Open Port Checker

What it does

Open Port Net is a free Open Port Check Tool to check a remote TCP port state – open or close. This tool can be also used to test your router or device for port forwarding. A Free Online Port Checker to check remote ports.

Free online Open Port Check Tool | Port checker | Open port checker| Port check tool | Firewall port checker | Port forwarding tester | Open port tester

Open Port website is a free Open Port Check Tool to check a remote TCP port state – open or close. This tool can be also used to test your router or device for port forwarding . Here are free tools for the Windows operating system. Just download and use! A port is a number that represents an entry to a service that is open to the network. There are 65535 ports available to use. Some of the ports had been assigned to special service by INAN (Internet assigned numbers authority). In computer networks, an open port is a port that currently uses (open) by a service. An open port can be used to send or/and receive data over the network. There are two known types of ports. TCP ports and UDP…from openport.net

• 
  Port Checker2014 · portchecker.co · ▲87

  simple tool to check open ports on your computer

• 
  Open Port Checker2014 · portchecker.co · ▲19

  Port Checker is a simple tool to check for open ports and test port forwarding setup on your router. Verify and diagnose connection errors on your computer.

• 
  Port Checker App2025 · portchecker.app · ▲6

  Check open ports for free

• 
  Port Checker Online2022 · portcheckers.com · ▲1

  Port checker online

• 
  Port Checker Tool2025 · datafeature.com · ▲9

  Verify Open Ports on Any IP Address

• 
  Port CheckerDec 2025 · port-checker.net

  Check port status online

• 
  SimCity, but with Permits▲913

  A free city-building game in your browser. You are the mayor. You know what the city needs. Now get it past the zoning board, the neighbors, the appeals court and the next election.

  Life & fun · 2d ago · permit.petercai.com

• IV
  I've been paying for a rural Tanzanian's education for 10 years▲778

  Life & fun · 14d ago · tanzaniaeducationproject.org

• 
  Bigwords.page – Turn any screen into a sign. The URL is the app▲728

  Turn a phone, tablet or TV into a sign. Type a message and it fills the screen: welcome signs, timers, Wi-Fi passwords and more. No app, no account, free.

  Life & fun · 15d ago · bigwords.page

• 
  Guitoro, a virtual guitar you strum with your keyboard▲573

  Play a free virtual guitar online with your keyboard or by touch. Slow songs down and see every chord, string and strum. Acoustic, classic, electric and bass.

  Life & fun · 9d ago · guitoro.com

• 
  See *almost* any carriers phone settings▲432

  Carrier settings from iPhone, Pixel and Galaxy firmware, decoded and compared: APNs, VoLTE, 5G and Wi-Fi Calling per carrier, and what each build changed.

  Life & fun · 13d ago · carrierexplode.com

• 
  The whole Solar System and every tracked satellite, live in the browser▲407

  Life & fun · 23d ago · space.bl2.net

• 
  Supabase▲2,325

  The Postgres developer platform is now generally available

  Dev tools · 2024 · supabase.com

• 
  Cal.com Platform▲1,601

  Build your pixel-perfect booking experience with Atoms

  Dev tools · 2024 · cal.com

• 
  PaddleBoat▲1,162

  Perfect your sales pitch with realistic AI roleplays

  AI · 2024 · padboat.com

• 
  deco.cx 2.0▲1,078

  Build web apps 10x faster with Deno, JSX, TS & Tailwind

  Dev tools · 2024 · decocms.com

• 
  IXORD AI▲955

  Navigate tasks, ignite creativity

  AI · 2024

• 
  Assista AI▲949

  A central nervous system for all your productivity apps

  AI · 2024 · getassista.com