12 Best AI Image Upscalers: Enlarge Photos to 4K/Higher without Losing Quality

When you take a photo or generate an AI image, you may find that they become a blurry mess of pixels if you zoom in. You're not alone. If you're creating AI images for printing, showcase a produce photo on a large display, or just trying to >restore an old photo, there’s a good chance you’ve Googled something like “how to upscale an image without losing quality?” at least once.

This is where AI image upscalers come in. By intelligently analyzing the existing pixels and adding detail, they can significantly enlarge your image to 4K and higher resolutions without quality loss. But with so many AI image enlargers out there (free vs paid, mobile vs desktop, fast vs photorealistic), which one is able to increase the resolution without detail loss? Below are the best AI image upscaling software you can use.

What is an AI Image Upscaler

An AI image upscaler is a tool that uses deep learning algorithms to increase image resolution while intelligently reconstructing missing details such as textures, edges, and fine patterns. Unlike traditional upscaling methods that simply stretch pixels, AI upscaling analyzes image content to enhance quality, reduce noise, and sharpen blurry areas.

AI image upscalers are widely used to upscale low-resolution images for high-quality printing, restore old photos, improve compressed images, and enhance AI-generated visuals without losing clarity.

Best AI Image Upscalers 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.

1. Aiarty Image Enhancer- AI Upscaler for Maximum Detail

Price: Free trial, $75/Premium

Aiarty Image Enhancer is an AI image upscaler designed to increase image resolution and enhance image quality using advanced deep learning models. It supports a wide range of formats, including JPG, PNG, TIFF, WEBP, BMP, and RAW images from cameras such as Sony, Canon, Panasonic, and Fujifilm, as well as images generated from AI tools and websites.

This AI upscaling software can upscale images by up to 800% and export high-resolution results in 4K, 16K, 32K, or 300 DPI for printing and professional use. Unlike traditional upscaling methods, it not only enlarges images but also reconstructs natural details such as textures, fur, skin, hair, and shadows, making it ideal for both digital and print scenarios.

In addition to AI image upscaling, Aiarty offers several complementary enhancements to improve overall image quality:

• Image quality correction: Reduce noise, sharpen blurry images, and remove JPEG artifacts.
• AI detail reconstruction: Analyze and rebuild missing details during upscaling, helping images look sharper and more natural even at higher resolutions.
• Old photo restoration: Restore old or damaged photos by improving clarity and enhancing facial details.
• Color correction: Adjust color settings and upgrade images to HDR quality for more vivid and balanced visuals.
• AI remover: Remove unwanted objects or backgrounds to clean up images before or after upscaling.

Best for: Upscaling low-resolution images without losing quality, restoring old photos, and enhancing image clarity for printing, e-commerce, and high-resolution displays. Ideal for users who need to preserve fine details while improving overall image quality.

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. 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.

3. Pixelcut - Fast Online AI Upscaler

Price: Free with paid AI edits staring from $8/month

Pixelcut offers an AI-based image upscaler online. It uses advanced AI tech to add pixels to the original image to upscale it by up to 400%. The whole speed is super fast. It's a great helper for  photographers, designers, or e-commerce owners who need to upscale multiple images. There are two AI models for upscaling: Fast Upscale and Creative Upscale. The Fast Upscale will deliver upscale image fast, while the Creative Upscale will alter some details and take more time.

In my experience with the Fast Upscale, while the upscale image is in high quality, there is a subtle loss in very fine details, such as the intricate texture of lips and the freckles on the face. That being said, considering the AI image upscaling tool of provided for free, the image quality is actually quite impressive.

Try Pixelcut

Best for: Ideal for users needing quick, free image upscaling without demanding high levels of detail.

4. 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.

5. 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.

6. Topaz Gigapixel AI - Professional AI Upscaler for Sharp Detail

Price: $99 (incl. 12 months of updates), $64 for Auto Renewal, $79 for Manual Renewal

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.

7. 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.

8. Bigjpg - AI Upscaler for Anime and Illustrations

Price: Free with limits (starts from $6/2 months)

Bigjpg is a simple online AI image upscaler. Bigjpg offers AI-powered upscaling, allowing users to enlarge images by factors of 2x, 4x, 8x, and 16x (paid plans only). It’s based on a special algorithm that can reduce noise and artifacts during upscaling, leading to sharper and clearer results compared to traditional methods, like PS. Despite its name "Bigjpg," the tool accepts various image formats commonly used in photography and digital art, including JPEG, PNG, and BMP.

The AI image enlarger offers a free version. It can upscale images up to 4x magnification, with a maximum file size of 5MB. The processing speed is slower than paid plans, and batch processing is unavailable. You can upgrade to access higher upscaling options (8x and 16x), faster processing speeds, and the ability to upscale images in batches. There are three paid tiers: Basic: $6 for 2 months (500 images/month), Standard: $12 for 6 months (1,000 images/month), and Premium: $22 for 12 months (2,000 images/month).

Try Bigjpg AI Image Enlarger

Best for: Bigjpg is best for upscaling anime images or illustrations where it potentially excels at detail and color preservation.

9. 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.

10. HitPaw FotorPea - AI Upscaler for Portraits and Old Photos

Price: $89.99/year

HitPaw FotorPea (previous Hitpaw Photo AI) can AI upscale images by up to 800%, achieving stunning 2K, 4K, or even 8K resolution. It also allows you to upscale an image to a specific size you customize. This AI image upscaler offers various AI models such as General model, Denoise model, Colorize model, etc. Those models are tailored for specific tasks like noise reduction, low resolution adjustment, color correction, and detail enhancement. So it’s a good choice to increase the quality of old and blurry photos, anime, portraits, etc.

HitPaw FotorPea goes beyond simple AI image upscaling. It also provides the features to generate AI image, generate AI portrait, remove background or object from images, and make ID photos. However, it doesn't offer free trials either so users can’t review the features before purchase.

Try HitPaw FotorPea

Best for: Restore and salvage old, grainy, and low-quality photos.

11. 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

12. Luminar Neo - AI Upscaler with Natural Detail and Editing

Price: $79.00/year

Luminar Neo's AI Upscale is an image-enlarging software extension designed to upscale images by up to 6x. It uses advanced artificial intelligence to enhance image resolution naturally, even for non-raw files. The company aptly describes Upscale AI's versatility: "Crop captivating details from panoramas, achieve high-quality zoom-ins of wildlife, sharpen macro shots, revitalize old photos, prepare images for printing, and more." And it delivers! The output boasts impressive natural detail, even at higher magnifications.

Only to note that as an overall image editor, the Upscale AI is one of its many features. To access AI image upscaling, add your image > click Catalog > drag the image down to the Upscale AI box at the bottom of the interface.

Try Luminar Neo

Best for: Users who want both photo editing and natural image upscaling.

Related article: Luminar Neo vs Topaz Photo AI: Which One Really Enhances Better?

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.