Multi-party screenshare with different modes and annotation

Multi-party screenshare allows multiple participants to share their screens simultaneously. You can easily switch between different shared screens and click on any shared screen to maximise it for better visibility. Cosmos supports high-quality sharing up to 4K resolution, making it perfect for collaborative work sessions, presentations, and training.

How to start screensharing

Go to bottom left of Cosmos
Click on the screen icon
Select your preferred sharing mode
Choose what to share:
- A specific window or application
- A browser tab
- Your entire screen
Click Share to begin

Your screenshare will be visible to everyone in the call immediately.

Screenshare modes

Cosmos offers three different screenshare modes to optimise for different scenarios:

Slow connection
- Best for when you or participants have limited bandwidth
Standard quality (default mode)
- Best for document viewing, provides crisp, clear text and images
Smoother video
- Optimised for video playback with higher frame rates for smooth motion

Annotate on the screenshare

Make sure that the person sharing their screen is on Cosmos desktop app, others can:

Annotate on shared screens with pen tool
Select different pen colours
Highlight important information in real-time

Share system audio while screensharing

Make sure you are screensharing from Chrome browser:

Click on start screenshare
Share the Chrome tab and enable "Also share tab audio" toggle
Everyone in the call will hear the screenshare audio