Handitab

Noise Texture Generator

Generate a random noise texture as a square PNG, in grayscale or color with adjustable grain size and opacity, for backgrounds and overlays.

About Noise Texture Generator

A noise texture is an image of random pixels, often layered over flat colors or gradients to add grain. This tool fills a square from 8 to 4,096 pixels with uniformly random values, as gray or as independent red, green, and blue. Grain size enlarges each random cell up to 32 pixels without smoothing. Opacity is written to the alpha channel, so the PNG can be used as a semi-transparent overlay.

Also known as: Random Bitmap Generator.

How to use Noise Texture Generator

  1. Set "Size", "Grain size", "Color noise" and "Opacity". The preview updates as you change them.
  2. Check the preview, then press "Download result" to save the file.

Questions about Noise Texture Generator

How do I use the texture as a grain overlay in CSS?

Generate it at a low opacity such as 0.1, then set the PNG as a repeating background-image on a layer above your color or gradient. Uniform noise has no visible features, so the tile edges are hard to notice.

Runs in your browser. Page last updated .

More image tools

All 73 image tools
OG Image GeneratorCreate a 1200 × 630 Open Graph image with a title, subtitle, and site name on a color or gradient background, ready for link previews.Overlay ImagesPlace one image on top of another, such as a logo on a photo, and set its size, position, and opacity before downloading the result.Pixel SortingApply a pixel sorting glitch effect to an image: runs of pixels inside a brightness range are sorted along rows or columns.Pixelate ImagePixelate a whole image into large square blocks to hide faces, text, or other details, choose the block size, and download the result.Placeholder Image GeneratorGenerate a placeholder image at any width and height up to 8,000 pixels, with your own colors and label text, for mockups and layout tests.PNG Color ChangerReplace one color in an image with another by picking the source color, the new color, and a tolerance, then download the recolored PNG.