Effects

Every effect a layer's effects stack can hold: 56 of them, in 7 families. Some come in several styles.

Blur

• BlurSoft, smeared, spun, zooming, or sharp only in a band

Distort

• Water and hazeSeen through water, heat or slow rolling air
• WaveBends to and fro, like a flag
• Displace by picturePushed about by a picture
• SwirlTwisted round a point
• Bulge and pinchSwells out from a point, or is drawn in towards it
• PolarWrapped round the middle, or unwrapped from it
• KaleidoscopeMirrored into slices round a point
• MirrorOne half reflected onto the other
• Lens distortionBent as by a wide lens
• ShakeJitters as a handheld camera, or a film gate's weave
• Look at the pointerThe picture leans toward the pointer: an eye that follows it, or near and far parts moving apart by a depth picture

Stylize

• PixelsBig square pixels
• GlitchBands that jump, colours that tear
• OutlineA line round its shape
• ShadowA shadow cast behind it, or inside its edges
• EmbossPressed into metal or paper
• Find edgesOnly its edges, glowing
• PosterizeFewer colours, in flat steps or mixed in a fine pattern
• HalftonePrinted in dots
• ASCIIDrawn in letters, as on a terminal
• Oil paintPainted in soft, flat strokes
• SketchDrawn in pencil, shaded with hatching
• Cel shadingFlat bands of light with inked edges, like a cartoon
• ShaderYour own GLSL over the layer (a mainImage reading iChannel0), with its own settings; an imported wallpaper's own shader is one of these

Colour

• Adjust colourHue, saturation, brightness, contrast, exposure, gamma, vibrance or white balance
• TintWashed with one colour, keeping its light
• LevelsWhere black and white are, and the greys between
• CurvesAny tone mapped to any other, for all colours and for each
• Colour balanceShadows, midtones and highlights pushed towards colours
• Colour mapIts colours remade by a gradient, two colours or sepia
• Channel mixerEach of red, green and blue made from all three
• LUT (.cube)A colour grade from a LUT
• InvertA negative
• ThresholdOnly two colours: below and above a brightness
• Selective colourChange one colour only, and grey the rest if you like

Light and lens

• Colour splitRed and blue pulled apart, as a cheap lens does
• Light leakWarm light leaking in at the edges, drifting
• GlowLight spills from its bright parts, wide or close
• God raysBeams streaming from a light through its bright parts
• Lens dirtSmudges on the lens, lit by bright parts
• Film grainThe fine noise of film
• Scan linesDark lines across, as on an old screen
• CRTA curved tube screen: scan lines, phosphor stripes and flicker
• VHSA worn video tape: wobble, bleeding colour and tracking noise
• VignetteDarker towards the edges
• Light sweepA band of light passing over the picture now and then, as over glass or metal

Time

• EchoLeaves fading copies of itself behind as it moves
• Motion blurBlurred along the way it moves
• StrobeFlashes, or blinks out, many times a second
• Freeze frameHolds one frame, then catches up, every so often

Mask and reveal

• Noise dissolveBurns away in noisy patches, with a glowing edge
• MaskOnly inside a shape, on one side of a line, or where another layer is
• WipeShown up to a line that sweeps across
• Colour keyA colour made see-through, as a green screen is keyed out

Presets

A preset adds several effects at once, already set.

What every effect has

Masks

Each effect can be limited to part of the layer.