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Upscayl

Free AI image upscaler for the desktop

Self-Hosted AI ★ 50.5k stars Easy setup AGPL-3.0

Upscayl is a free, open-source desktop application that upscales and enhances low-resolution images using AI super-resolution models. It runs fully offline across Windows, macOS, and Linux.

Official siteSource code

Key features

  • AI super-resolution
  • Fully offline
  • Batch upscaling
  • Cross-platform desktop app

Pros & cons

Strengths

  • Fully offline processing
  • Simple one-click upscaling
  • Cross-platform desktop app

Trade-offs

  • Vulkan-capable GPU required
  • Desktop app only

Is Upscayl secure?

OSV.dev has no published security advisories for Upscayl's repository. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

Source: OSV.dev, checked 2026-10-14. How this is measured.

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Health badge

Maintain Upscayl? Add its health score to your README. The badge links back to this page.

SelfHostIndex: 83 · excellent

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