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TunnelFlow
Open beta — free tier available

Expose localhost. In seconds.

TunnelFlow creates a secure HTTPS tunnel from any port on your machine to a public URL — with a live inspector, analytics, rules engine, and team collaboration built in.

$npm install -g tflow
Get started freeView pricing
terminal
$ npm install -g tflow
$ tflow login eyJhbGciOi...
$ tflow connect 3000
✓ Tunnel established
Forwarding https://a3f9b1c2.tunnelflow.dev → localhost:3000
─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─
GET / 200 (34ms)
POST /webhook 201 (12ms)
PUT /api/users/42 200 (8ms)

Features

Everything you need to ship faster

Instant Setup

One command to install, one command to tunnel. No config files, no port forwarding.

Secure by Default

All tunnels run over HTTPS with auto-renewing wildcard TLS certificates.

Custom Subdomains

Persistent custom subdomains that survive reconnects. Share stable URLs with clients.

Simple CLI

Four commands cover everything: install, login, connect, status. Works on any OS.

Pro

The developer tools your tunnel deserves

Go beyond basic tunnelling. Inspect, analyze, control, and collaborate — all from your dashboard.

Inspector

See every request in real time

A live feed of all HTTP traffic through your tunnel — method, path, status code, latency, full headers and body. Replay any request with one click.

Unlock with Pro
a3f9b1c2.tunnelflow.dev
Live
POST200/webhook/stripe12ms
GET200/api/users34ms
DELETE404/api/posts/425ms
PUT200/api/settings19ms
GET500/api/products203ms
Analytics

Understand your traffic at a glance

Hourly charts for request volume, error rate, and response times. Spot spikes, diagnose slowdowns, and track trends over 1 hour, 24 hours, or 7 days.

Unlock with Pro

Requests

2,847

Error Rate

1.2%

Avg Latency

28ms

00:0006:0012:0018:00now
Rules Engine

Control traffic without touching your code

Mock endpoints, inject headers, add Basic Auth, rate-limit by IP, or block entire paths — all from the dashboard. Rules apply instantly with no redeploy.

Unlock with Pro
Tunnel Rules+ Add Rule
mockMock /health
rate_limitRate limit /api
basic_authBasic auth (admin)
deny_ipBlock scrapers
Team Tunnels

Collaborate without sharing credentials

Invite teammates to your workspace. They can view active tunnels, inspect traffic, and share URLs — each with their own account.

Unlock with Pro

Frontend Team

3 members · 2 active tunnels

AKAlex K.owner
SLSara L.member
MJMike J.member
a1b2c3d4e5f6...Copy

How it works

Up and running in 60 seconds

01

Install the CLI

npm install -g tflow
02

Authenticate

tflow login <your-token>
03

Expose your local port

tflow connect 3000
04

Share the URL

https://xxxx.tunnelflow.dev

Pricing

Simple, transparent pricing

Start for free. Upgrade to Pro for the full developer toolkit — inspector, analytics, rules, and teams.

Free

$0 /mo

  • 1 active tunnel
  • Random subdomain
  • HTTPS tunnelling
  • Community support
Popular

Pro

$5 /mo

  • Unlimited active tunnels
  • Custom persistent subdomains
  • Live Traffic Inspector + request replay
  • Tunnel Analytics (charts & metrics)
  • Rules Engine — mock, auth, rate-limit, IP filter
  • Team Collaboration & shared dashboards
  • Priority support