Documentation

Detail and blur filters

These filters are in Filter > Detail and Filter > Blur, and in the Detail and Blur categories of the Filters panel. You change their settings in the Properties panel.

The Filters panel showing the Detail and Blur categories with a preview of each filter.

Clarity

Raises local contrast with a positive Amount, or lowers it with a negative one, by up to 2 stops.

Setting Range or choices Default
Amount −100% to 100% 0%

Dehaze

A positive Amount removes haze and a negative one adds it. Near-white and near-gray areas are protected when haze is removed.

Setting Range or choices Default
Amount −100% to 100% 0%

Unsharp Mask

Sharpens edges by Amount. Differences smaller than Threshold are left unchanged.

The Properties panel for Unsharp Mask with Radius, Amount and Threshold.
Setting Range or choices Default
Radius 0–21 px, or up to 85 px typed 1.5 px
Amount 0–300% 100%
Threshold 0–100% 2%

High Pass

Keeps only the detail finer than Radius, on a 50% gray base.

Setting Range or choices Default
Radius 0–21 px, or up to 85 px typed 4 px
Strength 0–300% 100%

Edge-Preserving Smooth

Smooths noise and keeps edges sharp. A higher Strength smooths across larger color differences.

Setting Range or choices Default
Strength 0–100% 25%

Edge Detect

Shows the edges of the image as white lines on black, or as dark lines on white with Invert on.

Setting Range or choices Default
Width 0.5–8 px 1 px
Strength 0–400% 100%
Invert On or off Off

Emboss

Turns the image into a gray relief. Angle sets the direction of the relief.

Setting Range or choices Default
Width 0.5–8 px 1.5 px
Angle −180° to 180° 135°
Depth 0–400% 100%

Gaussian Blur

Blurs the image evenly. Edges next to transparent areas blur outward.

Setting Range or choices Default
Radius 0–21 px, or up to 85 px typed 3 px

Motion Blur

Blurs along a straight line Distance long, in the direction of Angle.

Setting Range or choices Default
Distance 0–64 px 12 px
Angle −180° to 180° 0°

Bloom

Adds a glow around tones brighter than Threshold. The glow can spread into transparent areas.

Setting Range or choices Default
Radius 0–21 px, or up to 85 px typed 6 px
Strength 0–200% 60%
Threshold 0–100% 60%

Soft Focus

Softens the image by laying a blur of Radius over it in Lighten blend mode, at Strength opacity.

Setting Range or choices Default
Radius 0–21 px, or up to 85 px typed 5 px
Strength 0–100% 40%