Nmap Online Scanner

Professional network port scanning with Nmap. Discover open ports, services, and versions on any target.

Free Tool No Installation Required

Scan Configuration

Target (IP Address or Domain) Enter an IP address or domain name to scan

Scan Type

Custom Ports (Optional) Specific ports or ranges (e.g., 80,443,22 or 1-1000)

Scan Types

Quick Scan

Fast scan of the top 100 most common ports

TCP Connect

Complete TCP connection to each port

SYN Stealth

Half-open scan, more stealthy

UDP Scan

Scan UDP ports (slower)

Version Detection

Detect service versions

Legal Notice

Only scan systems you own or have explicit permission to test. Unauthorized scanning may violate laws.

Scan Results

Host Information

Open Ports

Port	State	Service	Version

Raw Nmap Output

What is Nmap?

Nmap (Network Mapper) is a free and open-source utility for network discovery and security auditing. It is used to discover hosts and services on a computer network by sending packets and analyzing responses.

Our online Nmap scanner allows you to perform professional port scanning directly from your browser without installing any software.