Upscayl Open Source Ai Image Upscaler

Name: Upscayl Open Source Ai Image Upscaler
Author: agentskillexchange

ASecurity

Upscayl is a free, open-source AI image upscaler for Linux, macOS, and Windows. It uses Real-ESRGAN models with Vulkan GPU acceleration to enhance low-resolution images, supporting batch processing, custom models, and multiple output formats.

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Added June 8, 2026

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Scanned June 8, 2026

npx -y skills add agentskillexchange/skills --skill upscayl-open-source-ai-image-upscaler --agent claude-code

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SKILL.md

---
name: "Upscayl Open Source AI Image Upscaler"
slug: "upscayl-open-source-ai-image-upscaler"
description: "Upscayl is a free, open-source AI image upscaler for Linux, macOS, and Windows. It uses Real-ESRGAN models with Vulkan GPU acceleration to enhance low-resolution images, supporting batch processing, custom models, and multiple output formats."
github_stars: 44297
verification: "security_reviewed"
source: "https://github.com/upscayl/upscayl"
category: "Image & Creative Automation"
framework: "Multi-Framework"
tool_ecosystem:
  github_repo: "upscayl/upscayl"
  github_stars: 44297
---

# Upscayl Open Source AI Image Upscaler

Upscayl is a free, open-source AI image upscaler for Linux, macOS, and Windows. It uses Real-ESRGAN models with Vulkan GPU acceleration to enhance low-resolution images, supporting batch processing, custom models, and multiple output formats.

## Installation

Use the upstream install or setup path that matches your environment:
- brew install --cask upscayl
- git clone https://github.com/upscayl/upscayl
- npm install
- npm run start

Requirements and caveats from upstream:
- I recommend using Volta: https://volta.sh for installing Node.js.
- Download and install volta, then do: volta install node.

Basic usage or getting-started notes:
- Right Click AppImage -> Go to Permissions tab -> Check 'allow file to execute' and then double click the file to run Upscayl.
- If you get a SmartScreen warning - click 'More Info' and then 'Run Anyway' OR press 'YES' on the unverified publisher dialog.
- # RUN THE DEVELOPMENT SERVER LOCALLY

- Source: https://github.com/upscayl/upscayl
- Extracted from upstream docs: https://raw.githubusercontent.com/upscayl/upscayl/HEAD/README.md

## Source

- [Agent Skill Exchange](https://agentskillexchange.com/skills/upscayl-open-source-ai-image-upscaler/)