Abendrot
Abendrot is a free open-source macOS utility that warms your displays in the evening to reduce harsh blue light during night work.
What is Abendrot?
Abendrot is a native macOS utility for warming your screen after dark so your workspace feels less harsh during evening use. It is designed for Mac users who want a focused blue-light reduction tool for built-in and external displays without a large feature-heavy interface. The app lets you adjust warmth levels, apply warming across your display setup, and quickly turn the effect on or off when needed. It is available for Macs running macOS 14 or later and is distributed as a free open-source app. Matthew Ball publishes Abendrot as a dedicated desktop tool rather than a web service, so its main workflow happens directly on your Mac.
Key features
- Warm your screen for more comfortable evening viewing
- Adjust the display warmth level to match your preference
- Use it with built-in and external displays on macOS
- Turn screen warming on or off quickly when color accuracy matters
- Install it as a lightweight native Mac utility
- Use a free open-source app with no app telemetry
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Safety overview
Status: Safe
Abendrot is a normal Mac display utility that changes screen warmth for night use. Access related to display control is expected for this type of app, and removing it simply stops its screen-warming features. As with any display-color tool, you may want to disable it temporarily during color-critical work such as photo editing or design review.
Recommendation: Keep Abendrot if you use it to make evening screen time more comfortable. If you no longer want display warming on your Mac, you can remove it without affecting macOS beyond losing the app’s color-warming controls.
Common paths
/Applications/Abendrot.app
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