Reduce noise in a photo

Photos taken in dim light often look grainy or speckled with colour. Smooth that out while keeping edges and detail, with separate control over grain and colour speckles.

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JPG, PNG, WebP, GIF or AVIF, up to 80 MB. You can also paste an image.

Result previewOriginal image

Processed on your device. Your image is never uploaded.

How it works

  1. Your browser splits the photo into brightness and colour.
  2. An edge-preserving filter smooths each: small, random variations are averaged away, while strong edges are left alone.
  3. The two are recombined and saved. Your original is untouched.

Supported formats

Opens
JPG, PNG, WebP, AVIF, BMP and GIF (the first frame of an animation)
Saves
The same format, or JPG, PNG or WebP
Limits
Files up to 80 MB. The saved image can be up to 16.7 megapixels on iPhone and iPad, 36 on Android and 64 on computers, and 16,384 pixels on its longest side.
  • Grain and colour speckles are handled separately: colour noise can be removed strongly with little loss of detail, grain needs a lighter touch.
  • An edge-preserving filter smooths flat areas but not edges, so outlines stay crisp. Fine texture such as hair can soften at high settings.
  • Metadata such as camera details and location is not copied to the new file.

Your image stays on your device

This tool runs entirely in your browser. The image is never uploaded, so there is nothing for us to store, see or delete.

To check, open your browser’s developer tools, switch to the Network tab and use the tool: you will not see your image being sent anywhere.

Questions

Are my images uploaded anywhere?

No. The image is read and processed by your own browser. Nothing is sent to our servers, so there is no copy of your image anywhere but your own device.

What settings should I start with?

The defaults suit most phone photos taken indoors or at night. Raise Colour speckles freely; raise Grain until the noise is gone but faces and textures still look natural.

Should I sharpen afterwards?

A little sharpening after noise reduction often helps, but do it last and gently, or the grain comes back.