本地 AI 图片放大
官方介绍
Upscayl 是一款免费开源的 AI 图像放大工具，README 描述其用 AI 算法放大并增强低分辨率图片。原理（README §FAQ）：用 AI 模型推测图像细节来完成增强，基于 Real-ESRGAN 与 Vulkan 架构；后端 upscayl-ncnn 以 AGPLv3 许可开源。平台与安装：Windows 10+（exe 安装程序，SmartScreen 提示按 README 给出步骤处理）、macOS 12+（dmg 或 Homebrew，另有 App Store 页面）、Linux（Flathub、AppImage、AUR、Snap，以及 RPM/DEB/ZIP 格式）。硬性要求：需要 Vulkan 兼容 GPU，多数核显（iGPU）与 CPU 无法运行；README 提及 issue #390 提供 Windows 与 Linux 的变通方案。已知限制：对失焦或整体模糊的图片无法去模糊或做对焦调整；批量处理中模型不支持的后期处理会在全部放大完成后执行，需等待结束。更多模型可从 upscayl/custom-models 仓库获取，命令行工具为 upscayl-ncnn。文档与教程在 docs.upscayl.org，Wiki 提供兼容性列表与故障排查；GPU ID 选项用于选择使用哪块 GPU（步骤见 Wiki），Windows 下若未设为性能模式，系统可能覆盖该设置。开发构建：README 建议用 Volta 安装 Node.js，clone 仓库后 npm install、npm run start 运行开发环境。
摘译自官方 README（upscayl/upscaylv2.15.0）· 惊蛰 整理 · 2026-10 收录
版本动态
🎉 Upscayl v2.15 New Year Update! 🥳
<img src="https://github.com/user-attachments/assets/2a9adee4-0a7b-452e-9279-1763cebf89f2" width="400px" />
I'm a chill kinda guy
[!IMPORTANT] If you downloaded or updated Upscayl a few hours ago, and the new 'High Fidelity' model is not working, please download v2.15.0 again for your device below. The issue has been fixed and the build has been updated again, sorry for the inconvenience.
🚨 What's Changed
- A new updated interface for the 500th time! 💅🏻
- Upscayl now supports multiple languages! SAY WHAT!? 🤯
- Introducing an all new model - High Fidelity! 🎉
- English, Russian, Japanese, French, Spanish, Portuguese, Vietnamese, Indonesian and Chinese translations have been added 🤗 !
- Added an all new Lens Viewer! Programming it almost made me insane (NO CLICKBAIT) 🥰
- You can now paste and upscayl clipboard images! 📋 Thanks to @abhishek-gaonkar 🙏
- Added a new onboarding dialog that allows you to configure Upscayl before using 👶🏻
- Upscayl now shows you stats like total images upscaled, average upscayl time, etc. in the right sidebar 😉
- Refactored the whole codebase for the 1324215041th time 😮💨
- Updated the Right sidebar (More Options) drawer UI because I can 🙃
- Added TTA Mode, it's too complicated, please brave/google/bing it 😀
- Added System Info section in Settings Tab and Logs 👌
- Updated AI models selection with example images and descriptions for people who love things simple 😎
- Added 256+ character length alert for Windows users (please switch to Linux) 😇
- Added support for JFIF format, don't know who needs it but still... 🃏
- Added the option to disable auto-updates check. Please stop bothering me about it now 😀👍🏻
- Added the option for Mac App Store users to email Upscayl Support directly with logs and all details pre-filled 😉
- Added the option to help Upscayl with stats like GPU models, DAU, etc. We don't collect any personal data 😇
- Added a short tutorial video in the onboarding screen 💁🏻♂️
- Added language switcher in onboarding dialog 🈶
- Fixed Error Screen for client side issues 🫥
- Did all of this hard work, just for the one reading this ☺️
🤵 Special changes
- I won't tell 😀
📢 Announcement from the Upscayl Office (umm, actually, we don't have an office 😀)
GitHub has deprecated Big Sur images. So now we're using MacOS 13 for our Mac builds. If you find any issues, please let us know if it doesn't work on Big Sur anymore.
🫶 Shoutout
- Thanks to @aaronliu0130 as always for taking care of everything here!
- Thanks to @abhishek-gaonkar for fixing code and adding new features !
- Thanks to you all for using this app, thank you for accepting our small offering 🙏
😎 Sigma Contributors
- @dabucz made their first contribution in https://github.com/upscayl/upscayl/pull/858
- @JRufer made their first contribution in https://github.com/upscayl/upscayl/pull/891
- @loudenvier made their first contribution in https://github.com/upscayl/upscayl/pull/983
- @VaibhavWakde52 made their first contribution in https://github.com/upscayl/upscayl/pull/1014
- @CongLeSolutionX made their first contribution in https://github.com/upscayl/upscayl/pull/1068
- @horus68 made their first contribution in https://github.com/upscayl/upscayl/pull/1074
- @yandearta made their first contribution in https://github.com/upscayl/upscayl/pull/1078
- @raniaamina reviewed the #1078 PR.
Full Changelog: https://github.com/upscayl/upscayl/compare/v2.11.5...v2.15.1
更新说明摘自 GitHub Releases 原文（未翻译）· GitHub API 实拉，每周自动刷新
常见问题
Upscayl 的工作原理是什么？
README FAQ 说明其用 AI 模型推测图像细节来增强图片，采用 Real-ESRGAN 与 Vulkan 架构；后端 upscayl-ncnn 以 AGPLv3 开源。
必须有 Vulkan GPU 吗？
是。README 说明 NCNN Vulkan 需要 Vulkan 兼容 GPU，多数核显或 CPU 无法运行；#390 提供 Windows 与 Linux 的变通办法。
有命令行版本吗？
README FAQ 写明 CLI 工具名为 upscayl-ncnn，单独开源。
哪些图片不适合用 Upscayl 处理？
失焦或完全模糊的图片：README 说明其只能增强低分辨率与像素化图片，不能去模糊或做对焦调整。
问答均以官方 README 为据，标注原文口径；不采信无出处说法
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