Step 1: Add Browser Extension
Desktop app only works in pair with extension.
Chrome Web Store
Chrome, Edge, Brave, Vivaldi, Atlas, Comet, Yandex, Opera, Arc, Chromium
Firefox Add-ons
Firefox / Firefox ESR
Edge Add-ons
Edge Stable / Beta versions
Step 2: Download Desktop App
Free & open source desktop app for native FFmpeg processing, custom folders, long downloads, previews, and higher same-site concurrency.
macOS
Windows
Linux
Ubuntu 18.04+, Debian 10+, RHEL 7+
No threats detected VirusTotal ScanUbuntu 20.04+, Debian 11+, RHEL 8+
No threats detected VirusTotal ScanStep 3: Installation Instructions
Run CoApp once so MAX can detect it and show CoApp: Connected.
macOS
- Double-click the downloaded
.dmgfile. - In the window that opens, drag mvdcoapp.app into the Applications shortcut.
- Open Terminal (Finder -> Applications -> Utilities -> Terminal, OR open Spotlight, type "Terminal", press Enter).
- Run this command to bypass Gatekeeper:
What this command do?
xattr -dr com.apple.quarantine "/Applications/mvdcoapp.app" && open "/Applications/mvdcoapp.app"
When you download apps from the web, Apple adds quarantine attribute to disallow running them. The code above simply removes coapp from quarantine and runs it.
The source code is published on GitHub - in case you want to inspect it.
Windows
- Double-click the downloaded
.exeinstaller. - If SmartScreen appears: click More info -> Run anyway.
- Follow the setup wizard -> Install -> Finish.
Linux
- Autoinstall (recommended):
Run this command in terminal:curl -sSLf https://github.com/Suwot/mvd-coapp/releases/latest/download/install.sh | bash - Manual installation: Download tar.gz, extract anywhere (per-user only), and run
./mvdcoapp --installonce to register with installed browsers.
Security First
Your safety is priority. Every CoApp binary is verified and transparent.
Verified by VirusTotal
Every CoApp binary is scanned by 60+ antivirus engines and verified - no threats detected. View scan results above.
100% Open Source
CoApp source code is publicly available on GitHub. Inspect every line, build it yourself, or contribute improvements.
No Telemetry, Ads or Tracking
Zero data collection. CoApp runs entirely on your machine. No registration, no analytics, no hidden network calls.
Need Help?
Check the troubleshooting guides and support options.
Installation Issues
Extension not working? App not connecting? View troubleshooting guide
Frequently Asked Questions
Common questions about features and compatibility. Browse FAQ
Direct Support
Still need help? Get personal assistance. Contact support