Teleprompter overlay for video calls: Zoom, Teams and more

Why the camera line matters on video calls

Eye contact is processed differently in video than in person. On a call, "eye contact" means looking into the camera — not at the other person's face on your screen. Most people look at the face, which means their gaze is directed slightly downward or to the side rather than at the lens. The other participant sees this as slightly averted eyes, which reads as distraction or lack of confidence even when nothing is wrong.

Looking at the camera requires looking away from the screen. That's the core tension. A teleprompter overlay resolves it by moving content — your script, your talking points, your key data — to a position near the camera, so where your eyes naturally go to read is also where the lens is.

This matters most for sales calls, investor meetings, executive presentations, recorded webinars, and any video content where your credibility or persuasiveness is part of the outcome. For casual team standups, it's less critical. But for any high-stakes video interaction, the difference between looking at the camera and looking at the screen is visible to every person on the call.

Research from MIT Media Lab found that perceived eye contact in video calls increases trust ratings by 15–20% compared to gaze directed at an on-screen face. For a 45-minute sales call, that sustained camera-line gaze is a meaningful communication variable — not a vanity detail.

How to set up a teleprompter overlay on Mac for Zoom or Teams

This setup works without virtual camera software, OBS, or hardware teleprompters. You need only the Teleprompter-Scrolling Scripts Mac app and your existing video call app.

Step 1. Open Teleprompter-Scrolling Scripts and load your script or talking points. Keep it conversational — bullet points work well for calls; full sentences work better for webinars where you're delivering a structured presentation.

Step 2. Size the app window to cover roughly the top third of your screen. Position it directly below the built-in webcam. If you're using an external webcam mounted above the monitor, position the window just below the camera height.

Step 3. Open your video call (Zoom, Teams, Google Meet). Zoom and most video call apps use the Mac camera directly — they'll capture your face without capturing the teleprompter window, since the app window is on screen, not in front of the lens.

Step 4. Set font size large enough to read at a glance without moving your head — 48–72pt works for most people at laptop distance. Set scroll speed to your speaking pace.

Step 5. During the call, glance at the script naturally. Because it's positioned near the camera, small eye movements to read look like normal on-camera eye contact rather than obviously checking notes.

Video call overlay vs dedicated teleprompter hardware

A video call overlay using software is a different tool from a dedicated teleprompter glass rig. Both put the script near the camera; how they do it differs.

Software overlay (what this article covers): the script is displayed on your laptop screen, positioned near the webcam. Cost: free. Setup time: under 5 minutes. Works with any built-in or external webcam. The camera gap (distance between the script text and the lens) is larger than with glass — typically 3–6 inches — so eye contact isn't perfectly lens-centered, but it's close enough for standard video call framing.

Beam-splitter glass rig (e.g., Elgato Prompter): a half-mirror mounts directly in front of the webcam and reflects a display showing the script. The talent reads the script reflected in the glass while the camera sees through the glass. Cost: $249+ (Elgato Prompter), or $300–$600 for third-party rigs. Setup time: 10–20 minutes. Provides true lens-centered eye contact because the script is optically placed at the exact camera axis.

For weekly video calls, the software setup is the practical choice. For studio-quality recorded presentations or regular high-stakes sales demos, a glass rig is worth the investment. We've used both; for 90% of video call use cases, the software approach is indistinguishable from the glass rig in the final recording.

The Elgato Prompter, launched in late 2024, brought beam-splitter teleprompter technology to the consumer desktop market at $249 — the first major consumer product in this category. Before it, the nearest alternative was a DIY rig using an acrylic half-mirror and a tablet, or professional rigs starting at $400.

Using a teleprompter with a webcam: positioning tips

The exact position of the script relative to the camera determines how natural the eye contact looks. These are the variables that matter:

Vertical distance. The closer the script is to the camera lens vertically, the better. On a MacBook, the camera is at the top edge of the screen. If your teleprompter window starts at the very top of the screen and you're reading the first line of text, the gap to the lens is roughly 1–2 inches. If the text is 5 inches below, viewers can see the gaze angle clearly.

Font size and line spacing. Larger text means your eyes can stay in a smaller area — you don't need to track left-to-right as much. Single-column, centered text with generous line spacing lets you hold your gaze near the camera while still reading. Justified or column-format text forces more horizontal eye movement.

Scroll speed vs reading chunks. Two approaches work: auto-scroll at a fixed pace, or manual advance (tap to move to the next bullet). Auto-scroll works better for scripted presentations where the pacing is fixed. Manual advance works better for calls where you're adapting to the conversation — you advance when you need a reference point, not on a timer.

Frequently Asked Questions