than blur.