Can pixelation be reversed?

Stronger settings are harder to read. For truly sensitive text such as ID numbers, use Black box — the pixels are overwritten and cannot be recovered.

Does it work on a phone?

Yes. Drag with your finger in a mobile browser to mark an area.

Are my files or data uploaded?

No. Everything runs locally in your browser with no network upload, and is discarded when you close the page.

Do I need to sign up or pay?

No. The site is completely free, needs no account and has no usage limits.

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🟫Blur Image Online - Pixelate or Redact Parts of a Picture

Drag on the picture to mark what should be hidden, then choose pixelate, blur or a black box. You can mark as many areas as you like, adjust the strength and see the result instantly. It is the quick way to hide phone numbers, addresses, faces or number plates before sharing a screenshot or a photo. Because processing happens on your device, sensitive images never leave your computer — safer than any upload-based service.

Free · No sign-up · Runs in your browserLast updated: 2026-10-26

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How to use Blur / Pixelate Image

1Upload an image
2Pick pixelate, blur or black box, then drag over each area to hide
3Click Redact & download

FAQ

Can pixelation be reversed?: Stronger settings are harder to read. For truly sensitive text such as ID numbers, use Black box — the pixels are overwritten and cannot be recovered.
Does it work on a phone?: Yes. Drag with your finger in a mobile browser to mark an area.
Are my files or data uploaded?: No. Everything runs locally in your browser with no network upload, and is discarded when you close the page.
Do I need to sign up or pay?: No. The site is completely free, needs no account and has no usage limits.