How to adjust brush size in PS
In Photoshop, adjusting brush size is one of the basic and high-frequency operations. Whether you are retouching, painting or designing, mastering the quick adjustment method of brush size can significantly improve work efficiency. The following is a summary of skills related to PS brushes that have been popular topics on the Internet in the past 10 days. It is analyzed in detail for you based on structured data.
1. Shortcut keys to adjust brush size

The quickest way is to adjust in real time via keyboard shortcuts:
| Operating platform | Enlarge brush | Reduce the brush |
|---|---|---|
| Windows | Right bracket key ] | Left bracket key [ |
| MacOS | ] key | [ key |
2. Manual adjustment of property bar
Brush parameters can be precisely controlled through the top property bar:
| parameters | Adjustment method | Numeric range |
|---|---|---|
| size | Slide the slider or enter a value | 1-5000 pixels |
| Hardness | Same as slider adjustment | 0%-100% |
3. Right-click menu adjustment (latest technique)
In the PS version updated in 2023, the canvas right-click menu adds a smart control panel:
| functional area | Operating Instructions |
|---|---|
| size slider | Finger drag for real-time adjustment |
| Hardness slider | Supports pressure sensing devices |
| Preset list | Double click to save current settings |
4. Digital tablet pressure sensitivity settings
Professional painting users can achieve dynamic adjustments through the digital tablet:
| Device type | Set path | Core functions |
|---|---|---|
| Wacom | Window>Brush Settings>Shape Dynamics | The impact of pressure |
| Huion | Brush Panel > Transfer > Pen Pressure | Tilt sensitivity |
5. Special scene adjustment skills
According to the hot topics discussed by designers in the past 10 days, these special scenarios require attention:
1.4K screen users: You need to adjust the UI scaling in Preferences > Interface, otherwise the brush preview will not match the actual size.
2.tablet mode: Two-finger pinch gesture can quickly zoom in and out of the brush (touch gesture support needs to be enabled)
3.Brush preset exception: Reset tool (right-click tool icon) can solve the size lock problem
6. Efficiency-improving combination skills
| Combination operations | Effect |
|---|---|
| Shift+[ / ] | Adjust the hardness in 25% steps |
| Alt+right-drag | Move horizontally to adjust the size, move vertically to adjust the hardness |
| Numeric keys 1-0 | Quickly switch 10%-100% opacity |
By systematically learning these methods, you will find that PS brush control becomes extremely efficient. It is recommended to collect the shortcut key table mentioned in this article and practice it repeatedly in daily work to form muscle memory. The latest statistics show that designers who are proficient in using shortcut keys can increase their work efficiency by more than 40% on average.
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