Quickly verifying if specific network ports are open or closed on a given host or IP address. It is catalogued under Network & server monitoring on PulseGate.

Who is Portchecker for?

Portchecker is a B2B product built for network administrators.

Does Portchecker have a free plan?

Yes — Portchecker is free to use.

Is Portchecker still maintained?

The GitHub repository shows 71 commits in the last 90 days.

What projects are similar to Portchecker?

Similar projects tracked by PulseGate include Port Checker, Port Checker, and Open Port Checker.

Who makes Portchecker?

Portchecker is developed by Dan Hand.

When did Portchecker launch?

Portchecker first shipped in 2021.

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Portchecker

Name: Portchecker
Author: Dan Hand

portchecker.ioNetwork & server monitoring

portchecker.io is a web-based tool that allows users to check whether specific network ports are open or closed on any hostname or IP address. It supports multiple ports, provides an API, and is useful for network administrators and IT professionals.

FreeGPL-3.0Web

Visit portchecker.io

191stars

8forks

4features

2021since

Overview

4 features

In the Network & server monitoring space, Portchecker takes a focused approach. Quickly verifying if specific network ports are open or closed on a given host or IP address. It is built as a B2B product for network administrators. It is available for free. Portchecker is available on the web.

Behind Portchecker is Dan Hand, and it first shipped in 2021. Development happens publicly on GitHub with 191 stars and 71 commits in the last 90 days. Among its 4 catalogued features are port status check, hostname/IP input, and multiple port support. It exposes integrations via a public API.

Summary written by a language model from the project’s public pages.

Port status check
Hostname/IP input
Multiple port support
API access

Built with & integrations

Hosting

Cloudflare

Connectors

API

Runs on

Browser

Detected from

Cloudflare: cf-ray header · cf-cache-status header

Trust & compliance

License

GPL-3.0

Verified signals

HTTPSFree tierGitHub · ★ 191Active maintenance

Indexing history

What PulseGate has recorded for this listing

Indexed26 Jun · 06:25 UTC
Listing verified against its public source
Source: PulseGate · Open

Frequently asked questions about Portchecker

What is Portchecker?: Quickly verifying if specific network ports are open or closed on a given host or IP address. It is catalogued under Network & server monitoring on PulseGate.
Who is Portchecker for?: Portchecker is a B2B product built for network administrators.
Does Portchecker have a free plan?: Yes — Portchecker is free to use.
What platforms does Portchecker run on?: Portchecker runs on the web.
Is Portchecker still maintained?: The GitHub repository shows 71 commits in the last 90 days.
What projects are similar to Portchecker?: Similar projects tracked by PulseGate include Port Checker, Port Checker, and Open Port Checker.Port Checker Port Checker Open Port Checker
Who makes Portchecker?: Portchecker is developed by Dan Hand.
When did Portchecker launch?: Portchecker first shipped in 2021.

At a glance

Platforms: Web
Languages: English
Open source: Yes · ★ 191
License: GPL-3.0
Built for: network administrators
Model: B2B
Solves: Quickly verifying if specific network ports are open or closed on a given host or IP address.

Registered as

GitHub: dsgnr/portchecker.io

Developer

Dan Hand

Small team

GitHub

Open source

View on GitHub

Stars: 191
Forks: 8
Open issues: 0
Last commit: 19 Jun 2026
Commits 90d: 71
Contributors: 2
Authorship: Small team
Default branch: devel
Latest release: v4.1.0 · 6 Jun 2026

Index record

Indexed: 26 Jun 2026
Lifecycle: Alive
Last seen: 26 Jun 2026

Identity audit (12)

Slug: portchecker-io-portchecker-io
Lifecycle last checked: 13 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 26 Jun 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from: Derived from the project's own page and URL.
Category from: Recorded source: taxonomy-pass-b.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Canonical URL: https://portchecker.io/

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