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BROWSE / PLUGINS & PYTHON

Browse plugin documentation.

Add a command, make a panel, or build a small tool that feels at home in your browser.

Developer preview · macOS · Python SDK 1.1. Browse calls plugins “extensions” in the app. These guides cover the current Mac implementation; other platform hosts are still in development.

Getting started

Your first plugin

Create a Python extension, load it in Browse and add your first command.

Manifest and permissions

Define your plugin’s identity, capabilities and the websites it may access.

Python reference

Events and navigation

React to browser events and decide what happens before matching pages load.

Tabs, spaces and containers

Find tabs, organise them and work with separate browsing contexts.

Commands, panels and widgets

Build native tools that people can place in their browser bars.

Pages, styles and blocking

Change matching pages, exchange messages and filter unwanted resources.

Storage and networking

Save plugin data and make permission-scoped HTTP requests.

Build and share

Testing and troubleshooting

Validate your manifest, exercise callbacks and diagnose failures in Browse.

Packaging and sharing

Make an installable .browseext archive and understand Community availability.