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  1. Design & Illustration
  2. Adobe Illustrator

How to Change the Brush Size in Illustrator

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Difficulty:BeginnerLength:ShortLanguages:
Final product image
What You'll Be Creating

Today, I'm going to show you how to change the brush size in Illustrator, how to use the stroke settings to change the size of the blob brush, and how to change the eraser brush size in Illustrator.

Follow along with us over on our Envato Tuts+ YouTube channel:

Tutorial Assets

The following assets were used during the production of this tutorial.

What You'll Learn in This Illustrator Brush Tutorial

  • How to change the brush size in Illustrator using keyboard shortcuts
  • How to change the brush stroke in Illustrator
  • How to change the blob brush size in Illustrator
  • How to change the eraser brush size in Illustrator

1. How to Change the Brush Size in Illustrator Using Keyboard Shortcuts

Step 1

Let's select the Brush tool in the Tools panel and create a stroke.

Creating a brushstroke

Step 2

Now we can use a brush size shortcut in Illustrator. To change the brush size in Illustrator, just press and hold [ (bracket key) to decrease the size, or ] to increase the size of the brush.

changing the brush size using the bracket key

2. How to Change the Brush Stroke in Illustrator

Step 1

Another way to adjust the brush size in Illustrator is to change the Stroke. Just select your stroke and change it in the top panel. 

changing the size of the brush by changing the stroke settings

This method works well with custom brushes.

different stroke sizes of custom brush

3. How to Change the Blob Brush Size in Illustrator

If you want to change the blob brush settings, Illustrator allows you to do it in a few ways. You could use the brush size shortcut in Illustrator, as we did before, or Double-Click on the Blob Brush Icon and change the brush settings in Illustrator to fit your needs.

changing the blob brush size

If you want to learn more about the blob brush settings in Illustrator, check out this amazing tutorial:

4. How to Change the Eraser Brush Size in Illustrator 

Step 1

If you want to know how to increase the size of the eraser in Illustrator, here's the answer! You could do it using the same methods as mentioned before: use the Adobe Illustrator brush size shortcuts [ ] or adjust the brush size by Double Clicking on thte Eraser Tool icon and then adjusting the Adobe Illustrator brush settings to your needs.

changing the size of the eraser tool

Conclusion

As you can see, it's pretty easy to change Adobe Illustrator brush settings, the size especially. You could use an Adobe Illustrator brush size shortcut, change the size in the brush settings panel, or increase/decrease the stroke settings. If you like the custom brushes we've used here, check them out on Envato Elements:

Charcoal Brushes for Adobe Illustrator

If you want to learn more about brush settings in Illustrator, check out these amazing tutorials:

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