Extension Devtools
Learn how to use Replit’s Extension Devtools to manage metadata, file handlers, and tools while developing your extension.
Developing your Extension
In every extension Replit App, you will see a button labeled Extension Devtools in the top-right corner of the workspace.
If you do not see this button, make sure your Replit App is configured to be an Extension.
Developer Tools
The Extension Devtools pane makes it easy to edit your Extension’s metadata and manage Tools and File Handlers.
Extension Metadata
Click the Edit button in the top-right corner of your Extension preview to edit it. See docs on the manifest file.
File Handlers
Click the ”+” Icon next to File Handlers or click New File Handler. You will then be prompted to fill out the necessary information for the file handler. See Type Definition.
To preview a file handler in action, click the Open button on the right side of an existing file handler.
Tools
Click the ”+” Icon next to Tools or click New Tool. You will then be prompted to fill out the necessary information for the new tool. See Type Definition.
To preview a tool in action, click the Open button on the right side of an existing tool.