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Learn compositing by doing it

Compositing combines plates, CG and elements so they look shot together in one frame. Here you change the values yourself and see the result at once, instead of watching someone else do it.

Start a free lessonSee the whole Lab

Start with the basics that break a picture when misunderstood, such as alpha, premult and the merge formulas. Then move on to colour, keying, roto and making CG sit in the plate.

The lessons teach principles, so they carry to Nuke, Fusion, After Effects and other apps.

Learn in this order

  1. 01Comp FoundationsChannels, alpha, premult, merge, grade and node vs layer in the mini compositor6 lessons
  2. 02ColorLinear vs display, sRGB ≠ gamma 2.2, log, stops, gamut, view transforms9 lessons
  3. 03Keying LabKey a green screen in the browser, scored against the true Blender matte: keyer, edges and fine wires, despill5 lessons
  4. 04Roto & MasksShapes, feather, Keymix, matte merges and holdouts4 lessons
  5. 05IntegrationMake CG sit in the plate: blacks by depth, haze, light wrap, grain, QC, AOV rebuilds6 lessons
  6. 06Finishing & OpticsDefocus, glow, sharpen, chromatic aberration and the finishing order5 lessons
  7. 07Case Files: real comp problemsReal cases, detective style: symptom → cause → fix → prevention8 lessons

Pricing: Comp Foundations and the first lesson of every pack are free · packs $9 or $15 · whole Lab $89, one payment

Video courses

Common questions

Can I start with no experience?

Yes. Comp Foundations starts from channels and alpha, and the whole pack is free.

Do I need to install anything?

Lab lessons run in your browser with nothing to install. Every picture is computed on your own machine.