HackerTarget
Online vulnerability scanners and network tools for security testing
About HackerTarget
HackerTarget provides 28+ online vulnerability scanners and network tools for security professionals. It offers port scanning with Nmap, vulnerability assessment with OpenVAS, web application testing, and IP/DNS tools -- all accessible from a browser without software installation.
Pros & Cons
Pros
- Free access to core tools with no sign-up required
- Wide range of 28+ vulnerability scanners covering the full security assessment cycle
- Browser-based -- no software installation or configuration needed
- API access for automation and integration into security workflows
- Trusted by systems administrators, network engineers, and security analysts daily
Cons
- Free tier limited to 50 API calls per day and 500-line results
- 12-month membership terms with no monthly option
- Advanced features require paid membership
- No dedicated mobile app
Key Features
Nmap Port Scanner
Online port scanning with Nmap to scan all ports and complete net blocks
OpenVAS Vulnerability Scanner
Powerful open-source scanner performing thousands of checks against known security vulnerabilities
Web Application Testing
WhatWeb and Wappalyzer-based reconnaissance from HTTP headers and source HTML
IP & DNS Tools
Traceroute, Ping, GeoIP, HTTP Headers, DNS lookups, Whois, and more
API Access
Programmatic access to all scanning tools with tiered API quotas
No Installation Required
All tools run in-browser with no sign-up needed for basic scans
Zmap Fast Scanner
Very fast port scanner for rapid network reconnaissance
Pricing
- 18 tools available
- 50 API calls/day
- Results capped at 500 lines
- No sign-up required
- All 28+ scanners
- Higher API quotas
- Unlimited results
- 12-month access
- All Starter features
- Larger scan quotas
- Priority scanning
- 12-month access
- All Pro features
- Bulk API credits
- Professional security assessments
- Custom solutions
Best For
External Vulnerability Assessment
Security teams scanning internet-facing assets for known vulnerabilities
Network Reconnaissance
IT administrators mapping network topology and open ports across infrastructure
Web Application Security
Developers and security analysts testing web applications for technology fingerprinting and vulnerabilities
DNS & IP Investigation
Network engineers performing DNS lookups, traceroutes, and IP geolocation analysis
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