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Noise Adder

Add uniform or Gaussian film grain to any photo, in colour or monochrome.

Add grain to an image

Download grainy PNG
Working size: No image loaded
Grain: —
The grain is generated in your browser, so your photo is never uploaded.

How to use the Noise Adder

  1. Choose the photo you want to add grain to.
  2. Set the grain amount and pick uniform or Gaussian noise.
  3. Tick monochrome for film style grain, then download the PNG.

Features

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Frequently Asked Questions

Common questions about the free online noise adder.

Choose a photo, set the grain amount, pick uniform or Gaussian noise, then download the finished PNG file.
No. The grain is generated with your browser random number generator and applied locally, so nothing is uploaded.
Uniform grain gives every pixel an equal chance of a light or dark speck, which looks like coarse digital noise.
Gaussian grain clusters most values near zero with a few stronger specks, which looks closer to real film grain.
Yes. Monochrome grain changes all three colour channels by the same amount, giving a classic black and white film look.
Lower the amount for a subtle texture and raise it for a heavy retro look, watching the live preview as you drag.
Yes. Adding grain is a quick way to hide banding in gradients, add mood to a flat photo or fake an old print.
Yes. The noise adder is fully responsive and works in any modern browser on phones, tablets and desktop computers.
Yes. It is completely free and unlimited, with no account, no sign-up and no watermark on your downloaded image.

Last updated: October 10, 2026