How to Change Line Thickness in Canva

Canva is a popular graphic design tool that makes it easy for anyone to create beautiful designs. One of the many great features in Canva is the ability to customize lines by changing their thickness.

Follow this simple guide to learn how to adjust line thickness in Canva.


Adjusting line thickness is useful for creating designs that need emphasized lines, subtle lines, or lines that fit a specific style. Being able to control line thickness gives you more creative freedom when designing in Canva.

Whether you want bold lines for headings, thin lines for borders, or something in-between, this guide will teach you how to change line thickness in a few quick steps.

Steps to Change Line Thickness

Follow these steps to change the thickness of any line in Canva:

  1. Select the line you want to adjust. Click directly on the line to select it.
  2. Click the “Line Style” icon in the toolbar. It looks like 3 vertical lines.
  3. Choose a thickness. A pop-up will appear with line weight options. move slider to left or right.
  4. Preview the change. The line thickness will adjust automatically. Tweak as needed.

And that’s it! In just a few clicks, you can set any line to exactly the thickness you need for your design.

Tips for Adjusting Line Thickness

  • For emphasis, make headings thick and content lines thinner.
  • Be subtle with borders – they usually look best thin.
  • Match line thickness to other design elements for consistency.
  • Don’t overdo it – thick lines stand out dramatically.
  • Use transparency to soften bold lines and integrate them better.


Learning how to change line thickness gives you greater flexibility and control when creating designs in Canva. You can adapt lines to fit any style.

Follow the simple steps outlined in this guide to adjust the thickness of any line you add to your Canva projects. Feel free to experiment with different settings until you get the customized lines you desire.

Changing line thickness takes your Canva skills to the next level!

Frequently Asked Questions

Do I have to select a line first before changing the thickness?

Yes, you need to click on a line to select it first before the thickness options will appear.

Is there a shortcut to quickly make a line thicker or thinner?

Unfortunately no, you have to open the thickness pop-up and move slider each time.

Can I adjust the thickness of pre-made lines or shapes in Canva?

Yes, the same thickness slider works for any line element you add to your design.

How many thickness options are available in Canva?

There is a wide thickness scale to choose from, ranging from ultra thin to very thick.

If I adjust line thickness, can I undo it if I don’t like the change?

No problem – just use the undo button or adjust the slider again to revert back to your original thickness.

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Last modified: January 20, 2024

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