Secure tunnels to localhost

Cotunnel is a service you can connect to your device's terminal and local webservers from everywhere. You don't need static IP, DDNS, or another service anymore.

Available on Raspberry Pi, Mac, Windows & Linux

Cross-platform support

Cotunnel is compatible with Raspberry Pi, Mac, Windows, and Linux devices. Installing cotunnel on a Linux device is simplified with an installation script. Running a single-line bash command sets up cotunnel in approximately 30 seconds, configuring it as a service without the need for additional settings. For other operating systems, cotunnel provides an executable file.

Web terminal

With cotunnel, there's no longer a need for an SSH client. You can access your device's console directly from anywhere using the cotunnel dashboard.

Web tunnel

Cotunnel generates public URLs to expose your local web server. In your cotunnel dashboard, you can specify the local port to which the cotunnel client should connect. These tunnel URLs also support secure HTTPS connections.

Forever free for one device
  • 1 Terminal process
  • Random device sub-domain
  • Unlimited tunnel connection
Level 2
For per device
If you are an IoT company or developer and you have more devices for control.
If you are a developer and testing your API or webhooks.
  • 5 Terminal process
  • Custom device sub-domain
  • Unlimited tunnel connection
  • Working group support