Prompt Builder is a modular prompt engineering platform where you construct AI prompts from drag-and-drop blocks instead of raw text. Stack, reorder, show/hide, and tag individual sections to build complex instructions with precision. Features include dynamic variables for reusable templates, real-time live preview, multi-model execution, voice input with translation, and an editable AI response pane.Organize everything with folders and smart search. Share securely with password-protected links.