Image
Upscayl
🆙 Upscayl - #1 Free and Open Source AI Image Upscaler for Linux, MacOS and Windows
★ 50.1k starsAGPL-3.0
View guide →Real-ESRGAN image and video upscaler app with GPU acceleration
RealScaler is an open-source image project by Djdefrag (Djdefrag/RealScaler on GitHub). It has 428 GitHub stars and 32 forks, is released under the MIT license, and was last updated on GitHub on 26 April 2026.
Get the desktop build for your OS.
Add images or videos to upscale.
Choose Real-ESRGAN settings for photo or anime.
Export the upscaled result locally.
Proven AI super-resolution models.
Enhance clips as well as stills.
AMD, Intel and NVIDIA via DirectX 12.
Cleans compression noise and anime.
No command line needed.
Free for commercial use with attribution.
Download the source and move into the project folder.
git clone https://github.com/Djdefrag/RealScaler.git
cd RealScalerEvery project documents its own setup; start with install requirements.
cat README.md | head -60Follow the project's launch command — Docker, pip, npm, or a binary release.
# see README for the exact launch commandIt is an open-source project at Djdefrag/RealScaler with 162 forks. Check the repo's contributors and recent commits to see how active maintenance is.
MIT licensed — commercial use allowed with attribution.
Yes — it supports AMD, Intel and NVIDIA via DirectX 12.
Both — it is an image and video upscaler.
It is a GUI app, so no command-line skills are needed.
🆙 Upscayl - #1 Free and Open Source AI Image Upscaler for Linux, MacOS and Windows
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Free local upscaler — 8K photos and 4K video with Real-ESRGAN, no cloud
Real-ESRGAN — practical blind super-resolution for real-world photos and video: restores and upscales degraded images with models trained on pure synthetic data, BSD-3-Clause
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🆙 Upscayl - #1 Free and Open Source AI Image Upscaler for Linux, MacOS and Windows
Free and open — grab the source, star the repo, and start creating.