How to Resize Canvas Size For Images

*Canvas resize option allows you to alter the height,width and measurement of an image.
Steps to Follow
- Open GIMP.
- Launch an image file.
- Click Image -> Canvas Size.

- Then a box named Set Image Canvas Size gets displayed and you can view the "Preview" of the image in this box itself.
- Fix the "Height and Width" in the Canvas Size, choose the "Measurement" in Offset and "Resize" a layer in the Layers.

- Set the Canvas Size, Offset and Layers options as per your requirements and finally click the Resize button.
- Check the below image with the adjusted dimensions.

- Finally save the file by clicking the Save button.