Share your localhostwith the world
One command to give anyone access to your local service. Built-in traffic inspector, desktop app, and abuse protection.
Get started in one command:
Free forever — no credit card, no request limits
3 protocols
HTTP, TCP, UDP
All platforms
CLI + Desktop app
Built-in security
TLS + rate limits
This is what working with fxtun actually looks like
Up and Running in Minutes
Three steps from sign-up to a live public URL.
Download the Client
Get the CLI or GUI client for your platform.
curl -fsSL https://fxtun.dev/install.sh | shAuthenticate
Create an account and generate an API token.
fxtun login --token sk_xxxxxCreate a Tunnel
Run a single command to go live.
fxtun http 3000 --domain myappReady to try? Share your first service in under a minute.
Start FreeFlexible Protocol Support
Whether you need to expose a web app, SSH server, or game server - we've got you covered.
HTTP Tunnels
Expose web applications with custom subdomains. Perfect for webhooks, demos, and development.
- Custom subdomain support
- Automatic HTTPS
- WebSocket support
Public endpoint
https://myapp.fxtun.devCommand
Not just port forwarding. A complete dev toolkit.
Share services, inspect traffic, debug issues — all from one tool.
Traffic Inspector
Real-time HTTP request/response viewer with filtering and one-click replay. Debug webhooks without leaving the browser.
- Live request & response capture
- Search and filter by method, path, status
- Replay requests instantly
Any protocol, any service
Web apps, databases, SSH, game servers — share anything over HTTP, TCP, or UDP.
- HTTP with custom subdomains
- TCP for SSH, databases, APIs
- UDP for gaming and real-time
Desktop App
The only sharing platform with a native desktop client. See live services, manage connections visually.
- Visual service management
- System tray — always running
- Auto-reconnect on disconnect
Lightning Fast
Built in Go
Secure by Default
TLS + rate limits + monitoring
Custom Domains
Your own domain
Self-Hostable
Run your own
How developers use fxtun
From webhook testing to client demos — one command away.
Webhooks
Receive Stripe, GitHub, or Twilio callbacks on localhost. No deploy needed.
fxtun http 3000 --domain stripe-hooksShare with clients
Send a link to your work-in-progress. No deployment, no staging server.
fxtun http 5173 --domain demo-v2Remote Access
Access your dev machine or Raspberry Pi from anywhere.
fxtun tcp 22Game Servers
Host and share a game server with friends in seconds.
fxtun udp 25565Team Collaboration
Share your local API with teammates. Test mobile apps against real backends.
fxtun http 8080 --domain api-devIoT & Home Lab
Share Home Assistant, cameras, or dashboards from your local network.
fxtun http 8123 --domain my-homeWhatever you build — fxtun shares it instantly.
Start FreeBuilt for Production
Advanced features that make fxtun ready for real-world use.
Custom Domains
Bring your own domain with automatic HTTPS. CNAME for subdomains, A record for apex domains — Let's Encrypt certificates provisioned automatically.
HTTP Inspector & Replay
Real-time request/response inspection with search, filtering, and one-click replay. Debug webhooks and APIs without leaving your browser.
WebSocket Support
Full bidirectional WebSocket passthrough. No configuration needed — just works.
Low Latency
Pre-opened stream pool and optimized buffers minimize connection overhead. First-request latency nearly eliminated.
Auto-Reconnect
Automatic reconnection on connection loss. Your tunnels stay online 24/7.
Compare and Choose
See how fxtun stacks up against alternatives.
| Feature | fxtun | ngrok | localhost.run |
|---|---|---|---|
| Price (starter) | Free / $5/mo | Free / $8/mo | Free / $9/mo |
| Custom subdomain on free | Any you choose | Random only | Random only |
| Request limits | Unlimited | 20k/mo on free | Unlimited |
| Session timeout | Unlimited | Unlimited | Unlimited |
| Protocols | HTTP + TCP + UDP | HTTP + TCP | HTTP only |
| Desktop GUI | Yes | No | No |
| Traffic Inspector | From $5/mo | $8/mo, 72h retention | No |
| Self-hostable | Yes | No | No |
| Custom domains | From $5/mo | $0.01/hr | $9/mo |
| Traffic monitoring & abuse protection | Built-in | No | No |
Price (starter)
Custom subdomain on free
Request limits
Session timeout
Protocols
Desktop GUI
Traffic Inspector
Self-hostable
Custom domains
Traffic monitoring & abuse protection
See the difference? Start free and upgrade when you need more.
Choose Your Plan
Start free, scale as you grow. No request limits on any plan.
Ready to Start?
Create an account and download the client to start sharing.
Quick install
curl -fsSL https://fxtun.dev/install.sh | shAfter registration, download the client and generate API tokens from your dashboard.
Frequently Asked Questions
Everything you need to know about fxtun.