A menu bar display controller for Mac.
teenydisplay gives you full DDC/CI control of your external monitors from your Mac's menu bar. Brightness, contrast, volume, input switching, resolution, and presets. Works over USB-C, Thunderbolt, HDMI, and DisplayPort. 3-day free trial, then $9.99 once.
Full DDC/CI hardware control over every external display connected to your Mac.
Hardware DDC brightness for external monitors plus software dimming that extends below the DDC minimum for dark rooms. Built-in MacBook display support via custom shortcuts too.
Adjust contrast ratio and speaker volume via DDC. Volume also works on AirPlay displays (Apple TV, AirPlay TVs) through macOS audio APIs. Mute toggle included.
Switch between HDMI, DisplayPort, USB-C, and more with one click. Turn monitors on, off, or into standby via DDC. No more reaching behind your monitor.
Save up to 5 named presets capturing brightness, contrast, volume, input, and resolution. One click restores everything. Set a default preset to auto-apply on launch.
Intercept brightness keys (F1/F2) and volume keys for external monitors. Set custom global hotkeys for brightness, contrast, and volume. Configurable step sizes from 1% to 10%.
Link multiple monitors together. Adjust one and all linked displays follow proportionally. Perfect for matched setups.
teenydisplay sits quietly in your menu bar until you need it. Click to open a compact popover showing every connected display with sliders for brightness, contrast, and volume, plus input switching, power control, and a resolution picker. Save or apply presets right from the popover. Expand or collapse each display. See DDC status, connection type, and resolution at a glance.
Intercept your Mac's native brightness keys (F1/F2) and volume keys so they control your external monitors instead of the built-in display. Or set entirely custom global shortcuts for brightness, contrast, and volume. A native on-screen display appears on the correct monitor showing the current level. When no external displays are connected, keys pass through to macOS normally.
Script your displays with teenydisplay:// URL commands. Set brightness, switch inputs, apply presets, toggle power, and more. Works from Shortcuts, Alfred workflows, and other automation tools. Perfect for desk setup automations and focus modes.
Resolution control, display diagnostics, software dimming, and more.
Switch resolutions and refresh rates from the menu bar. See all available modes including HiDPI and hidden refresh rates on Apple Silicon. No more System Settings detours.
See the currently active ICC profile for each display alongside hardware identifiers and connection details, so you can confirm which profile macOS is using.
When a monitor does not expose DDC brightness, teenydisplay can still dim it in software. DDC monitors can also dip below their hardware minimum for darker rooms.
View detailed info for each display: connection type, vendor and product IDs, serial number, native resolution, DDC capabilities, and current color profile.
Redirect brightness and volume keys to external displays, customize step sizes, and show a native-feeling on-screen display on the monitor you are adjusting.
Start teenydisplay automatically when you log in. Pure Swift and SwiftUI with zero third-party dependencies. Lightweight, native, and stays out of your Dock.
teenydisplay is $9.99 - a one-time purchase. You pay once and own it forever. No subscription, no recurring fees, no upgrade charges.
No. teenydisplay is a one-time payment. You buy it once, it's yours. Forever. We don't do subscriptions.
teenydisplay requires macOS 14 (Sonoma) or later. It supports both Apple Silicon and Intel Macs.
Only for license validation. All display control happens locally on your Mac with no internet required.
The app does not collect, store, or transmit your display settings or personal data. The website uses Google Analytics for page views and download clicks, as described in the privacy policy.
teenydisplay works with most external monitors connected via USB-C, Thunderbolt, HDMI (including Apple Silicon's built-in HDMI), DisplayPort, or DVI that support the DDC/CI protocol. This includes most modern monitors from LG, Dell, Samsung, BenQ, ASUS, and others. For monitors without DDC (such as some USB adapters or AirPlay screens), software dimming is available as a fallback. Supports both Apple Silicon and Intel Macs.
Fill out this form with a description of the issue, your macOS version, and your monitor model. We'll get back to you as quickly as we can.
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