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Create Rounded Corners With Paint.NET

By Mitch Bartlett 11 Comments

So you want to do rounded corners using Paint.NET? You must learn how. I mean your web site would be so not in style without images with rounded corners! I’m going to show you the easiest method with these steps.

Here we have a nice picture of downtown Chicago. I want to give it rounded corners.

Picture Before

  1. First I want to add a new layer by selecting “Layers” > “Add New Layer“.
    Add New Layer
  2. Now select “Tool” > “Rounded Rectangle“.
    Rounded Rectangle Tool
  3. Select a color that is not used in your photo. In this example, I chose bright green.
  4. In the upper left corner, select “Draw Filled Shape“.
    Draw Filled Shape
  5. Draw the rounded rectangle over the area you would like to keep for your rounded corners image.
    Make Rounded Square
  6. Use the Magic Wand to select the area of the rounded rectangle.
    Use Magic Wand
  7. Select “Edit” > “Invert Selection“.
    Invert Selection
  8. Now the area outside of the rounded square will be selected.
    Selection Inverted
  9. Select “Layers” > “Delete Layer” to delete the layer we made our rounded square on.
    Delete Layer
  10. The area outside of the rounded square will still be selected.
    Layer Deleted
  11. Simply press “Delete” on your keyboard and you are left with your image, now with rounded corners.
    Rounded Corners Result

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Filed Under: Software Tagged With: paint.net

Reader Interactions

Comments

  1. Karolyn says

    March 6, 2021 at 9:57 pm

    And how do I pick the color? How do you pick transparent? You don’t show how to do that.

  2. Karolyn says

    March 6, 2021 at 9:50 pm

    Cropped the image but now I’m left with an image with a bright green border around it… why isn’t the border transparent like your tutorial shows? I followed your instructions exactly…twice.

  3. Lavamantis says

    September 3, 2020 at 10:22 am

    A+

  4. Lamar says

    April 5, 2018 at 8:59 am

    What a time saver. Thank you very much. The steps were detailed and correct. Got the job done in no time at all.

  5. Berry Wing LLC says

    February 16, 2018 at 8:59 am

    Thanks! Easy and simple. Paint.net surprises me everyday.

  6. Mateus says

    February 1, 2018 at 10:57 am

    Thank you!

  7. KD says

    January 12, 2018 at 9:36 am

    1] Copy the picture with Snipping Tool and paste into PAINT.
    2] Choose the Rounded Rectangle shape and change the color to WHITE.
    3] Choose the largest size for the Rectangle.
    4] Then put the white rounded border around the picture.
    5] Then COPY and PASTE the rounded picture wherever you need it.

  8. skyzo says

    March 27, 2017 at 3:10 am

    It work like a magic. Very easy tutorial, thanks.

  9. Raja says

    December 20, 2015 at 9:03 am

    Love it !!! I should have come here before…

  10. Rich says

    November 19, 2015 at 12:40 pm

    Great Instructions!

    Question: How do I add a solid boarder to my rounded rectangle?

  11. Mohit says

    May 11, 2015 at 1:59 pm

    Thanks, Saved me hours to install and try new software to do the sames :)

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Baby and Daddy My name is Mitch Bartlett. I've been working in technology for over 20 years in a wide range of tech jobs from Tech Support to Software Testing. I started this site as a technical guide for myself and it has grown into what I hope is a useful reference for all.

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