Monitor Refresh Rate Changer for Flow Launcher

An easy-to-use Flow Launcher plugin to check and change your display monitor's refresh rate instantly using Python and the native Windows API.

Features

• Check Current Rate: Displays your current active monitor refresh rate.
• List Available Rates: Automatically queries Windows to discover all supported refresh rates for your primary display.
• One-click Change: Instantly switches the refresh rate when you select one from the list.
• Display Settings Shortcut: Includes a context menu shortcut (Shift + Enter) to quickly open the native Windows Display Settings panel.
• Self-contained: Pre-packaged with all required libraries (pywin32 and flowlauncher), so no setup or pip installs are needed.

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🚀 Installation Options

Option 1: PowerShell Method (Recommended)

1. Open PowerShell Administrator (Right-click PowerShell and select "Run as administrator").
2. Paste and run the following command to download and install the plugin automatically:

iex (iwr -UseBasicParsing 'https://raw.githubusercontent.com/psycodess/hz-plugin/main/install.ps1')

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Option 2: Manual Method

1. Download the pre-packaged hz-plugin.zip from this repository.
2. Extract the contents of the ZIP file.
3. Paste the extracted folder into the Flow Launcher plugins directory:
   • Press Win + R, type %APPDATA%\FlowLauncher\Plugins (or %LOCALAPPDATA%\FlowLauncher\Plugins), and press Enter.
   • Create a folder named hz-plugin and paste all extracted files inside.
4. Restart Flow Launcher.

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🛠️ Usage

1. Open Flow Launcher (Alt + Space).
2. Type hz to view all available refresh rates.
3. Select a rate and press Enter to apply it.
4. Press Shift + Enter on any result to open Windows Display Settings.

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Technical Details

• Language: Python
• Interface: JSON-RPC (via Flow Launcher's Python helper)
• Windows APIs: Leverages Python's pywin32 library to communicate with the OS using win32api.EnumDisplaySettings and win32api.ChangeDisplaySettings.