What is an Online Port Scanner Tool?

A Port Scanner Tool is a powerful network security tool that helps users to  identify open ports, closed ports, and filtered ports on a given IP address or domain name. This tool plays an important role in cybersecurity , server monitoring, and network troubleshooting tasks.

Our tool allows you to quickly scan ports likec 80  (HTTP),  443  (HTTPS), 21 (FTP), and 22 (SSH) to detect active services running on a system.

 Key Features of This Port Scanner Tool

 Domain & IP Address Scanning

Easily enter any domain name or IP address to begin scanning. The tool supports both formats, making it flexible for all users.

 Custom Ports & Common Ports List

Scan custom ports by entering them manually.

Use the common ports list for quick scanning of popular services.

This improves efficiency and ensures accurate port detection.

 Real-Time Scan Results

Get instant results with:

• Port Number
• Service Name
• Port Status (Open/Closed)
• Response Time

 Download Results (CSV)

Export your scan data in CSV format for further analysis or reporting.

 One-Click Common Port Scan

Scan all major ports like:

• HTTP (80)
• HTTPS (443)
• FTP (21)
• SSH (22)
• DNS (53)

This is ideal for quick vulnerability checks.

 How to Use the Port Scanner Tool

 Step-by-Step Guide

1. Enter a Domain or IP Address
2. Choose Port Type (Custom or Common Ports)
3. Add ports (comma or space separated)
4. Click Start Scan
5. View results in the table below

Optional: Download results for future use.

Why Use This Tool? (User Intent Focused)

This tool is designed to solve real user problems like:

•  Checking if a server port is open
•  Diagnosing network connectivity issues
•  Performing basic security audits
•  Identifying running services on a host
•  Monitoring firewall configurations

It is especially useful for:

• Developers
• System Administrators
• Cybersecurity Professionals
• Website Owners

 Common Ports Reference (Built-in Feature)

The tool includes a predefined list of commonly used ports, such as:

This helps users quickly perform standard port scans without manual input.

 Benefits of Using This Online Port Scanner

•  Improves network security awareness
•  Fast and real-time scanning
•  No installation required (web-based tool)
•  Works on mobile and desktop devices
•  Beginner-friendly and easy to use

 Final Thoughts

This free online port scanner tool is an essential utility for anyone working with networks, servers, or cybersecurity. With its user-friendly interface, accurate results, and advanced scanning features, it helps users quickly identify potential issues and improve system security.