7 Best AI Image Upscalers – 16x Scaling For Free


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Key Takeaways

  • The best commercial image upscaler is Gigapixel from Topaz Labs.
  • The best free AI image upscaler is Upscayl. It can scale up to 16x the original image in one go.
  • When looking for an AI image upscaler, consider factors such as cost, processing speed, the accuracy of results, and customer support.


Gigapixel AI is another powerful tool specializing in enlarging photos without losing detail or introducing artifacts due to its advanced neural network-based algorithms. This tool supports both Windows and Mac OS operating systems.

Photo AI 2 upgrade vastly enriches the tool’s capabilities by introducing an array of powerful Lighting/Color adjustments while delivering substantial enhancements to existing features such as raw noise removal, sharpening, Autopilot, and seamless Photoshop integration.

And here’s the best part: If you’ve acquired or extended your Photo AI license in the last year, Photo AI 2 is yours, absolutely free of charge! For those whose upgrade licenses have elapsed, don’t fret. You can renew for just $99, which not only unlocks Photo AI v2 but also secures another full year of exciting upgrades.

  • Develop the highest-quality raw images from raw files.
  • Correct underexposed or backlit images.
  • Neutralize strong color casts.
  • Significantly improved raw processing and noise removal.
  • Batch processing capabilities
  • Offers unlimited storage space
  • Supports 8K resolutions and more
  • Offers free trial

Prices start from $99 per year, depending on the plan chosen and how many times access is required during that period.



Upscayl is a free-to-download software. The software is available for Windows, MacOS, and Linux. From the software, you can select Double Upscayl (it will create a 16x the original image – double upscaling the image) or upscale your image once (8x upscaling).

Having used the software, I must say the results are just stunning. Considering it’s 100% free, it’s truly wonderful software. The test was done with Windows, running the 2.5.1 version of Upscayl.

From the software, you can select the following upscale methods:

  • General photo (Real-ESRGAN)
  • General photo (Fast Real-ESRGAN)
  • General photo (Remarci)
  • General photo (Ultramix Balanced)
  • General photo (Ultrasharp)
  • Digital Art



DGB is a free image editing tool that also has image upscaling built into the service. The best part of the service is that you can put a lot of images into the queue and then get a download link to the file when the upscaling is done.

The only downside is that the queue can be a long one (in my test, I was #295 in the queue) so you might have to wait for a long time to get your image upscaled.

You can select the following upscaling methods:

  • Balanced
  • Detailed
  • Cartoon/Drawing
  • Fine-tuning

Let’s Enhance


Let’s Enhance is another popular AI image upscaler service that uses deep learning algorithms to produce high-resolution photos from low-resolution originals in just seconds. It supports all major file formats, such as JPG/JPEG/PNG/TIFF/BMP, and allows users to upload multiple files simultaneously for faster processing time.

Pricing plans start from $9 per month (100 credits), depending on how many images you need to upscale each month.

Let’s Enhance also offers a FREE plan with 10 credits. The most expensive plan costs $34/month and gives you 500 credits.

1 credit = 1 image, and the credits do roll over to the next month if not used. The FREE plan does not have that feature.


VanceAI does not provide just image upscaling services but also image enhancement services, such as AI anime portrait modifier, background remover, old photo repair, and colonizing features. Regarding image upscaling, VanceAI uses techniques such as sharpening and denoising.

You start using the service immediately for FREE up to 3 credits, after which pricing kicks in. VanceAI is one of the most affordable ones out there, offering 100 credits for $4,95. You can either select subscription or pay as you go. This means you can buy more credits or get credits every month, depending on the plan you choose.


Waifu2x is open-source software designed specifically to increase the resolution of anime-style artwork or illustrations created by hand drawing or painting techniques rather than photographs taken with cameras or scanners.

Waifu2x has two different modes: “noise reduction” mode, which reduces graininess in your photo while preserving details, and “Upscaling 2x” mode, which doubles the size of your photo while preserving details too, but not quite as well as noise reduction does according to user reviews.

There are no pricing plans associated with this free software, so it can be used freely by anyone interested in trying out AI image upscaling technology without any cost involved whatsoever!



Real-ESRGAN is one of the best free AI art image upscalers available. However, Real-ESRGAN can be used to upscale any image you have, so it doesn’t have to be an AI-generated image.

The easiest way to get started is to use the NightmareAI. You only need to create a GitHub account, and you are ready to use the upscaler as much as you want with no extra charge or anything.

The Real-ESRGAN upscaler can create a 10x bigger image, and if you want an even bigger image, you can always run the upscaled image again through the upscaler.

According to the F.A.Qs, the face_enhance option is unsuitable for anime images.

Other notable free AI Image upscalers:

  • Lanczos
  • LDSR
  • Valar
  • Nickelback_70000G
  • Nickelback _72000G
  • BS DevianceMIP_82000_G
  • chaiNNer

Choosing The Right AI Image Upscaler

The first feature to consider when selecting an AI image upscaler service is output formats. Different services offer different types of output formats, such as JPEG, PNG, TIFF, WEBP, and more. Depending on what type of file format you need for your project, make sure that the service offers it before making a purchase decision.

Another important factor to consider when choosing an AI image upscaler service is cost and pricing models. Most services offer pay-as-you-go or subscription plans, depending on how much usage you anticipate needing over time.

Make sure that the plan you choose fits within your budget while still providing enough resources for your needs.

Finally, user reviews and testimonials can provide valuable insight into which AI image upscaler services are most reliable and effective at producing high-quality results. It is essential to take some time to read through customer feedback about each option before making a final decision.

When choosing an AI image upscaler service, it is important to consider the following:

  • Features
  • Cost and pricing models
  • User reviews and testimonials

Tips For Using An AI Image Upscaling Service

Using an AI image upscaler service can be a great way to improve the quality of your images. However, it is important to understand how these services work and what you need to do to get the best results. Here are some tips for using an AI image upscaler service:

Prepare Your Images Before Uploading Them

Before uploading your images to an AI image upscaling service, ensure they are of the best quality they can be. This means ensuring that they have been saved in a high-resolution format such as TIFF or PNG and that any unnecessary elements, such as text or logos (except if they are part of the image), have been removed from the file.

Additionally, try cropping out any unwanted parts of the image before sending it off for processing.

Understanding Different Output Formats Available

Most AI image upscaling services offer different output formats, including JPEG, PNG, and TIFF files. Depending on your needs, you may want to select one format over another – for example, if you’re looking for higher quality prints, then choosing a TIFF or PNG file might be preferable to JPEGs which tend to compress more information during processing resulting in lower resolution images overall.

Adjusting Your Image To Achieve Desired Results

When using an AI image upscaling service, it is important to adjust settings according to your desired results. For instance, if you want sharper edges, then increasing contrast levels may help achieve this effect, whereas reducing noise levels could result in smoother gradients within certain areas of the photo depending on its content type (i.e., portrait vs. landscape).

Additionally, adjusting brightness/contrast values can also help bring out details within darker regions of photos that would otherwise remain hidden due to poor lighting conditions when capturing them originally with cameras or phones, etc.

Common Issues With AI Image Upscaling Services

Low-Quality Outputs Or Low-Resolution Images

One of the most common issues with AI image upscaling is poor-quality output due to either poorly optimized settings or low-resolution images being used as input. To avoid this issue, it is important to ensure that you have properly configured the AI settings before uploading your images and ensure that the images are high enough resolution so that the service can successfully upscale them.

Additionally, it is recommended to experiment with different settings until you find a combination that produces satisfactory results for your needs.

Slow Processing Times

Another potential issue with AI image upscalers is slow processing times due to either too many requests at once or large file sizes being uploaded. This problem can often be avoided by limiting the number of requests sent in one batch and reducing the file size, if possible, before uploading them for processing.

Additionally, some services offer paid plans, which allow users to access higher priority queues, which will help reduce wait times significantly compared to free plans, where users may experience long delays between requests being processed depending on demand from other users on the platform at any given time.

Poorly trained algorithms can produce unsatisfactory results when using an AI image upscaler service. Suppose the algorithms have not been adequately trained. In that case, they may produce blurry edges around objects in an image after scaling has been completed.

FAQs For What Is the Best AI Image Upscaler?

What Is AI Image Upscaling?

AI image upscaling is a process of enlarging digital images using artificial intelligence (AI) algorithms. It can improve the quality and resolution of low-resolution images, making them appear more detailed and realistic.

AI image upscaling works by taking a low-resolution image as input and applying an AI algorithm to generate a higher-resolution version of the same image. This process involves analyzing the existing pixels in the original image, predicting what new pixels should be added, and then filling those predicted pixels with new information from other sources, such as similar images or textures.

How does AI upscale an image?

AI image upscaling is a process of using AI algorithms to increase the resolution and size of an image without losing its original quality. This can be done by utilizing deep learning techniques such as convolutional neural networks (CNNs), which are trained with large datasets.

The CNNs analyze the existing pixel information in the low-resolution image and generate new pixels that match those from higher-resolution images, thus increasing the overall size and detail of the image. Upscaled images can then be used for various applications such as web design, digital art, or even printing.

Can AI enhance images?

Yes, AI can enhance images. AI technology has been used to improve the quality of digital images by automatically applying common correction methods such as noise reduction, color correction, and sharpening. It can also be used to create more complex effects, such as adding depth-of-field blur or creating stylized versions of an image.

AI algorithms can recognize objects in an image and apply appropriate filters or effects based on those objects. This makes it possible for users to quickly edit their photos with minimal effort while still achieving impressive results.

Does Upscaling Improve Picture Quality?

Yes and No. When doing upscaling, AI or the upscaling process creates more pixels from nothing to an image. While the upscaled version might look better on a screen, remember that what wasn’t initially in the image/picture can not be artificially created to it while preserving the originality of the image.

In upscaling, pixels are added to the image, pixels that are transparent in the beginning, so in a sense, the image is created with pixels that were not there to begin with. Looking at things from this perspective, upscaling does not improve picture quality.

What should be noted, though, is that upscaling algorithms have improved significantly in recent years, making it easier than ever to get high-quality results from low-resolution images.

What Are The Benefits Of Using AI Image Upscaling?

The main benefit of using AI for upscaling digital images is that it can produce high-quality results without requiring professional photo editors to do the work for you. Additionally, because this process relies on machine learning techniques rather than traditional methods like interpolation, it often produces better results with fewer artifacts than traditional methods alone could achieve.

Since most modern AI solutions are cloud-based services, they can scale quickly and easily to accommodate large numbers of users at once without sacrificing performance or accuracy levels significantly.



Digital Artist

I’m a digital artist who is passionate about anime and manga art. My true artist journey pretty much started with CTRL+Z. When I experienced that and the limitless color choices and the number of tools I could use with art software, I was sold. Drawing digital anime art is the thing that makes me happy among eating cheeseburgers in between veggie meals.

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