AI Image Upscaler Review – Find the Excellent Features and Compare Cons/Pros
Last Updated on September 21, 2025 by Peter Wood
Which AI image upscaler should I choose to enhance the image quality? If you need to enlarge some photos with details for printing, it should be the optimal choice. There are two major choices for upscaling images with AI algorithms: online enhancers and offline upscalers. Learn more about the AI image upscaler review and choose the desired one accordingly.
Part 1: 5 Best AI Image Upscalers to Enhance Image Quality
Method 1: WidsMob ImageConvert
WidsMob ImageConvert is more than an AI image enhancer, it enables you to rotate, resize, watermark, and convert different photo formats. It supports up to 3000px by 3000px images, which means you can get the optimal files with 12000px by 12000px. There are 3 different modes to upscale the image size, 2X, 3X, and 4X. Moreover, you can also use the Enlarge Small Images option in the Resize menu to get a large file.
1. Provide 3 different AI image upscale methods to enhance image quality.
2. Resize the image to enlarge small images if you do not need the details.
3. Preserve more details for the images and provide higher image qualities.
4. Convert the photos to WebP, AVIF, and more without losing the quality.
Step 1: Download and install WidsMob ImageConvert, you can launch the program on your computer. Click the Open button from the File menu to import the desired photos. Double-click the image to enter the editing window of the program.
Step 2: You can rotate the photos, rename the output, or add a watermark in a batch before upscaling the photo quality. After that, you can click the AI Super Resolution option in the upper right corner to enhance the quality with the AI image upscaler.
Step 3: Check the 4X option from the Scale Mode, you can choose the Fit in option to view the thumbnail or the Actual Size to find the details. After that, you can click the Apply button to upscale the images. It depends on the configuration of your computer for the process.
Step 4: Preview the enhanced image in the right part, you can also zoom in to check the details. It will preserve the original quality if you check some details of the file. After that, you can click the Save As button to export the upscaled image to your computer.
Method 2: Blow Up 3
Blow Up 3 is known as a Photoshop plugin, which enables you to crop, resize, and stretch photos to a much larger file size. It should be an AI image upscaler alternative that enables you to enlarge the image ratio up to 1600% or more with the sharpened edge and grain effect.
Pros:
1. Provide different presets for document sizes and customization options.
2. Lossless amplifier that makes edges sharper by not introducing artifacts.
Cons:
1. Lack of AI features to enhance the photos by adding new pixels.
2. Less selective features and only provide the trial version only.
Method 3: GIMP
When you need to upscale some images for free, GIMP is another AI image upscaler alternative with powerful code algorithms. It enables you to scale the images to a much large size and enhance the photo quality with advanced features within clicks.
Pros:
1. Upscale quality of photos with preserved details and bicubic smoother.
2. Enhance the resolution with the Sinc (Lanczos 3) for higher image quality.
Cons:
1. It only enables you to enlarge the photos instead of adding more pixels.
2. Cause the photos are pixelated when you enlarge or upscale the photos.
Method 4: Photoshop
Whether you need to enhance the images directly, or even use the AI image upscaler plugin as Blow Up 3, Photoshop is the best choice. It provides the Preserve Details 2.0 algorithm to stuff more pixels in a blurry image to add more details.
Pros:
1. Provide multiple plugins and default features to enhance photo qualities.
2. Smooth gradients and preserve details for blending the upscaled image.
Cons:
1. The enhanced image should be over-sharpened and pixelated.
2. Take a large resource to enhance and upscale photos with Photoshop.
Method 5: A Sharpener Scaling
A Sharpener Scaling is a free Windows AI image upscaler that scales a quarter of a 50 Megapixels image by 200% and you can get another 50 Megapixels image. It is known as the Preserve Details of Photoshop, which is based on bicubic interpolation internally.
Pros:
1. Offer the most appropriate method for image scaling and enhancing.
2. Upscale the files up to 4x of the original photo size free of charge.
Cons:
1. Difficult to install that requires .NET Framework 3.5 for Windows.
2. Limited features, such as noise reduction and upscale choices.
Part 2: Top 6 Online AI Image Upscalers to Enlarge Photos
Method 1: Bigjpg
Bigjpg is an online AI image upscaler that supports both artwork and photos. It enables you to reduce the noise and jagged to different degrees when you enhance the image quality. It will preserve the colors, details, and others in the output file.
Pros:
1. The AI image enhancer works on Windows, Mac, and Android devices.
2. Support 3000px by 3000px image, or the image files within 10M for free.
Cons:
1. Take too much time for upscale and might even turn out in vain.
2. Need to upgrade to Pro service to upscale with 8X or 16X online.
Method 2: Icons8
Icons8 is another AI-based image enhancer that supports JPG/PNG format images that upscale to 7680px by 7680px. Moreover, it also provides API access to composing and photographing the desired areas of the photo by constantly adding data.
Pros:
1. Upscale up to 3 images online with both JPG and PNG file formats.
2. Support the image within 5MB and upscale the photos automatically.
Cons:
1. Need to subscribe to use the 4X image upscale or download the file.
2. Add a watermark to the image and pay to remove the watermark.
Method 3: AI Image Enlarger
Just as the name of the AI image upscaler, it enables you to enlarge photos, cartoons, and anime automatically at a fast speed. It supports uploading photos up to 10MB and allows a maximum size of 4000px by 4000px. Moreover, it also provides a batch process to enlarge multiple photos.
Pros:
1. Enable you to enhance and upscale the photos 4 times for free.
2. Provide unlimited access with 10MB with live chat support online.
Cons:
1. The server is not stable and you cannot always use the online upscaler.
2. There are ads and some features are not allowed in the free version.
Method 4: Vance AI Image Upscaler
Vance AI Image Upscaler is an AI image enhancer that focuses on anime-type images and has a special upgrade algorithm dedicated to anime image quality upgrading. It scales from 2X, 4X, 6X, to 8X to image enlargement and no loss of image quality when adjusting.
Pros:
1. Provide AI upscale methods to enhance details and texture easily.
2. Delete the processed images within 24 hours to protect privacy.
Cons:
1. Process up to 3 photos/month for free with a watermark in the output.
2. The server is not stable, which makes it difficult to upload the photos online.
Method 5: Waifu2x
Can you upscale an image to 10X the original size? Waifu2x is the desired AI image upscaler to tweak the scale options from 1x to 10x. Moreover, there are 3 different noise reduction levels to remove the image noises. It will resize the photos instantly with less effort and great quality.
Pros:
1. Provide 19 different upscale modes to upscale the photo quality.
2. Preview and download the enhanced image within the web browser directly.
Cons:
1. The stable problem is a headache whether uploading or downloading files.
2. Do not support JPEG artifacts and other imperfection optimization.
Method 6: Zyro
Zyro is more than a website building platform, but also provides an image upscale processing service, which is not highly functional. It enables you to remove noise and upscale the quality. It is completely free, no registration or login is required, no restrictions on the images processed.
Pros:
1. Increase image resolution without losing quality and easy to use.
2. Enable you to integrate the AI image upscaler into your application.
Cons:
1. It is not stable and does not work as the advertisements.
2. The output quality is low, and the magnification is only 2X.
Part 3: FAQs about AI Image Upscalers You Should Know
Conclusion
Here are 11 AI image upscalers to enhance the photos on your computer. Whether you need online choices or offline programs, you can always get the desired one from the review. When you need one to upscale the photos frequently on your computer, WidsMob ImageConvert is the stable and workable one you should download.