Plasmo provides a developer framework that automates the creation, testing, and deployment of browser extensions using React, Svelte, and Vue, while preventing style leakage through shadow DOM implementation. This solution eliminates the repetitive tasks associated with extension development, enabling faster iteration and deployment without the need for a review process.
Funding
Funding not disclosed
Founders
Product
Problem
Developing cross-browser extensions is complex, requiring developers to handle browser-specific APIs, manage deployment pipelines, and prevent style conflicts, leading to duplicated effort and slower iteration cycles. Traditional extension development often lacks modern tooling and framework support, increasing development time and maintenance overhead.
Solution
Plasmo is a framework that streamlines browser extension development by automating build processes, cross-browser compatibility, and deployment. It offers first-class support for React, Svelte, and Vue, allowing developers to use familiar component-based architectures. Plasmo prevents CSS conflicts through shadow DOM implementation and provides live-reloading and React HMR for rapid iteration. The framework also simplifies deployment to testers and production with features like GitHub integration and one-click web store publishing.
Target Audience
Plasmo targets developers and teams building browser extensions, particularly those using modern web frameworks like React, Svelte, or Vue, and those seeking to streamline their development and deployment workflows.
Features
- Support for React, Svelte, and Vue frameworks
- Shadow DOM implementation to prevent style leakage
- Live-reloading and React HMR for fast iteration
- Target-specific entries for browser-specific logic (e.g., popup.firefox.tsx)
- Built-in .env support and dead-code elimination for environment variables
- Plasmo Itero for deploying to testers without review process
- GitHub integration for automated beta deployments
- Production web store deployment with simple interface
- MV2 to MV3 conversion tools