4K Image Upscaler: Best Tools to Upscale Images to 4K

In today’s digital world, high-resolution images are crucial for professional photography, graphic design, marketing, and personal use alike. However, not all images are captured in ultra-high definition. This is where a 4K image upscaler comes into play, which can be a software or AI-driven tool that increases image resolution to 3840 x 2160 pixels (4K UHD) or higher while preserving quality.

Upscaling images to 4K can significantly enhance quality, improving clarity, reducing noise, and sharpening edges, making them ideal for high-resolution displays, professional printing, or restoring old or low-quality photos. Now, let’s explore powerful 4K image upscalers to make your photos look professional.

#1. Adobe Photoshop

As the industry-leading photo editing software, Adobe Photoshop provides almost all the tools you may need to edit and create high-quality images. Undoubtedly, it’s an excellent 4K image upscaler powered by AI, allowing you to turn low-resolution images into crystal clear ones.

How to upscale an image to 4K using Photoshop? Here’s the guide.

Step 1. Launch Photoshop and open your image by clicking File > Open.

Step 2. Select Image > Image Size. On the Image Size window, make sure to select the chain icon to maintain the aspect ratio. Under Dimensions, enter your desired width and height.

Step 3. By default, the Resample option is selected, which means you can resize the image by adding or subtracting pixels from the width and height. Ensure this option is checked to upscale your images to 4K. Then, choose an interpolation method.

Step 4. Click the gear icon and make sure the Scale Styles option is enabled. Then, click the OK button to start upscaling your image to 4K.

Step 5. Click File and select Export or Save as to save the image to your computer.

#2. Upscayl

Upscayl is an AI-driven image upscaler that boosts resolution and enhances overall image quality. By using cutting-edge AI technology, it transforms low-resolution photos into sharper, more detailed, and visually refined results. Compared with Photoshop, this application lacks additional image processing capabilities, but it performs well in terms of image upscaling. It can upscale multiple photos in bulk and provides different AI models for improved quality and performance.

Here’s the quick guide on how to upscale an image to 4K with Upscayl.

Step 1. Open the application and click the Select Image button to load your image.

Step 2. Click the button below the Select AI Model option to choose an upscaling method. There are multiple models to choose from, and they produce different outputs depending on the type of source image. Upscayl Standard is the default model working for every single image.

Step 3. After selecting a model, choose the output folder and click the Upscayl button to begin the process.

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#3. Pixelcut

Pixelcut is an online AI video editor that offers various editing possibilities to give your images a new look, including the ability to remove the background, retouch any part of the image, expand the image in any direction, and upscale images. So, if you want an online 4K image upscaler, Pixelcut is a fantastic choice.

Step 1. Navigate to the Pixelcut website and click the Upload option to add your image.

Step 2. After the image is loaded, click the Upscale option on the left sidebar.

Step 3. Then the image will be automatically upscaled by 2x. You can also try upscaling the image to 4x. Finally, download and save the image to your device.

#4. iLoveIMG

iLoveIMG is an easy and quick online image modification tool, enabling you to compress, resize, crop images, and spice them up with text, effects, frames, and stickers. Additionally, it provides you with the ability to upscale JPG and PNG images, enlarging them with high resolution while maintaining clarity and detail. Let’s see how this 4K image upscaler works.

Step 1. Visit the iLoveIMG website and click the Upscale Image option.

Step 2. Click the Select images button to add your photo.

Step 3. Set the Size multiplier to 2x or 4x, depending on your source image.

Step 4. Click the Upscale button to begin the upscaling process.

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Conclusion

Whether you’re a photographer, designer, or content creator who needs high-resolution images without losing quality, a 4K image upscaler will make the process quick and efficient. This post introduces 4 AI-powered apps and online tools that can help you upscale your images with stunning clarity.