Before UDT can communicate with an application like Photoshop, you must grant permission: Open . Navigate to Preferences > Plugins . Check the box for Enable Developer Mode . Restart the application. 2. Create a Plugin Workspace in UDT Launch the UXP Developer Tools application. Click the Create Plugin button.
Package your completed plugin into a .ccx file, ready for submission to the Adobe Exchange Marketplace or private enterprise distribution. How to Download and Install UXP Developer Tools for Free
Go to (Mac) or Edit > Preferences (Windows) > Plugins . Check the box for Enable Developer Mode . Restart Photoshop. Core Workflow: Creating Your First Free UXP Plugin adobe uxp developer tools free
Automatically detects installed UXP-compatible host applications on your machine.
Click on the Stock & Marketplace tab at the top of the window, then select Plugins from the sub-menu. Before UDT can communicate with an application like
Adobe Creative Cloud has undergone a massive architecture shift. The legacy ExtendScript and CEP (Common Extensibility Platform) systems are being phased out. In their place is UXP (Unified Extensibility Platform), a modern execution environment that powers the latest plugin ecosystems in Adobe Photoshop, Illustrator, and InDesign.
Fix: Check the UDT Log Console. This usually happens due to a syntax error in your manifest.json file, such as a missing comma or an unsupported permission flag. Restart the application
UXP is the modern replacement for the older Common Extensibility Platform (CEP). It uses a modern JavaScript engine and provides a more native-like performance. While CEP relied on Chromium and Node.js, UXP is more deeply integrated into the host app's UI, resulting in faster load times and less memory usage. For more technical guidance, you can explore the Official Adobe UXP Documentation code snippet for a basic UXP plugin to test your setup? Adobe UXP Developer Tool
Before installing UDT, you must have the Creative Cloud Desktop application installed on your Mac or Windows machine. This handles the background services required to bridge your developer tools with host applications like Photoshop. Step 2: Download UDT via Creative Cloud Open the application. Navigate to the Apps tab on the left sidebar.
The definitive guide to UXP API, UI components, and host app APIs.
: Automatically reloads your plugin in the host app whenever you save changes to your source code.