UBUseBrowserTools

Pixelate Image

Pixelate an image in your browser. Choose block size, preview a retro or censored effect instantly, then download your edited copy privately for free.

100% private — runs in your browser, nothing is uploaded

Choose an image or drag it here

Pixelate it privately in your browser

Your image stays on this device while it is pixelated.

What does a pixelate image tool do?

A pixelate image tool turns smooth picture detail into visible square blocks. The effect can make a photo look retro, imitate low-resolution pixel art or obscure parts of an image. Upload a file, choose the block size and download a separate pixelated version when the preview has the right amount of detail.

How to pixelate an image

  • Upload an image from your device.
  • Move the pixel size slider to change the size of every block.
  • Review the pixelated preview before creating the final copy.
  • Download the edited image while keeping the source file untouched.

The tool first draws the image at a smaller resolution, then scales it back to its original dimensions with smoothing disabled. This keeps the square edges sharp instead of creating a blurred enlargement. Small block sizes preserve more recognizable detail, while larger block sizes reduce detail quickly and produce a more dramatic pixel-art appearance.

Uses for image pixelation

Pixelation works well for playful retro graphics, game-inspired artwork and social posts that need a stylized image treatment. It can also help hide a face, screen detail or other information in an image. For privacy-related edits, use a large enough pixel size that the content cannot still be interpreted at normal viewing size. Test the downloaded image before posting it publicly.

Private image editing

Pixelation happens with the Canvas API inside your browser. The source image is never uploaded to a server, and the original file is not changed. You can change the block size as often as you like and make several copies with different levels of detail. Because the edit remains local, it is practical for sensitive screenshots, personal photographs and quick creative experiments without waiting for a remote service or queue.

Frequently asked questions

Does pixelating alter my original file?

No. Only a new pixelated copy is created for download.

What does a larger pixel size do?

It creates larger blocks and hides more fine detail.

Is the image uploaded anywhere?

No. Pixelation runs locally in your browser.

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