Number plates and faces
When posting photos of vehicles or public spaces, pixelating plates and faces prevents identifying third parties.
Pixelate image
Blur or pixelate an area of an image to hide it.
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What it is for
Pixelating replaces an area of the image with blocks of average colour, so that what was there can no longer be made out. It is used to hide specific information while leaving the rest of the photo intact and recognisable.
It matters that the pixelation here is destructive, and that is precisely the point. The original information in those pixels is not kept in some hidden layer: it is replaced. Unlike laying a black rectangle over it in a layered editor or in a PDF, there is nothing underneath that anyone could recover by moving the rectangle.
That distinction has caused real leaks more than once, with published documents where the redaction was an overlay you only had to drag aside. Pixelation applied to the pixels themselves does not have that problem.
How it works
- Upload the image containing the area you want to hide.
- Specify the position and size of the area to pixelate (e.g. a license plate or a face).
- Click "Process" and download the image with that area irreversibly blurred.
When to use it
Data in screenshots
Emails, account numbers or names inside a screenshot are hidden before sharing it on a forum or a support ticket.
Partially visible documents
On a receipt you may want to show the amount but not the full account number.
Practical tips
- Cover slightly more than what you want hidden: leaving part of a number visible lets the rest be deduced.
- With short, predictable text, mild pixelation may not be enough. For sensitive data, cover generously.
- Zoom into the area to check the result before sharing the image.
- If what needs hiding sits at the edge, cropping is safer and cleaner than pixelating.
Frequently asked questions
Can the pixelation be undone afterwards?
No, the process replaces that area with averaged color blocks; the original pixel information is completely lost.
Does it work to hide text in a scanned document?
Yes, it works equally well on any image, including screenshots or scanned documents.