promptcat: A zero-dependency prompt manager in a single HTML file
A private, offline-first prompt manager in a single, dependency-free HTML file. It stores all data locally in your browser's IndexedDB.

Key Features:

100% Local & Offline: All data is stored in your browser's IndexedDB.

Zero Dependencies: Just pure, vanilla JavaScript, HTML, and CSS.

Strong Encryption: Optional AES-GCM encryption (via Web Crypto API) for individual prompts or entire folders. Your password is never stored.

Powerful Organization: Use folders, favorites, and tags to structure your library.

Global Tag Management: Rename or delete tags across all prompts from a single interface.

Advanced Search: Instantly find prompts with keyword highlighting and a context snippet.

Data Control: Full import/export of your entire database, or just specific parts, to JSON.

Live Demo: https://sevenreasons.github.io/promptcat/
GitHub Repo: https://github.com/sevenreasons/promptcat