2 ways to resize an image in GIMP

GIMP is a free photo editor for computers. If you try to search for a resize tool in GIMP, you won’t find one. That’s because it doesn’t exist. However, it doesn’t mean that you can’t resize images in GIMP. Whether you are looking to change an image’s dimensions or its file size, this post will help you resize images in GIMP.

Let us begin.

1. How to resize an image by changing the file size

Many websites and applications have image size limitations. If you want to change the file size of an image, you will need to reduce its quality as shown below.

one. Open the image in GIMP by going to File> Open.

two. When the image opens in GIMP, go to File> Export As.

GIMP Resize Image Size Export As

3. The Export Image dialog opens. Enter a name for the image (or use the same) and click To export.

GIMP Resize image size Export as window

Four. You will be greeted by Export image window. Here you need to reduce the value of the Quality option using the slider to decrease the size of the image file. Click on To export to save the image.

GIMP Resize image size Export as quality

Tip: Select the check box next to Show preview in image window to see the file size.

2. How to resize an image by changing the dimension

You can change the resolution of an image in three ways, as shown below.

1. Using the Scale tool

To resize images in GIMP, you need the help of the Scale tool. These are the steps:

one. Open the required image in GIMP by going to File> Open.

two. Click on the Image option in the menu bar and select Image scale from the menu.

Image scale tool to resize GIMP

3. The Scale Image window will open. Here you will get the Image Size option with two fields: Width and Height. The default size is displayed in pixels. If you want to view it in a different format, click the px drop-down box and choose from percent, inches, etc.

GIMP Resize Image Scale Dimensions

Enter the required dimensions of the image in the Width and Height fields. If you want to decrease the size of the image, enter dimensions less than the current number. Similarly, if you want to scale the image up, enter a larger value. Be aware that enlargement may cause loss of image quality.

Another thing to keep in mind is locking the aspect ratio. In doing so, if you change one value (width or height), the other value will change accordingly, resulting in an image that won’t stretch or compress in an odd way. The aspect ratio is locked by default. To verify, check the chain icon next to the Width and Height boxes. It should be locked. If it isn’t, click on the chain to lock it.

GIMP Resize Image Scale Lock Aspect Ratio

Keep the interpolation quality as cubic. However, if you notice any distortion in the image, try other interpolation methods. Finally, click on the Scale button.

Four. To save the image in a new resolution, click File> Export As. Enter a name and select the image quality as shown in the previous method.

Tip: Find out how to make a photo square without cropping it.

2. Scale using the mouse

You can also resize an image manually with the help of a mouse.

one. Upload the image to GIMP.

two. Click on the Scale in the toolbox or use the Shift + S keyboard shortcut.

GIMP Resize Image Scale Icon

3. Hold down the Ctrl key and mouse button and pull the image inward from any corner. The size of the image will continue to decrease as you compress it. Leave the buttons at the desired size and click Scale in the pop-up window. Similarly, stretch the image outward to increase its size.

GIMP Resize Image Scale Mouse

Four. When you reduce the size of the image, you may see the blank canvas underneath. To remove it, click Image> Crop to Content.

GIMP Resize image scale Crop to content

5. Click on File> Export As to save the image.

3. Resize the layer

If you have multiple image layers, using the above methods directly will sometimes resize the entire image instead of just an individual layer. You can resize a single image layer with the help of the Scale tool or by using the Layer Scale feature. These methods can also be used to resize pasted images.

Note: Make sure the selected layer is a normal layer and not a floating layer. In case it is a floating layer, right click on it in the Layer panel and select the “To new layer” option.

1. Using the Scale tool

one. Select the layer you want to resize by clicking on it in the Layer panel.

GIMP Resize Image Layer Selection

two. Once selected, click the Scale in the toolbox to enable it.

GIMP Resize Image Layer Scale

3. You will see the Scale options in the right or left pane. Please select Cap next to Transform.

GIMP Resize Image Layer Transformation

Four. Now, press the Ctrl key and the mouse button together and compress or stretch the image using its borders. Click on the Scale in the pop-up window. Your cape will change in size.

GIMP Resize Image Layer Mouse

2. Using the scale layer

one. Click the layer in the Layer panel to select it.

GIMP Resize Image Layer Selection

two. Go to the Cap option in the menu bar and choose Scale layer from the menu.

GIMP Resize Layer from Image Layer Scale

3. Enter the new dimensions of the image in the available fields. Make sure the chain icon is locked to keep the aspect ratio. Click on Scale.

GIMP Resize image Scale layer Save

Similarly, you can resize other image layers.

Summary: Resize Images in GIMP

Resizing an image helps if it is too small or large for a particular purpose. You can resize an image and place it anywhere in a second image, or post the same image in different dimensions on various social media platforms. Learn how to resize images in Windows 10 and reduce the file size of a PNG image.

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