HTTP · TCP · UDP

Your localhost,livein seconds

One command to expose any local service to the internet. HTTP, TCP, UDP, traffic inspector, custom domains. Open source, from $2.50 a month.

Get started in one command:

$fxtun http 3000

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Open source on GitHub

Open source · Trusted by developers worldwide

3 protocols

HTTP, TCP, UDP

All platforms

CLI + Desktop app

End-to-end

TLS encryption

fxTunnel

$fxtunnel http 3000 --domain myapp

Connecting...

Tunnel established!

https://myapp.fxtun.dev → localhost:3000

GET /api/health 200 12ms

POST /api/webhooks/payment 200 45ms

GET /dashboard 200 8ms

This is what working with fxTunnel actually looks like

Quick Start

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 | sh

Authenticate

Create an account and generate an API token.

fxtun login --token sk_xxxxx

Create a Tunnel

Run a single command to go live.

fxtun http 3000 --domain myapp

https://myapp.fxtun.dev→ localhost:3000

Ready to try? Set up your first tunnel in under a minute.

Start Free

Multi-Protocol

Flexible Protocol Support

No special mode for RDP, cameras or WebDAV: they are ordinary TCP and HTTP services, and they work out of the box.

HTTP Tunnels

Web apps, dashboards, WebDAV, admin panels - anything speaking HTTP gets an HTTPS address on your own subdomain.

Custom subdomain support
Automatic HTTPS
WebSocket support

Web appsAPIs and webhooksDashboardsWebDAV

Public endpoint

https://myapp.fxtun.dev

Command

$fxtunnel http 3000 --domain myapp

LocalPublic

localhost:3000myapp.fxtun.dev

Why fxTunnel

Everything you need to go live

Not just tunnels. A complete toolkit for exposing, debugging, and managing local services.

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

HTTP, TCP & UDP

Three protocols in one service. Web apps, SSH, databases, game servers, DNS - expose anything.

HTTP with custom subdomains
TCP for SSH, databases, APIs
UDP for gaming and real-time

Desktop App

The only tunneling service with a native desktop client. Manage tunnels visually, no terminal needed.

Visual tunnel management
System tray - always running
Auto-reconnect on disconnect

Lightning Fast

Built in Go

Secure

TLS + 2FA

Custom Domains

Your own domain

Open Source

Audit, fork, contribute

Use Cases

Built for Developers

From local development to production debugging - one tool for every scenario.

Webhooks

Receive Stripe, GitHub, or Twilio webhooks on localhost. No more deploying to test payment flows.

$ fxtunnel http 3000 --domain payment-hooks

Client Demos

Share work in progress with clients or teammates - just send a link. No deployment needed.

$ fxtunnel http 5173 --domain demo-v2

Remote SSH

Access your home server or Raspberry Pi from anywhere through a TCP tunnel.

$ fxtunnel tcp 22

Game Servers

Host a Minecraft, Terraria, or any game server and share it with friends via UDP or TCP.

$ fxtunnel udp 25565

API Development

Test mobile apps against your local backend. Share API endpoints with your team instantly.

$ fxtunnel http 8080 --domain api-dev

IoT & Smart Home

Expose Home Assistant, camera feeds, or IoT dashboards securely from your local network.

$ fxtunnel http 8123 --domain my-home

Whatever you build - fxTunnel gets it online instantly.

Start Free

Advanced Capabilities

Built for Production

Advanced features that make fxTunnel 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.

Custom Domain Setup

Your domain

Configure DNS

Type

Name

Value

CNAME

...

tunnel.fxtun.dev

Verifying DNS...

Issue SSL certificate

HTTP Inspector & Replay

Real-time request/response inspection with search, filtering, and one-click replay. Debug webhooks and APIs without leaving your browser.

Live

my-app.fxtun.dev

0 requests

Select a request to inspect

WebSocket Support

Full bidirectional WebSocket passthrough. No configuration needed - just works.

Low Latency

yamux stream multiplexing keeps a single TCP connection alive and reuses it for every request - no TCP/TLS handshake per request.

Auto-Reconnect

Automatic reconnection on connection loss. Your tunnels stay online 24/7.

Why fxTunnel

Compare and Choose

See how fxTunnel stacks up against alternatives.

Feature	fxtun	ngrok	localhost.run
Price (starter)	Free / from $2.50/mo	Free / $8/mo	Free / $9/mo
Auto-reconnect	Yes, stable URL	Partial	No
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 $2.50/mo	$8/mo, 72h retention	No
Open source	Yes	No	No
Custom domains	From $2.50/mo	$0.01/hr	$9/mo

Detailed comparison: ngrok → Cloudflare Tunnel → tuna.am → xTunnel →

Price (starter)

fxtun

Free / from $2.50/mo

ngrok

Free / $8/mo

lhr

Free / $9/mo

Auto-reconnect

fxtun

Yes, stable URL

ngrok

Partial

lhr

Custom subdomain on free

fxtun

Any you choose

ngrok

Random only

lhr

Random only

Request limits

fxtun

Unlimited

ngrok

20k/mo on free

lhr

Unlimited

Session timeout

fxtun

Unlimited

ngrok

Unlimited

lhr

Unlimited

Protocols

fxtun

HTTP + TCP + UDP

ngrok

HTTP + TCP

lhr

HTTP only

Desktop GUI

fxtun

Yes

ngrok

lhr

Traffic Inspector

fxtun

From $2.50/mo

ngrok

$8/mo, 72h retention

lhr

Open source

fxtun

Yes

ngrok

lhr

Custom domains

fxtun

From $2.50/mo

ngrok

$0.01/hr

lhr

$9/mo

Detailed comparison: ngrok → Cloudflare Tunnel → tuna.am → xTunnel →

See the difference? Start free and upgrade when you need more.

Start Free See Pricing

Pricing

Choose Your Plan

Start free, scale as you grow. No request limits on any plan.

Business

$7.50/mo

50 active tunnels
Any subdomain
50 reserved subdomains
50 custom domains
50 access keys
HTTP Inspector - unlimited
UDP tunnels included

Popular

Pro

$5/mo

15 active tunnels
Any subdomain
15 reserved subdomains
5 custom domains
10 access keys
HTTP Inspector - unlimited
UDP tunnels included

Base

$2.50/mo

5 active tunnels
Any subdomain
5 reserved subdomains
1 custom domain
5 access keys
HTTP Inspector - unlimited
UDP tunnels included

Free

1 active tunnel
Any subdomain
0 reserved subdomains
0 custom domains
1 access key
HTTP Inspector
UDP requires a paid plan

All plans include

No request or bandwidth limits

No session timeout

HTTP & TCP tunnels (UDP on paid plans)

Desktop app & CLI

Custom subdomains for free

TLS encryption

Ready to start?

Ready to Start?

Create an account and download the client to begin tunneling.

Quick install

curl -fsSL https://fxtun.dev/install.sh | sh

Or download manually

Create Account Sign In

After registration, download the client and generate API tokens from your dashboard.

FAQ

Frequently Asked Questions

Everything you need to know about fxTunnel.

Updated: September 2026