Crisp 是一款免费开源 macOS 菜单栏应用,为外接显示器提供 HiDPI 缩放、亮度控制及其他显示管理功能,是 BetterDisplay 和 Lunar 等付费工具的替代品。

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开源协议

MIT

最近更新

2026-07-27

AI 仓库情报摘要
FR-AI / ANALYSIS

为什么值得关注

它提供完全免费、无专业版的显示管理解决方案,包括竞争对手收费的功能,并完整支持英文和简体中文界面。

适合谁使用

  • 使用 1080p/1440p 外接显示器、希望获得清晰缩放的 macOS 用户
  • 寻找 BetterDisplay 或 Lunar 免费替代品的用户
  • 偏好简体中文界面的中文 macOS 用户
  • 对显示管理或开源贡献感兴趣的开发者

典型使用场景

  • 在 1080p 或 1440p 显示器上启用 Retina 级缩放分辨率
  • 通过菜单栏使用 DDC 或软件回退方式控制外接显示器亮度
  • 保存并应用预设的显示配置(分辨率、亮度、排列)
  • 从菜单栏快速切换深色模式、夜览和原彩显示

项目优势

  • 免费开源,包含所有功能,无需许可证或专业版
  • 为 macOS 缺少的非 Retina 外接显示器添加了合适的 HiDPI 缩放
  • 通过 DDC 实现硬件亮度控制,支持平滑渐变和伽马回退
  • 功能全面:预设、排列、断开连接、色彩调节、虚拟显示器

使用前须知

  • 需要 macOS 15 (Sequoia) 或更高版本
  • 应用未公证,首次启动需手动批准(通过 Homebrew 安装可跳过)
  • 键盘亮度路由需要辅助功能权限;每个显示器首次启用 HiDPI 需输入管理员密码

README 快速开始

Crisp

Crisp is a free, open-source alternative to BetterDisplay and Lunar: a lightweight, native macOS menu bar app for managing external displays. It's built to feel like an expanded version of the Mac's built-in display menu: the controls you already use, plus the ones it's missing.

The headline feature is proper display scaling for external monitors. macOS only offers sharp, scaled resolutions on its own Retina displays, so most monitors below 4K (like 1080p and 1440p) look either blurry when you scale them up or too small at native resolution. Crisp adds the HiDPI (Retina-style) scaled resolutions macOS leaves out, so everything looks sharp and scaled right. It also handles brightness for external displays (DDC), display arrangement, color, and presets, all from the menu bar.

No Pro tier, no license key. Crisp keeps every feature free, including a few that BetterDisplay and Lunar charge for: disconnecting displays, color adjustments, and auto-brightness that follows your built-in screen.

Fully localized in English and Simplified Chinese (简体中文).

https://github.com/user-attachments/assets/90a62808-84d2-40d6-8563-0b282b9b4b6d

Features

  • Sharp, Retina-quality scaling on any display: HiDPI scaled resolutions that make external monitors crisp instead of blurry or undersized, with automatic HiDPI setup for 1440p and larger displays
  • Brightness everywhere: hardware DDC control for external monitors with software (gamma) fallback, smooth fades, brightness-key routing to the display under the cursor, and true darkness below the hardware floor
  • Presets: save named display configurations (resolution, brightness, arrangement) with custom icons and colors, apply with one click, update in place
  • Display arrangement: drag-to-arrange canvas, main display switching
  • Disconnect displays: turn physical displays off and back on from the menu, remembered across sleep/wake (Apple Silicon)
  • System toggles: Dark Mode, Night Shift, and True Tone, one click from the menu bar
  • Color: ICC profile switching, gamma/contrast/gain image adjustment
  • Virtual displays: create HiDPI virtual screens
  • Extras: combined brightness slider, auto brightness following the built-in display, notch hiding, launch at login

Install

brew install --cask didriksg/tap/crisp

Or grab Crisp.dmg from the [latest release](https://github

项目描述

Free, open-source macOS alternative to BetterDisplay and Lunar: a lightweight menu bar app with sharp HiDPI/Retina scaling for external monitors (no more blurry or tiny text), plus brightness (DDC), virtual displays, presets, and color.

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