Adobe Lightroom
Decrease the brush size
In Adobe Lightroom, the Right bracket key will decrease the brush size. The keys are the same on a Mac.
Where it works: Brush selected
This is the direction Adobe's page gives.
Every documented variant
| System | Environment | Keys |
|---|---|---|
| Mac | Desktop app | ] |
| Windows | Desktop app | ] |
Where this comes from
Default keyboard shortcuts for Lightroom Desktop
Documentation checked on 2026-09-14. That is a documentation review, not a test run inside the application.