A declarative toolbar SDK
Create native controls from a UTF-8 JSON manifest. Link, search and a small set of browser actions are supported.
WAYFARER · DEVELOPER HUB
Build something worth exploring.
Start with the Wayfarer toolbar SDK and understand the current beta boundaries.
Clear review and limits
Every imported manifest is validated and reviewed before installation. There are at most six controls per toolbar and up to three independent rows.
Useful browser instruments
Use the built-in Color Lab, Site Inspector, Page Camera, page source and Chromium developer tools while building websites.
A beta, with documented boundaries
Chrome Web Store extensions, arbitrary third-party executable extensions, publisher verification and an open community marketplace are not supported yet.