Share localhost instantly

Expose local ports with email-based access control. Like sharing a Google Doc.

$ tunn 8080 --allow=alice@gmail.com
https://abc123.tunn.to -> localhost:8080
Accessible by: you, alice@gmail.com
curl -fsSL https://tunn.to/install.sh | sh

macOS and Linux. No sudo required.

Built for developers

Share your local dev environment securely with anyone, anywhere.

Share with teammates

Specify who can access by email. Works like sharing a Google Doc. They log in with GitHub and they're in. No tokens, no passwords.

Demo to clients

Show work in progress without deploying to staging. Share a link, get feedback instantly. Perfect for design reviews and bug reproductions.

Test webhooks locally

Receive webhooks from Stripe, GitHub, or Twilio directly on localhost. No more deploying just to test integrations.

Pricing

Try for free. Go Pro or self-host for real use.

Monthly Yearly Save 20%
Free
$0
Free forever
  • 1 GB / month
  • Random subdomains
  • Email allow-lists
  • Unlimited tunnels
Enterprise
Custom
Contact us
  • Unlimited bandwidth
  • Custom domains
  • SSO integration
  • SLA + dedicated support

Free Software

Run your own tunn server. MIT licensed.

# Self-host on your infrastructure
tunn -mode=host -domain=tunnel.yourcompany.com
View on GitHub →