Built a Privacy-Gated Browser Extension Workspace
Conceived and built Public Extensions from scratch, combining focused browser tools, shared interface packages, least-permission design, and an explicit public-export boundary.
Context
Small browser tools can become difficult to maintain when permissions, storage, shared interfaces, site-specific behavior, and public-release boundaries evolve independently. The workspace gives those concerns one tested architecture while keeping each extension focused on a narrow user problem.
What I did
- Defined the extension concepts, workspace architecture, shared interface system, privacy model, browser-testing strategy, licensing, and public-release safeguards.
- Built focused browser tools with local settings, encapsulated site-specific behavior, minimum required permissions, and confirmation for destructive actions.
- Created shared React interface and token packages with a reuse rule that keeps one-off behavior inside the extension that owns it.
- Implemented storage migration checks, deterministic fixtures, disposable-browser verification, manifest validation, and compatibility coverage.
- Designed an opt-in export pipeline that rejects unmarked packages and checks the public surface for sensitive material, licenses, assets, and provenance.
Outcomes
- Published a source-available workspace with focused browser tools and a shared, tested interface foundation.
- Made the public/private release boundary repeatable and automatically verifiable through opt-in manifests and export checks.