Upscayl 2024 Review: Next-Gen Image Upscaling

Discover Upscayl, the free and open-source AI Image Upscaler for Linux, MacOS, and Windows. Enhance low-resolution images, upscale for printing, and improve image quality.

Our Verdict

Upscayl emerges as a commendable open-source AI tool for image upscaling, offering an intuitive interface and advanced algorithms that prioritize image quality. Its cross-platform compatibility and free accessibility make it an attractive option for various users. While it may lack certain features found in commercial tools, Upscayl's commitment to open source and high-quality results positions it favorably. Whether you're a graphic designer, digital artist, or simply seeking to enhance image resolution, Upscayl proves itself as a reliable and user-friendly solution, particularly for those who value open-source principles in their image processing endeavors.

Overview of Upscayl


Our team, well-versed in the intricacies of AI tools, dived into exploring Upscayl's capabilities. Developed by TGS963 and Nayam Amarshe, Upscayl employs state-of-the-art deep learning algorithms to produce higher-resolution images, making it a standout-free and open-source solution for improving image quality.

Cross-Platform Compatibility

Upscayl's compatibility across various operating systems, including MacOS, Linux, and Windows, is a commendable feature. Our team tested Upscayl on both a Linux machine and a Windows system, and the tool performed seamlessly on both platforms. This cross-platform application built with a Linux-first philosophy ensures users can leverage Upscayl regardless of their preferred operating system.

Intuitive Interface

The tool's user-friendly interface is a key highlight. We found the process of uploading images and choosing the desired upscale factor (2x, 4x, or 8x) to be straightforward. The simplicity of the interface caters to users with varying technical expertise, ensuring accessibility for both beginners and seasoned professionals.

As part of our testing, we uploaded a low-resolution digital art image. Navigating through the interface, we selected a 4x upscale factor. The results were impressive; Upscayl not only increased the resolution significantly but also preserved intricate details in the digital artwork.

Cutting-Edge AI Technology

Upscayl's utilization of deep learning algorithms to create and enhance pixels sets it apart. We tested this feature by uploading a pixelated image with degraded quality. The tool successfully reconstructed and improved the image, showcasing its prowess in image quality enhancement through advanced AI technology.

We deliberately chose a challenging image with severe pixelation. Upscayl's deep learning algorithms worked diligently, producing high-quality results that surpassed our expectations. The ability to revive images with such clarity is a testament to the tool's advanced AI capabilities.

Open-Source Foundation

The open-source nature of Upscayl, built with open-source libraries, is a distinguishing factor. This not only aligns with a Linux-first philosophy but also sets it apart from commercial tools. Our team appreciates the transparency and collaborative spirit that open-source projects embody, contributing to the tool's credibility.

We delved into Upscayl's source code to gain insights into its inner workings. The transparency and community-driven development were evident, instilling confidence in the tool's reliability. This open-source foundation also ensures continuous improvement through community contributions.

Pros and Cons of Upscayl

As we explore the merits and drawbacks of Upscayl, it's essential to recognize the tool's strengths and areas for improvement. Our thorough testing has unveiled both the commendable features that make Upscayl a powerful image upscaling solution and aspects that users should consider before incorporating it into their workflow.


Free and Open Source: One of Upscayl's primary advantages is its open-source nature. Users benefit from a free image upscaling tool developed by a community of contributors. This aligns with a Linux-first philosophy, fostering collaboration and transparency in the tool's development.

Preserves Details When Upscaling: The ability of Upscayl to upscale images while preserving important details is a standout feature. Our tests consistently demonstrated that even at higher upscale factors, the tool maintained the integrity of images, making it suitable for various applications where image quality is paramount.

Multi-Platform Compatibility: Upscayl's compatibility with various operating systems, including MacOS, Linux, and Windows, ensures that users can seamlessly integrate it into their preferred environment. This cross-platform capability enhances the tool's accessibility and usability across diverse user bases.

User-Friendly Interface: The intuitive interface of Upscayl caters to users with varying levels of technical expertise. The straightforward process of uploading images and selecting the desired upscale factor enhances the tool's usability, making it accessible to both beginners and seasoned professionals.

Allows Varied Upscaling Factors: Upscayl offers flexibility in choosing the desired upscale factor (2x, 4x, or 8x), allowing users to tailor the image enhancement to their specific needs. This adaptability ensures that the tool can cater to a range of image upscaling requirements.

Uses Deep Learning Algorithms: The incorporation of deep learning algorithms in Upscayl's image processing pipeline contributes to the generation of new pixels based on existing ones. This results in higher resolution images with improved quality, showcasing the tool's commitment to advanced AI technology.

Produces High-Resolution Images: The primary goal of image upscaling is to achieve higher resolution without compromising quality, and Upscayl excels in this aspect. Our tests consistently delivered high-resolution images, meeting the expectations of users who demand superior visual output.

Downloadable from GitHub: The availability of Upscayl on GitHub facilitates easy access for users who prefer to download and install the tool independently. This also aligns with the open-source ethos, providing users with direct access to the source code.

Built with Open-Source Libraries: The foundation of Upscayl on open-source libraries not only emphasizes transparency but also contributes to the tool's reliability. Users can leverage the collective expertise of the open-source community to enhance and customize the tool based on their specific needs.


Requires Manual Installation: One notable drawback is that Upscayl requires manual installation. While this might not be a significant hurdle for tech-savvy users, those less familiar with the installation process may find it less convenient compared to tools with automated installation procedures.

Dependent on User Donations: While user donations support Upscayl's development, the tool's reliance on this funding model introduces a level of uncertainty regarding long-term sustainability. The availability of updates and improvements may be contingent on the level of community support.

No Auto-Update Feature: Upscayl lacks an auto-update feature, meaning users need to actively check for updates and perform manual installations to access the latest improvements. This manual update process can be cumbersome for users who prefer seamless and automatic updates.

No Batch Processing Feature: Upscayl currently lacks a batch processing feature, which could be a limitation for users who need to upscale multiple images simultaneously. The absence of batch processing may hinder the tool's efficiency in scenarios where bulk image upscaling is necessary.

Limited Format Support: While Upscayl performs admirably with common image formats, it may have limitations when dealing with less conventional formats. Users working with specialized image formats may find the tool's format support somewhat restrictive.

No Direct Support Channel: Upscayl currently lacks a dedicated support channel for users to seek assistance or report issues. While the open-source community can provide support to some extent, a direct support channel could enhance the user experience.

How We Tested Upscayl


We used these key criteria to form the basis of our evaluation:

Speed of Processing: Our team rigorously assessed Upscayl's speed in processing image upscaling tasks. We uploaded images of varying sizes and complexities, measuring the time it took for the tool to generate higher resolution versions.

Ease of Use: Evaluating the tool's user-friendliness was a crucial aspect of our testing. We navigated the interface, uploaded images, and selected different upscale factors to gauge how intuitively users, both novice and experienced, could interact with Upscayl.

Image Quality Preservation: Image quality preservation formed a core criterion. We deliberately selected images with intricate details to observe how well Upscayl maintained these nuances during the upscaling process.

Compatibility Across Operating Systems: Testing Upscayl's compatibility across multiple operating systems was essential. Our team conducted tests on MacOS, Linux, and Windows to ensure the tool's seamless performance across diverse environments.

Our Review Rating System

We employ a 5-star rating system for all the AI tools we review to give you a comprehensive idea of the overall utility of each tool.

  • Five stars: Editor’s choice
  • Four stars: An excellent choice
  • Three stars: Meets some of our standards
  • Two stars: Doesn’t meet our standards
  • One star: Not recommended

Our team of experts has awarded this AI tool an overall rating of three stars. Upscayl earns a solid four-star rating as an excellent choice in the realm of open-source image upscaling tools. Its commitment to preserving image quality, cross-platform compatibility, and user-friendly interface align well with our standards. While the manual installation process and limited features prevent it from achieving a perfect rating, Upscayl stands out as a commendable option for users seeking high-quality image upscaling without the constraints of commercial tools.

Rating 3/5

Alternatives to Upscayl

As we explore the landscape of image upscaling tools, it's essential to consider alternatives to Upscayl that cater to varying user needs and preferences. While Upscayl offers commendable features, several alternatives provide unique strengths, making them worthy contenders in the realm of image enhancement.

Upscale Media

A robust AI-driven tool, is designed for both individuals and businesses seeking quick and efficient image upscaling. Our team explored this alternative and found it particularly advantageous for its support of various image formats, including PNG, JPG, JPEG, and WEBP. The tool's ability to increase resolution up to 4x while retaining textures and details makes it suitable for diverse applications, from personal image enhancement to professional use in e-commerce and marketing.

Nero AI Image Upscaler

Nero AI Image Upscaler stands out as a free online image upscaling tool powered by advanced artificial intelligence. Our team explored its capabilities and found it particularly effective in increasing image size and resolution while maintaining high quality. The tool's use of cutting-edge image super-resolution technology, trained on a massive dataset, ensures impressive results. Additionally, Nero AI Image Upscaler can remove JPEG noise, making it suitable for scenarios where image clarity is paramount.

A free AI-powered image upscaling tool, our team found to be user-friendly and efficient. Users can easily upload images, and the tool utilizes AI to analyze and enhance image quality, producing high-resolution versions of the originals. While free users have a conversion limit, becoming a PRO subscriber removes this limitation and offers additional benefits, making it suitable for both casual and professional users.

Let’s Enhance

Let’s Enhance is an AI-based online application and free photo enlarger that our team explored for its versatility. The tool provides tools to fix blurry, pixelated, and poor-quality images, making them sharp and clear while increasing resolution. Let’s Enhance is applicable across various use cases, from resizing pictures for creative professionals to upscaling real estate images for marketing purposes.

Upscayl FAQ

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