ngrok creates a secure tunnel from a public URL to your localhost. Traffic flows through ngrok servers to your machine.

Can I use ngrok for webhook testing?

Yes. The request inspector shows incoming webhooks with headers and body. You can replay any request for testing.

Yes. All tunnels use TLS encryption. Paid plans add IP restrictions, OAuth, and webhook verification for additional security.

Does ngrok support custom domains?

Yes. Paid plans let you use your own domain instead of the randomly generated ngrok URL.

Can I run multiple tunnels?

Free plan supports 1 tunnel. Pro plans support multiple simultaneous tunnels on one machine.

Does ngrok work behind firewalls?

Yes. ngrok uses outbound connections so it works behind corporate firewalls and NATs without configuration.

What languages does ngrok support?

ngrok is language-agnostic. It tunnels HTTP/HTTPS traffic regardless of your backend language or framework.

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Secure tunnels to localhost for testing webhooks, demos, and development environments.

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Developer Tools

ngrok. Expose Your Localhost to the World in One Command

ngrok creates secure tunnels from the internet to your local development machine. Run ngrok http 3000 and get a public URL that forwards to your localhost, essential for testing webhooks, sharing work-in-progress, and developing with external services that need a callback URL.

Every Developer Needs This

Stripe webhooks need a public URL. OAuth callbacks need a redirect URL. Mobile apps need an API endpoint. Sharing a prototype with your team needs a link. Without ngrok, you either deploy to staging for every test or configure complex port forwarding. With ngrok, one command solves all of these.

Beyond Simple Tunneling

ngrok is not just a tunnel. It is a programmable ingress platform. Request inspection lets you replay webhooks during development. IP restrictions control who can access your tunnel. OAuth integration adds authentication to any tunnel. Traffic policies let you route, transform, and rate-limit requests at the edge.

ngrok for Webhooks

The webhook debugging workflow is where ngrok shines. Start a tunnel, paste the URL into Stripe/GitHub/Twilio, and watch incoming webhooks in the ngrok dashboard. See headers, body, and response. Replay any webhook to test error handling. No more console.log debugging.

ngrok vs Cloudflare Tunnel

Cloudflare Tunnel is free and designed for exposing production services. ngrok is designed for development with better webhook inspection, replay, and debugging. Use Cloudflare Tunnel for production. Use ngrok for development.

ngrok vs localtunnel

localtunnel is a free, simpler alternative. ngrok is more reliable, faster, and offers critical features like request inspection, custom domains, and authentication that localtunnel lacks.

Getting Started

Download ngrok through SaaSOffers
Run ngrok http 3000 (or your port)
Get a public URL instantly
Inspect incoming requests in the dashboard

Pricing

Free plan includes 1 agent, 1 domain, and basic features. Personal at $8/month adds custom domains and IP restrictions. Pro at $20/month adds multiple tunnels and team features.

ngrok Alternatives

Looking for ngrok alternatives? While ngrok is a strong choice for developer tools, it is not always the right fit for every team. Compare ngrok against the top alternatives in our category. Each with verified startup deals and credits. See all ngrok alternatives →

Many startups end up using a combination of tools, and there are no restrictions on claiming multiple deals through SaaSOffers. Whether you need a cheaper option, different features, or a better startup deal, there is an alternative worth considering.