Last update: Thu Feb 26 2026 00:00:00 GMT+0000 (Coordinated Universal Time)
{width="128px"}
{width="128px"}
Highpass (Grayscale)
In:Filters/Adjustments
Simple
Description
Performs a highpass filter, available in color as well as in a grayscale version. Similar to the Photoshop action with the same name. Useful for removing large Luminance differences in images, such as when cleaning up textures for tiling.
Important: make sure to use the appropriate version for your input! Use “Highpass” for Color inputs, “Highpass Grayscale” for Grayscale inputs.
Parameters
Radius: 0.0 - 64.0 Filter radius: a small radius removes small differences, a bigger radius removes large areas.