: UDT handles packaging with a single click, producing a .ccx file—the standard plugin package for UXP. Unlike CEP's .zxp format, the .ccx file does not require a digital signature, which simplifies distribution. However, you must ensure that the id in your manifest.json is a globally unique string; for marketplace publication, you should obtain this ID from the Adobe Developer Distribution portal.
Unlike older frameworks like ExtendScript or the Common Extensibility Platform (CEP), UXP offers a modern approach to plugin development. It combines a powerful modern JavaScript engine with direct API access, eliminating many of the performance bottlenecks and development frustrations of previous platforms. The platform provides two complementary sets of APIs: UXP Core APIs for user interface creation, file operations, and networking; and host-specific APIs (such as Premiere APIs) for interacting directly with the application's document model and functionality.
Navigate to the Sources tab, open your JavaScript files, and set breakpoints to pause execution and inspect variables mid-action.
Which are you targeting (Photoshop, InDesign, etc.)? Do you plan to use vanilla JS or a framework like React ?
This section lists all detected Adobe applications currently running on your system. It displays the version number and shows a status indicator confirming whether developer mode is active. You must select a connected application before you can load or debug a plugin. Developer Workspace adobe uxp developer tools
The brain of your plugin. It defines the plugin's metadata, required permissions (like network access or local file system access), the minimum host application version, and the entry points for your UI panels or background scripts.
One of the most powerful features of UDT is its hot reload capability. Changes made to plugin files are automatically refreshed in the host application, making the development cycle remarkably fast. Additionally, the debugging tools provide Chrome DevTools-style inspection, allowing developers to set breakpoints, inspect variables, and diagnose issues just as they would in web development.
The UDT dashboard is designed around developer productivity, offering several critical utilities:
To understand the developer tools, you must first understand the runtime. UXP breaks away from the heavy Chromium embedded framework used in CEP. Instead, it uses a native, lightweight rendering engine paired with a modern V8 JavaScript engine. Key Advantages of UXP : UDT handles packaging with a single click, producing a
Extensibility in Adobe Creative Cloud has entered a new era. For years, developers relied on Common Extensibility Platform (CEP) and ExtendScript to build panels and automate tasks. Today, Adobe Unified Extensibility Platform (UXP) is the modern standard, powering ecosystems in Photoshop, InDesign, and Illustrator.
Apply Filter Layer 1 Use code with caution.
To start building plugins, you need to install the tools and configure your machine for development. 1. Prerequisites
Developing with UDT streamlines the traditional code-and-test cycle into a seamless, automated process. Unlike older frameworks like ExtendScript or the Common
UDT validates your manifest.json for structure errors, ensures required assets (like plugin icons) are specified correctly, and creates a .ccx file.
The UXP Developer Tools (UDT) application acts as your command center for plugin development. It eliminates the need for complex command-line configurations, offering a visual interface to manage your plugin’s lifecycle.
Adobe UXP (Unified Extensibility Platform) is the modern, cross-application extensibility framework for Adobe Creative Cloud applications. It replaces legacy extension technologies such as CEP (Common Extensibility Platform) and Flash-based panels. UXP enables developers to build plugins, scripts, and integrations that work consistently across applications like Photoshop, Illustrator, InDesign, XD, Premiere Pro, After Effects, and others using standard web technologies (HTML5, CSS3, JavaScript/TypeScript). This report outlines the core tools, workflows, and capabilities available to developers targeting the UXP ecosystem.