4 Ways to Use GIMP to Upscale Images in JPEG/PNG/BMP/TIFF

Lynn Hu Lynn Hu
Jul 06, 2023 (Updated: Jul 06, 2023)Filed to: Photo Editing

In today's digital age, where high-resolution images are the norm, the need to upscale low-resolution pictures has become increasingly common. While using GIMP to upscale images stands out as a powerful and versatile option. With its extensive set of features and intuitive interface, GIMP provides users with the ability to enhance the quality and size of their images while preserving crucial details. This article will explore how GIMP to upscale images effectively, opening up new possibilities for photographers, designers, and anyone seeking to breathe new life into their visuals.

Part 1: 4 Ways to Upscale Images with GIMP

Use GIMP to increase resolution on your computer with these four methods that you can easily use. The app works well to transfer small-format pictures to larger ones that you can use for prints, digital promotion, and more.

1. Upscale the Whole Photo

Step 1.Open the app and upload the photo you want to edit. From the Image menu, select the Scale command. Navigate to the Interpolation control and choose a desired interpolation method.

Gimp Scale Image

Step 2.Put the pixels for the Width and Height controls. Then, proceed to input resolution, which can be 72 pixels if you work on a web image. Click the Scale button to upscale the file with the settings.

2. Enlarge a Layer

Step 1.After uploading a file on GIMP, click the Toolbox button with a small square stacked on a giant square. Then, choose the scaling layers option from the Toolbox.

Step 2.Select a corner handle around the layer, then drag it away to scale it up. After that, press the Ctrl key and hold it to keep the width’s height ratio constant.

Gimp Layer

3. Use the Selection option

Step 1.Import a photo on the app’s interface and select the Rectangle option from the Toolbox menu. Drag the canvas to the desired region and press the Enter button to confirm the selection.

Step 2.From the Toolbox menu, click the Scale button and choose the red square icon to specify the selection scaling option. With the selection region, you can upscale it with the growing border. Click the Scale button to start upscaling.

4. Path Upscaling

Step 1.This method is different from the rest. First, you have to create a new document in any size. Open the Toolbox menu and choose the Paths tool with the nib pen icon. Create a vector point with your mouse and drag until you draw another vector point.

Step 2.Then, open the Paths panel and select the Stroke dialog box with the paintbrush icon. Press Enter to apply the default parameters. Proceed to upscale the image with the Scale tool from the Toolbox menu. Don’t forget to click the Scale button to complete the task.

Gimp Scale

Part 2: Best GIMP Alternative to Upscaler Image with AnyRec

AnyRec AI Image Upscaler is an online-based tool with the best upscaling algorithm. With AI technology, you can upload images and enlarge them up to 800% without losing the original quality. The tool also supports a wide range of image formats, including JPEG, PNG, BMP, GIF, TIFF, and more, which creates a fluid upscaling process for any picture you have. Furthermore, AnyRec AI Image Upscaler is a free online tool without applying an unwanted watermark on enlarged photos.

Step 1.Click the Upload Photo button from the webpage. Import the picture from your folder and click the Open button to confirm the selected file.

AnyRec Upload Photo

Step 2.Choose the Magnification level from the top part of the menu and see the result using the Zoom functions. Hover your mouse over the actual output and see the difference.

AnyRec Magnification

Step 3.Once satisfied with the result, click the Save button to upscale the picture. Download the final result to your computer.

AnyRec Save New Image

Part 3: FAQs about Upscaling Images in GIMP


GIMP can upscale images in various ways, and you can use them according to your needs. Aside from being improving image quality online and an open-source program, it also supports all popular image types for any photo editing, making it the best alternative for Adobe Photoshop. But if you are not down for GIMP, AnyRec AI Image Upscaler is always accessible online and conveniently. Visit the official webpage to see more free and high-quality tools.

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