Image Noise Generator
Add film grain or colour noise to any image, in-browser.
How to use
- 1 Drop an image onto the box, or click to choose a file.
- 2 Choose monochrome or colour noise.
- 3 Set the noise amount, and shuffle the grain if you want a different pattern.
- 4 Click Download PNG to save the grainy image.
About Image Noise Generator
The Image Noise Generator sprinkles controllable grain over any picture to give it texture, mood and an analogue, film-like character.
A pristine digital render can look sterile; a measured dose of noise adds the subtle imperfection that makes images feel photographed rather than computed — useful for retro aesthetics, poster art, game textures, photo overlays or simply breaking up flat gradients that would otherwise band.
An amount slider sets how strong the grain is, from a barely-there dusting to a heavy, gritty texture.
You can choose monochrome grain, which nudges every channel by the same amount for a clean black-and-white speckle, or colour grain, which varies the channels independently for a chromatic, sensor-noise look.
A shuffle button reseeds the pattern so you can roll through variations until one feels right, and because the noise is driven by a seeded generator, the same settings always reproduce the same grain — predictable rather than random-on-every-redraw.
All of this happens with the Canvas API on your own device: nothing is uploaded, stored or tracked.
When the texture looks right, download a lossless PNG with the grain baked in.
FAQ
Is my image uploaded anywhere?
No. The grain is applied with the Canvas API inside your browser, so the picture never leaves your device.
What is the difference between monochrome and colour noise?
Monochrome shifts all three colour channels by the same amount for neutral grain; colour shifts them independently, producing a speckled, chromatic look.
Why does the same setting always look identical?
The noise uses a seeded generator so results are reproducible. Press Shuffle grain to advance the seed and get a fresh pattern.