Pixelate Image

Pixelate images online for free — auto-detect faces or drag over text, number plates and screens, choose the block size, or pixelate the whole picture for a retro mosaic look. Processed at full resolution, 100% in your browser.

100% private — your files never leave your browser. Conversion happens on your device; nothing is uploaded.

100% private — runs in your browser

Face detection uses Google’s open-source MediaPipe model and runs on your device — it’s downloaded once (about 10 MB) the first time you use it. For sensitive information, choose Solid black: strong blur and pixelation are hard, but not impossible, to reverse. Your image never leaves your device.

How to pixelate part of an image

  1. Drop your image here, or click to choose it.
  2. Click “Detect faces” or drag over the areas to hide.
  3. Set the pixelation strength (or switch to Blur or Solid black).
  4. Download the image.

What you can use it for

  • Censor faces and identities in photos and videos stills
  • Hide personal details in screenshots before sharing
  • Create mosaic and 8-bit style effects
  • Anonymise images for reports and case studies

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Frequently asked questions

How do I pixelate part of a picture?

Drag a box over the area and it's pixelated straight away; raise Strength for bigger blocks. Use “Detect faces” to find faces automatically.

How does face detection work?

Click “Detect faces” and Google's open-source MediaPipe face model finds faces on your device — nothing is sent to a server. It's downloaded once (about 10 MB). Small, side-on or covered faces can be missed (and animal faces are sometimes found too), so check the result and draw extra areas by hand.

Can blurred or pixelated areas be reversed?

Strong blur and pixelation are very hard to undo, but not impossible for small amounts of text. For passwords, ID numbers or anything sensitive, choose Solid black.

Are my photos uploaded?

No. Detection and blurring both run in your browser, so your photos never leave your device.