Brightness Sync for Mac download

Brief summary

Brightness Sync is a free macOS utility made for people who use LG UltraFine monitors. It keeps brightness consistent across multiple LG UltraFine displays so your screens match visually, whether you adjust settings manually or let the app handle them.

How it functions

The app runs quietly in the background and can apply brightness changes automatically, based on your preferences or ambient light. Its interface is simple and straightforward, allowing quick manual adjustments when you prefer direct control.

Main advantages

Saves time by removing the need to set each monitor’s brightness one-by-one
Creates a unified visual workspace that’s easier on the eyes
Operates unobtrusively in the background, with automatic syncing when required
Simple controls let you fine-tune brightness for specific environments

Who benefits most

This tool is particularly useful for professionals and creatives who rely on several monitors at once — anyone who needs a consistent look across displays for work, design, photo/video editing, or general productivity.

Alternatives worth considering

MonitorControl — free option available
Smooze Pro — recommended alternative (free)

Technical

Title

Brightness Sync

Requirements

Language

No language has been specified.

Available languages

License

Free

Latest update

2025-09-25

Author

Visit Website

Other Useful Business Software

Earn up to 16% annual interest with Nexo.

Access competitive interest rates on your digital assets.

Generate interest, borrow against your crypto, and trade a range of cryptocurrencies — all in one platform. Geographic restrictions, eligibility, and terms apply.

Get started with Nexo.

Rate This App

User Reviews

Be the first to post a review of Brightness Sync!

Related Software

Lunar

Lunar is a free utility that automatically manages display brightness by sensing ambient light and adjusting connected monitors. It provides a customizable interface with layouts and presets, synchronizes brightness across multiple displays, and offers time- or environment-based profiles to apply different settings for day, night, or specific lighting situations. By automating ambient-light adjustments and offering straightforward tuning controls, it reduces eye strain and keeps screens comfortable and consistent across setups, making it useful for people who move between different lighting environments, travel with external monitors, or use multi-monitor workspaces.

Brightness Slider

Brightness Slider is a free utility that provides a quick, convenient way to adjust screen brightness through a compact, unobtrusive interface, allowing you to darken or brighten your display without digging into system settings. Some devices include built-in brightness controls, so the app may be redundant for some users; alternatives include paid apps for advanced controls and extra features, dimmer-style tools that focus on reducing screen glare, or other highly rated replacements if the slider doesn’t meet your needs.

Brisync

Brisync is a free app that automatically adjusts display brightness based on ambient light, keeping screen luminance comfortable throughout the day to reduce eye strain and maintain clear, consistent visuals. You set preferred brightness ranges or profiles and the app runs in the background, synchronizing multiple displays and applying gradual, context-aware adjustments. It offers an approachable interface for quick configuration, making it useful for both professional tasks and casual media viewing.

MonitorControl

MonitorControl is a free utility that lets you adjust an external display’s brightness and sound level directly from your computer. It provides quick on‑screen controls, assignable keyboard shortcuts, and support for setups with multiple external screens, so you can change display brightness and volume without switching to the monitor’s physical controls. The app streamlines display management to reduce interruptions and speed common tasks, making it useful for both casual users and professionals. Typical uses include dimming a secondary screen at night, raising speaker volume for calls, toggling display settings via shortcuts while switching tasks, and keeping multiple displays consistent and easy to manage.

Monocle

Monocle is a lightweight utility that lets you dim individual application windows without altering overall display brightness, offering fast unobtrusive controls and keyboard shortcuts for immediate per-window adjustments. It aims to reduce eye strain and help maintain concentration by letting you tailor on-screen brightness for specific tasks or distractions. It’s especially useful when working across apps with mixed visual contrast, dealing with changing ambient light, or preferring a darker workspace for evening focus. For a smooth workflow, keep frequently dimmed apps in consistent positions and use the quick controls or shortcuts to make predictable, repeatable adjustments.

Iris

Iris is a free utility that helps reduce digital eye strain by lowering blue light and letting you adjust color temperature and brightness. It includes break reminders, automatic brightness adjustments, activity-specific presets (for tasks like reading or focused work), and fine-grained filter controls so you can tailor screen warmth and intensity. The app offers several ready-made modes that you can customize and save for quick switching, and it presents settings in a simple, approachable interface. By managing color temperature, brightness, and regular breaks, Iris aims to make long sessions at the screen more comfortable.

ViViD

Vivid is a name used for multiple utilities: one is an automatic brightness controller that monitors ambient light and smoothly adjusts display luminance to reduce eye strain, with options for manual overrides, custom levels or schedules, and sensitivity tuning for comfort. Another Vivid is a photo‑editing app that offers creator‑made presets and detailed controls — saturation, contrast, brightness and other fine adjustments — so you can apply stylized looks quickly, with a free base offering and optional paid upgrades. ViViD is a moody side‑scrolling platformer that follows Burt, a man without sight, through surreal, dreamlike settings and experimental procedures. Gameplay mixes traditional platforming with logic puzzles that rely on sound and altered perception, frequent mechanics twists, character-driven encounters that unfold the narrative, stylized visuals, and immersive audio used as a core gameplay element.

calibrite PROFILER

Calibrite Profiler is a display calibration application for creating accurate ICC profiles and ensuring consistent color reproduction across workflows. It provides precise control over white point, gamma, luminance and contrast, offers both preset workflows for beginners and advanced tweakable settings for professionals, and supports a range of measurement hardware. It’s useful for photographers, designers, print specialists and anyone who needs predictable color between screen and output. The tool combines an intuitive, guided interface with fine-grained controls for routine profiling and one-off calibrations; quick tips include starting from presets, using consistent ambient lighting and allowing displays to stabilize before profiling, and saving profiles for different workflows. For basic on-screen adjustments when full profiling isn’t required, lightweight free utilities can adjust tint and brightness, and there are community-driven and manufacturer alternatives available for users who want different feature sets.

EasyOnTheEyes

EasyOnTheEyes is a compact screen‑shading utility that reduces apparent display brightness beyond native limits to cut glare and reduce visual fatigue during extended use. It offers several instant shade options and preset filters you can apply immediately to soften the screen. Presets are fully adjustable so you can create custom tints and darkness levels that match your preference, and on‑screen controls let you fine‑tune the effect for comfortable long‑term viewing.

BrightIntosh

BrightIntosh is a small utility that raises screen brightness beyond the system’s default ceiling, offering fine-grained controls and a clean, simple interface so users can adjust luminance quickly. It overlays additional brightness adjustment on top of existing display settings without altering system defaults, is nonintrusive, and is easy to enable or disable. This free, no-fuss tool is suited for anyone who needs extra on-screen visibility in bright environments or for detail-oriented tasks and prefers a straightforward brightness boost without digging into complex settings.

Display Pilot 2

Display Pilot 2 is a free utility that streamlines monitor management by centralizing common screen controls into a single, easy-to-access application so you can adjust visual output without navigating system menus or hardware buttons. It provides color calibration tools, contrast and brightness controls, and configurable presets to quickly apply tailored settings for different tasks and environments. The interface is simple and clearly labeled, making it easy for users of varying skill levels to fine-tune displays.

Webcam Settings Control: Full Camera Adjustment

A utility that takes direct control of a webcam’s live video stream and provides real-time adjustment tools to fine-tune appearance, including brightness, contrast, gamma, saturation, and sharpness, plus autofocus, live previews, presets, and instant apply/preview for immediate feedback. Commercial alternatives offer more advanced capabilities—finer-grained controls, professional presets, multi-camera management, and priority support—making them suitable for demanding streaming, production, or frequent conferencing needs.

Report inappropriate content