Add Image Grain
Add reproducible monochrome or colored noise to a photo.
Drop your image here
Drag and drop, or choose a file below
JPG · PNG · WEBP
Up to 250 MB · One image at a time
Each image: up to 16 megapixels and 8192 px per side
Amount zero preserves the source pixels. This is synthetic grain, not a physical camera or film simulation.
Original
Choose an image or try the sample to see your preview here.
100% local processing
How to use
- 01
Choose an image or try the local sample.
- 02
Adjust the amount, seed and colored-grain option.
- 03
Review the result and download the file.
Details and tips
How it works
A seeded pseudo-random sequence changes RGB values, clamped to 0–255, while retaining alpha. The same image, seed and settings give the same pixels.
Made for everyday images
Add texture to clean graphics, retro posters and photographic backgrounds.
Frequently asked questions
Are images uploaded?
No. Processing, previews and downloads stay on your device.
What are the limits?
JPG, PNG and WebP, up to 250 MB, 8192 pixels per side and 16 million pixels. Expanded output must also fit these limits. Animation uses one still frame.