12 Best AI Image Upscalers to Upscale Low-Resolution Images to 4K & Higher

Blurry, pixelated images are a common issue when enlarging photos or zooming into images. Whether you're preparing images for printing, social media, or professional use, low resolution can significantly reduce visual quality.

In such cases, an AI image upscaler is the most effective solution to enlarge low image resolution while preserving natural detail. In this guide, we'll explore the best AI image upscalers available today and help you choose the right tool for your needs.

Best AI Image Upscalers for Enlarging Images in 2026

Before diving into detailed reviews, here is a quick comparison of the best AI image upscalers in 2026. This table highlights key factors such as pricing, maximum upscaling capability, AI models, and supported features to help you quickly find the right tool for your needs.

How to Test the Best AI Image Upscaler

To evaluate the performance of an AI image upscaler, you should test it using different types of images such as portraits, low-resolution photos, and highly compressed images.

Key factors to evaluate include:

• Detail preservation: Check whether fine textures remain sharp after upscaling.
• Noise reduction: Evaluate how well the tool removes grain and compression artifacts.
• Upscaling limit: Test how the image looks at 2x, 4x, and higher magnifications.
• Natural appearance: Ensure the result does not look overly sharpened or artificial.

A good AI image upscaler should balance sharpness and realism while avoiding over-processing.

1. Aiarty Image Enhancer- Enlarging Low-Resolution Images Without Losing Quality

Price: Free trial, $75/Premium

Aiarty Image Enhancer is one of the most advanced AI image upscalers designed for users who need high-quality image enlargement without losing detail. It can upscale images up to 4K, 8K, or even 32K while preserving natural textures and realistic details.

Unlike basic AI upscalers that only enlarge images, Aiarty focuses on detail reconstruction. It intelligently restores fine elements such as hair strands, skin texture, fabric patterns, and shadows, making the results look more natural and realistic. Compared to other AI image upscalers like Topaz Gigapixel AI or Upscayl, Aiarty focuses more on balancing sharpness and natural detail restoration rather than over-sharpening or artificial-looking results.

It also supports multiple professional workflows, including RAW image processing, batch upscaling for large image collections, and enhancement of both real photos and AI-generated images.

• AI image upscaling with natural and reaslitic details
• Remove noise, grain, blur, and pixelation artifacts from low-quality images
• Old photo restoration with facial detail reconstruction
• Color correction and HDR-style enhancement
• Object and background removal for cleanup before or after upscaling

Overall, Aiarty Image Enhancer is best suited for users who need professional-level AI image upscaling with maximum detail preservation, especially for printing, e-commerce product images, and high-resolution displays.

How to Upscale Images with AI?

Upscaling an image with an AI image upscaler like Aiarty Image Enhancer is simple and requires no technical skills. Follow these steps to increase image resolution and enhance quality:

Step 1. Import your images

Open Aiarty Image Enhancer and import your image (JPG, PNG, or other supported formats). You can add single or multiple images for batch processing.

Step 2. Choose an AI Model

Select the appropriate AI model based on your image type, such as general photos, portraits, or low-quality compressed images. The AI will automatically analyze and prepare for enhancement.

Step 3. Select Upscale Level

Choose how much you want to upscale the image (e.g., 2×, 4×, or higher). You can also enable options like denoise, deblur, or detail enhancement for better results.

Step 4. Preview and Adjust

Preview the upscaled image and you can also adjust the color settings and enhance faces to get more balanced upscaled quality.

Step 5. Export the Upscaled Image

Click Export Current or Batch to save the enhanced image(s) in high resolution, suitable for printing, sharing, or professional use.

In hands-on testing, Aiarty Image Enhancer delivers impressive results in both image upscaling and detail preservation. It not only increases image resolution but also significantly improves clarity by reducing blur and noise.

One of its standout strengths is how well it preserves fine details. Elements such as hair strands, eyelashes, and skin textures remain sharp and natural even after significant upscaling. This makes it particularly effective for portraits and high-detail images where maintaining realism is essential.

Overall, the tool provides a reliable way to upscale images without losing quality, especially when enlarging old photos or slightly blurry images.

2. Topaz Gigapixel - Professional AI Upscaler for Sharp Detail

Price: $149/year for Personal Version, $499 for Pro Version

Topaz Gigapixel AI is a powerful tool for upscaling images without any noticeable loss in quality. It excels at preserving detail and sharpness when enlarging images using AI. Users can choose image magnification levels from 2x to 6x, allowing flexibility depending on their desired output sizes. The software provides six different AI models specifically trained for various image types, such as Standard, HQ, Art & CG, Lines, etc. This allows for potentially better upscaling results based on the image content. You can fine-tune settings for optimal results on different subjects. Additionally, sliders allow you to adjust noise suppression, blur removal, and compression artifact reduction.

It's a popular AI image upscaler for increasing the resolution of artwork generated by platforms like Midjourney, upscaling images for high-quality prints without sacrificing detail, reimgining low-quality images, enhancing details in portraits and human faces, etc.

Try Topaz Gigapixel AI

Best for: User who want an AI image enlarger with best results and the most control.

3. Upscayl - Free AI Upscaler for Quick and Easy Use

Price: Free

Upscayl stands out as a free and open-source AI image upscaling tool. It’s powered by the NCNN framework and Real-ESRGAN architecture to significantly enlarge images while preserving some level of detail. You can choose between a convenient online tool and downloadable desktop software, both offering up to 4x AI upscaling. Upscayl allows resizing up to 16x without AI, perfect for basic enlargements (except the Double Upscayl model). It offers 10 AI models specifically trained to enhance different image types, such as General Photo (Real-Esrgan), General Photo (Ultra-sharp), and Digital Art, with the desktop upscaler offers 5 models only.

This free AI image upscaler is extremely straightforward and easy to navigate, requiring minimal technical expertise. Whethere you need to upscale creations from platfroms like Midjourney or DALL-E for printing or digital display, prepare images for T-shirt design graphics, or DIY personal scrapbooking, Upscayl can easily enlarge your image into the size you need.

Try Upscayl Free AI Image Upscaler

Best for:

• Users who only need to enlarge images occasionally and prioritize ease of use or quick enhancement.
• Upscayl might be suitable for upscaling photos with less intricate details where preserving every nuance is less critical.

4. Photoshop Super Resolution – Best AI RAW Photo Upscaling

Price: $29.99/mo

Photoshop Super Resolution (via Adobe Camera Raw / Lightroom) is an AI-powered image upscaling feature designed to double image resolution while preserving natural detail, making it one of the most reliable tools for enlarging low-resolution images in professional photography workflows.

Unlike typical AI image upscalers, it works at the RAW processing level and uses Adobe’s Sensei AI model to reconstruct missing pixels more accurately. It can upscale images by 2x in width and height (4x total pixels), which is especially useful for printing, cropping, and restoring older or low-resolution photos. However, it is not designed for extreme enlargement like 8K or 32K outputs.

Best for: Best for photographers and designers who need AI image upscaling for low-resolution RAW photos, especially for print preparation, cropping enhancement, and maintaining realistic textures without over-sharpening.

5. Let's Enhance for Online AI Image Upscaler

Price: Starts from $9/month for 100 credits

Let’s Enhance is a cloud-based AI image upscaler focused on quick image enlargement and automatic enhancement for low-resolution images, making it ideal for users who want fast results without installing software.

It uses AI enhancement presets to upscale images up to 4x–16x depending on the plan, while also improving brightness, color balance, and reducing compression artifacts. It is widely used for e-commerce product images, social media visuals, and online marketing assets where speed and convenience matter more than manual control.

Try Let's Enhance Free AI Image Upscaler

Best for: Best for users who need a fast AI image upscaler for enlarging low-resolution images online, especially for product photos, marketing visuals, and quick social media optimization.

6. ON1 Resize- Upscale Images for Printing & Large Format Images

Price: $69.99

ON1 Resize is a professional-grade image upscaling software designed specifically for large-format printing and high-resolution enlargement of photos without losing detail.

It uses fractal-based and AI-assisted resizing algorithms to enlarge images while preserving sharpness and structure. Unlike many AI image upscalers focused on general enhancement, ON1 Resize prioritizes print-quality output, making it popular among photographers and print studios who need consistent high-resolution results.

It supports advanced resizing workflows, tiling, and batch processing, making it suitable for handling large photo libraries or gallery-level print preparation.

Try ON1 Resize AI Image Upscaler

Best for: Best for professionals needing AI-assisted image upscaling for printing large photos, posters, and exhibition-quality visuals, where maintaining structure and clarity is critical.

7. Upscale.media - Web AI Upscaler for Noise and JPEG Fix

Price: Free with limits (starts from $0.10/credit)

Upscale.media is an online AI image upscaler. It helps enlarge your images by 1x, 2x, or 4x with just a few clicks. You can upload photos directly from your computer or provide a URL for online images. It supports popular image formats like JPG, PNG, WEBP, and HEIC, ensuring compatibility with most image files. It can also reduce noise, improve the image resolution, and remove JPEG artifacts.

This AI image enlarger is also available for Android and Apple mobiles. So it’s a good choice for those who want to AI upscale images on the go. However, you should know that the Upscale.media currently accepts images with a maximum size of 1500x1500 pixels and 25MB. If you want to enhance a large number of images at once, consider Upscale.media's sister service, Pixelbin.io, which offers bulk image processing capabilities.

Try Upcale.media

Best for: Upscale.media is a web-based AI image upscaling tool ideal for users seeking a streamlined approach to image upscaling. Its straightforward interface and efficient AI processing prioritize ease of use, making it a suitable choice for those who require occasional image upscaling without extensive editing features.

8. Magnific AI - Best Generative AI Image Upscaler

Price: Starts from $39/mo for 2,500 tokens (approx. 200–500 upscales)

Magnific is a next-generation AI image upscaler that goes beyond traditional upscaling by using generative AI to “re-imagine” and enhance image details, making it especially popular among AI artists and digital creators.

Instead of simply enlarging low-resolution images, Magnific can add new textures, refine lighting, and enhance micro-details, often producing highly stylized and cinematic results. This makes it powerful but also less predictable compared to traditional AI image upscaling tools.

It is widely used for AI art enhancement, concept design, and creative image upscaling, where realism and artistic interpretation are both important.

Try Magnific AI Image Upscaler

Best for: designers and AI creators who want a generative AI image upscaler for low-resolution images that need creative enhancement and stylized detail reconstruction, rather than strict realism.

9. Img.Upscaler - Free AI Upscaler for Small Batch Enlargements

Price: Free with limits (starts from $3.9/ month for 100 credits)

Img.Upscaler is an online AI image upscaler based on AI super resolution tech. It lets you to enlarge the images by 200% and 400% with high output quality. After you upload and upscale the image, there are options to let you crop, rotate, flip, add filters, fine-tune, decorate and more. Based on my experience, the image quality after upscaling is quite good, with small details like facial features and hair strands being preserved very well. If you have multiple images to upscale, you can upscale up to 5 images to process at the same time.

On the free AI image upscaler, you can enlarge 20 images for free per month. After that, you will need to subscribe to a plan, which starts from $3.9/ month for a yearly plan.

Try Img.Upscaler

Best for: Quickly upscale several images to not very high resolutions.

10. VanceAI - High-Magnification AI Upscaler up to 40x

Price: starts from $0.049/credit (or $ 39.90/month for the software)

VanceAI Image Upscaler is an AI-powered tool that allows users to enlarge images online and through desktop software. It boasts impressive upscaling capabilities, offering online enlargement up to 8x and desktop software reaching a staggering 40x. This caters to users who need significant image size increases. The AI image enlarger offers five AI models specifically trained for photos, anime, art, text, and "Magic Enlarge," aiming to optimize results for photos, posters, banners, AI-generated images, etc.

VanceAI isn't just about AI image upscaling. Users can perform basic image editing tasks like cropping, color adjustment, filtering, sharpening, and noise reduction – all within the same platform.
VanceAI supports image uploads up to 10MB with a maximum resolution of 34 megapixels. However, the desktop version allows for even larger images. Upscaling an image without watermark needs 1.0 credit.

Try VanceAI Image Upscaler

Best for:

• Users who need to significantly enlarge images (up to 40x) with AI tools while maintaining some details.
• Users who want basic image editing tools alongside upscaling functionality.

11. Nero Image Upscaler - AI Enlarger for Blurry and AI Images

Price: Free with limits (starts from $19.95/month)

Nero Image Upscaler is an AI image enlarger online employs image super-resolution technology based on DCNN. It has been trained a massive dataset of different images to effortlessly upscale your images to 4K, while preserving their natural look and quality. It offers 6 models, targeted at enhancing the quality of blurry portrait, anime images, photographs, general images, and business pictures. It can remove blur and JPEG artifacts from images.

Available as both an online tool and a desktop program (Windows) with a mobile app version (iOS, Android), it empowers users to effortlessly upscale their images on various platforms. The Nero AI Image Upscaler on PC offers more control over the AI image upscaling process, such as 5 different AI models, 2x, 3x, 4x upscaling options, ability to customize the image size, etc.

Try Nero Image Upscaler online

Best for: Raw images that hasn’t been upscaled or pixelated before. It also works well with AI-generated images from different AI generators.

12. DeepImage - Simple Online AI Upscaler for High-Res

Price: Free with watermarks (starts from $6.00/month)

DeepImage AI offers a straightforward online tool for upscaling images. Users can choose magnification factors from 2x to 16x, significantly increasing image resolution. It contains a free and a paid version. The free plan lets users upscale images up to 4K resolution (with watermark), with a maximum target resolution of 16 megapixels (4096 x 4096). You can unlock higher resolutions, reaching up to 340 megapixels (18439x18439) and remove watermarks for a clean output by upgrading to the paid plan.

You can also upgrade to its AI Image Enhancer Pro, which offers options to upscale by width & height, denoise, sharpen, enhance face details, adjust color/lighting, batch upscale, etc.

Try DeepImage AI Image Upscaler

Best for: Users who simply need to increase image size without extensive editing

Summary

Today it’s easy to upscale your low-resolution images to large size without quality loss. You simply need to get a good AI image upscaler tool. In this article, we’ve list the best AI image enlarger software and online tools. You can choose an AI image upscaling solution that can upscale images to 8K or higher, remove image artifacts such as noise, compression pixilation, blur, and handle multiple images. By prioritizing these features and taking advantage of free trials, you'll be well-equipped to select the best AI image upscaler for your needs. Unleash the hidden potential within your low-resolution images and transform them into stunning, high-quality visuals with the power of AI.