Pixelate Image
Add a pixel or mosaic effect.
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About Pixelate Image
Pixelate Image adds a blocky mosaic effect to a picture, replacing fine detail with larger coloured squares. It is a quick way to censor part of an image — a face, a name, a house number, a bit of a screenshot — without opening a full photo editor. You pick the area and how coarse the blocks should be, and the covered detail is flattened into a mosaic.
The tool runs entirely in your browser, using the built-in canvas to redraw the image on your own device. Nothing is uploaded to a server, there is no account or sign-up, and there are no limits or watermarks. It is free, and boring, but it works.
Frequently asked questions
- Is Pixelate Image free, and do I need an account?
- Yes, it is free, and there is no account or sign-up. There are no usage limits and nothing is added to your picture, so you can pixelate as many images as you like.
- Is my image uploaded anywhere?
- No. The pixelation happens in your browser using the canvas, so the picture is processed on your own device and never sent to a server. That also makes it a sensible choice when the thing you are hiding is private.
- How do I use it, and which formats work?
- Open your image, mark the area you want to cover, and choose how coarse the blocks should be. Common formats such as JPG, PNG and WebP work, and you can save the result when you are done.
- Can I pixelate just one part of the image?
- Yes. You select the region you want to obscure and leave the rest untouched, which is the usual way to censor a face or a line of text. You can also cover the whole image if you want a uniform mosaic.
- Will pixelation completely hide sensitive text?
- Use a coarse setting for anything sensitive, since light pixelation can leave faint shapes of the original readable. For names, numbers or faces you want gone, larger blocks are safer than small ones.