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What is Promptr?

Promptr is a context-aware teleprompter for demos and presentations. It watches what you’re showing in Chrome (or a native app) and surfaces the right talking points at the right moment — in a smooth, always-on-top overlay that only you can see.

The three pieces

Promptr is made of three parts that work together on your Mac:

  • The macOS app — a menu bar app (no dock icon) that manages your content, mappings, licensing, and the teleprompter window. It runs a small local server on 127.0.0.1:8765 that the extension talks to.
  • The Chrome extension — watches the pages you’re on and tells the app your current context (URL and the element you’re looking at). It only runs on sites you explicitly grant access to.
  • The teleprompter overlay — a native, always-on-top window that renders your notes with smooth auto-scrolling. It’s hidden from screen sharing and recording by default.

How context becomes content

As you present, the extension reports your context to the app. Promptr matches that context against your mappings — rules that connect a URL (and optionally a specific element) to a piece of content — and pushes the matching notes to the teleprompter. When you move to a new page or element, the notes follow you automatically.

You create those mappings without writing config by hand: turn on Learning Mode, browse your demo, and click the elements you want to attach content to.

Local-first by design

During normal use, nothing leaves your Mac. Context flows from the extension to the local app only, and your content lives in files on your machine (or in a shared folder you control). The app is signed and notarized by Apple.

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