Qt Designer is a cross-platform drag and drop GUI designer, which can be used to build UIs for both PyQt and PySide.It is a great tool to simplify the process of building interfaces for your applications.
While Qt Designer is distributed by Qt as part of the Qt Creator integrated IDE, most of that IDE is not useful or helpfulfor Python development -- primarily being designed for C++ developers. If you just want the Designer application, this isnot currently available from Qt. But helpfully, other people have stepped up to make this available.
In this guide we'll look at the various options available for installing Qt Designer as a standalone application on your system.
Since the Qt Designer software is free software, these alternative distributions of Qt Designer are permitted.
PyQt Command line launcher
Qt Designer is available on PyPi via the pyqt5-tools package. This can be pip installed just like any other Python package.This wrapper will download and install Qt Designer for you and provide a command-line launcher to start the program.
- PyQt6
- PyQt5
bash
pip install pyqt6-toolsbash
pip install pyqt5-toolsAfter installation you can run Qt Designer from the command line using the built-in launcher.
- PyQt6
- PyQt5
bash
pyqt6-tools designerbash
pyqt5-tools designer If this doesn't work check your Python scripts folder is in your PATH.
PySide6 Command line launcher
In recent versions of PySide6 Qt Designer is installed automatically when you install PySide6 with pip. After installation you canrun Qt Designer from the command line using the built-in launcher.
bash
pyside6-designer If this doesn't work check your Python scripts folder is in your PATH.
The complete guide to packaging Python GUI applications with PyInstaller.
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Installing from Qt Package
If the above installation options don't work for you, you can instead follow the following instructions to installQt Creator or Qt Designer depending on your platform.
If you install Qt Creator you can access Qt Designer through it, even if you don't use any of the other functionality.
Windows
Qt Designer is available in the installation packages for Qt available from the Qt downloads page. Download and run the appropriate installer for your system and follow the platform-specific instructions below. Installing Qt Designer will not affect your Python PyQt5/6 or PySide2/6 installation.
Qt Designer is not mentioned in the Windows Qt installer, but is automatically installed when you install any version of the Qt core libraries. For example, in the following screenshot we've opted to install the MSVC 2017 64-bit version of Qt -- what you choose will have no effect on your Designer install.
Installing Qt, will also install Qt Designer.
If you want to install Qt Creator it is listed under "Developer and Designer Tools". Rather confusingly, Qt Designer isn't in here.
Installing the Qt Creator component.
macOS
Qt Designer is available in the installation packages for Qt available from the Qt downloads page. Download and run the appropriate installer for your system and follow the platform-specific instructions below. Installing Qt Designer will not affect your Python PyQt5/6 or PySide2/6 installation.
Qt Designer is not mentioned in the macOS Qt installer, but is automatically installed when you install any version of the Qt core libraries. Download the installer from the Qt website -- you can opt for the open source version.
Inside the downloaded .dmg file you'll find the installer.
Open the installer to start the installation. Go through to where it asks you to choose which components to install. Select the macOS package under the latest version of Qt.
You only need the macOS package under the latest version.
Once the installation is complete, open the folder where you installed Qt. The launcher for Designer is under <version>/clang_64/bin. You'll notice that Qt Creator is also installed in the root of the Qt installation folder.
You can find the Designer launcher under the
You can run Designer from where it is located, or move it into your Applications folder so it is available to launch from the macOS Launchpad.
Linux (Ubuntu & Debian)
You can install Qt Designer using your package manager. Depending on your distribution and version you will have eitherQt5 Designer or Qt6 Designer available..
- Qt5
- Qt6
bash
sudo apt-get install qttools5-dev-toolsbash
sudo apt-get install designer-qt6Once installed, Qt Designer will be available in the launcher.
Qt Designer in Ubuntu launcher.
