Spark is a local-first browser extension that allows you to save, organize, and instantly inject your custom prompts into supported AI web interfaces like ChatGPT, Claude, Gemini, and DeepSeek.
Everything runs entirely on your local machine. Your templates and workflows belong to you — no cloud servers, no data collection, and no tracking.
Features
- Local-First: All prompt templates, folders, and tags are saved securely in your browser's local database.
- Quick Add: Highlight text on any webpage and use the right-click context menu to instantly save snippets.
- Seamless Injection: Automatically paste your selected templates directly into the text fields of popular AI platforms.
- Data Portability: Easily import or export your entire prompt database as a manual backup.