Free for Windows

Draw, Highlight & Mark Up Any Screen — Live

The annotation overlay for presentations, live streams, online teaching, and bug reports — works on top of any app, instantly.

Works live over Google Meet, Zoom & Teams

Built-in whiteboard, shapes, and laser pointer

One-click screenshot capture for bug reports

Lightweight — ready to use in seconds

★★★★★

4.9/5 from 300+ clients

Free · No Credit Card Needed

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Priya M. rated us 5 stars — "Excellent service"

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500+ projects delivered across India

98% client satisfaction rate

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Simple Process

How It Works

Download & Install

Run the installer, no configuration needed.

Click Start

Presenting — A small toolbar appears; pick your pen, color, and size.

Draw Over Anything

Annotate live on Meet, Zoom, streams, or any app on your screen.

🛡️

100% Satisfaction Guarantee

We stand behind every project we deliver. If you're not completely satisfied, we'll make it right — no questions asked. That's the 91Technologies promise.

FAQ

Frequently Asked Questions

Yes, currently free for Windows.

It works over your entire screen, so it works with any app or call platform — Meet, Zoom, Teams, OBS, anything.

No — it's a lightweight overlay, not a recording/rendering layer.

No — everything stays local on your machine unless you choose to save/share a screenshot yourself.

Still deciding?

Try Annotate91 free — see how easy live screen annotation can be.

Download Annotate91 Free Call Us: +91 8928789118