Launch the UXP Developer Tool and ensure Developer Mode is toggled on. This typically requires administrative privileges to modify internal application databases.
Click to populate the plugin inside Photoshop or Illustrator. Go back to the dropdown and click Watch .
Do you need a for a specific type of plugin?
: Includes an environment to experiment with and test Adobe APIs quickly without building a full plugin.
By clicking the button next to your listed plugin in UDT, you launch a dedicated DevTools window that allows you to:
Debug dynamic scripts, handle asynchronous file system access via the uxp module, or interact with Photoshop’s batchPlay API. By navigating to the tab, you can set breakpoints inside your JavaScript files, pause code execution mid-action, and step through complex batch processes layer by layer. Best Practices for UXP Plugin Developers
The latest versions of UDT are packed with capabilities designed to maximize developer velocity. Here are the standout features you should be leveraging right now: 1. Instant Live Reloading (Watch Mode)
: Developers new to UXP can experiment with Adobe’s APIs and instantly observe the results, dramatically flattening the learning curve. Setting Up Your Environment for Hot Reload
The UXP Developer Tool immediately detects the save event, recompiles the asset in memory, and pushes the update directly to the live plugin panel inside the host application. This entire cycle takes fractions of a second. Advanced Tips for Seamless Hot Syncing
Load your project folder into the Developer Tool. Utilizing the "Watch" Feature for Hot Loading
If you are developing for Photoshop or other UXP-supported apps, the Adobe UXP Developer Tool is not just "hot," it is mandatory. It significantly streamlines the workflow for creating, debugging, and managing modern plugins. If you want, I can help you:
The "hot" factor is also visible in the ecosystem. We are seeing the emergence of third-party toolkits, such as the by Bubblydoo, which addresses gaps in Adobe’s own API documentation and provides TypeScript support and unit testing frameworks. The Creative Cloud Developer Forums are buzzing with activity regarding Premiere Pro migration and InDesign scripting, showing a vibrant community tackling real-world problems together.
Download the latest version of the UXP Developer Tool from the Adobe Developer website.
uxp plugin watch ./my-plugin --app photoshop
Use the UDT with modern frameworks to leverage component-based "Hot Module Replacement" (HMR).
Modern creative workflows often require plugins to cross boundaries. UDT makes multi-app testing seamless. From a single dashboard, you can connect your plugin to Photoshop, InDesign, and Illustrator simultaneously if your manifest supports them.
The Adobe UXP Developer Tool (UDT) is an essential desktop application that revolutionizes how developers build, debug, and package plugins for Adobe Creative Cloud applications like Photoshop and InDesign. By replacing the older Common Extensibility Platform (CEP), the Unified Extensibility Platform (UXP) brings modern JavaScript execution, native performance, and standard web APIs directly into the Creative Cloud ecosystem.
The has become a "hot" topic for Adobe developers because it modernizes the way plugins are built for host applications like Photoshop , InDesign , and Premiere Pro . By replacing legacy CEP (Common Extensibility Platform) extensions with a JavaScript-based platform, UDT streamlines the entire development lifecycle. The "Hot" Feature: Automated Watch & Reload
Once is enabled, UDT continuously monitors your project directory for file modifications. Step 3: Edit and Instant Sync
UXP uses a specialized layout engine that renders HTML/CSS concepts natively. Use the Elements picker to inspect your spectrum-web-components (Adobe’s native UI kit elements like or ). You can live-edit CSS properties in the DevTools sidebar to see UI layout adjustments instantly before committing them to your source code. The Console and Breakpoints