PromptBox

Your AI Prompt Library - Save and fill variables in prompts easily.

PromptBox is a browser extension that lets you save, organize, and instantly use your prompts while working in ChatGPT, Claude, Gemini, DeepSeek, and other AI platforms. No more switching between notes or docs—access your prompts directly in the AI interface. Key Features: Prompt Library: Save and manage your best prompts in folders. Variable Filling: Fill custom variables [like this] before inserting. Floating Button: Quick access via draggable icon on AI pages. Instant Insert: One-click injection of prompts into input boxes. Search & Tags: Quickly find prompts by title, content, or tags. Cloud Sync: Keep your prompts across devices via Google account. Simplify your AI workflow and never lose a great prompt again!