Flutter Widget Previewer

Preview Flutter widgets in real-time, separate from a full app, in the Chrome browser.

Requirements

• Flutter version 3.35 or higher (for basic functionality)
• Flutter version 3.38 or higher (for IDE support)
• Chrome browser

Starting the Widget Previewer

From IDEs (Flutter 3.38+)

IDEs automatically start the Widget Previewer on launch:

Android Studio / IntelliJ: Open the "Flutter Widget Preview" tab in the sidebar