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Best Nmap Online Scan Alternatives in 2026

Updated

20 platforms from port scanner software ranked against Nmap Online Scan on the same published basis.

  1. 1
    Nmap Free plan LinuxMacself-hostedWin $9,980/mo7.8
    Nmap Online Scan vs Nmap
  2. 2
    ScanSearch Free plan apiLinuxWeb $0.30/mo7.8
    Nmap Online Scan vs ScanSearch
  3. 3
    Pentest-Tools Port Scanner Free plan apiWeb $95/mo7.6
    Nmap Online Scan vs Pentest-Tools Port Scanner
  4. 4
    Naabu Free plan apiLinuxMacself-hostedWin Free7.3
    Nmap Online Scan vs Naabu
  5. 5
    RustScan Free plan AndroidLinuxMacself-hostedWin Free7.2
    Nmap Online Scan vs RustScan
  6. 6
    NetsCLI Free plan LinuxMacWin Free7.0
    Nmap Online Scan vs NetsCLI
  7. 7
    Angry IP Scanner Free plan LinuxMacWin Free6.8
    Nmap Online Scan vs Angry IP Scanner
  8. 8
    Masscan Free plan LinuxMacself-hostedWin Free6.8
    Nmap Online Scan vs Masscan
  9. 10
    Unicornscan Free plan apiLinuxMacself-hostedWeb Free6.8
    Nmap Online Scan vs Unicornscan
  10. 11
    HostedScan Security Free trial apiWeb $39/mo6.7
    Nmap Online Scan vs HostedScan Security
  11. 12
    PortScan.com Free plan apiWeb Free6.7
    Nmap Online Scan vs PortScan.com
  12. 13
    Port Scanner Software Win 6.1
    Nmap Online Scan vs Port Scanner Software
  13. 14
    Sherlock Forensics Port Scanner Free plan LinuxWin Free6.0
    Nmap Online Scan vs Sherlock Forensics Port Scanner
  14. 15
    HackerTarget TCP Port Scan apiextensionWeb $0.83/mo5.9
    Nmap Online Scan vs HackerTarget TCP Port Scan
  15. 16
    portwave WinMacLinux 5.9
    Nmap Online Scan vs portwave
  16. 17
    ZMap LinuxMac 5.8
    Nmap Online Scan vs ZMap
  17. 18
    Advanced Port Scanner Win 5.7
    Nmap Online Scan vs Advanced Port Scanner
  18. 19
    eslint-plugin-jsx-a11y 5.7
    Nmap Online Scan vs eslint-plugin-jsx-a11y
  19. 20
    Farsight Linux 5.7
    Nmap Online Scan vs Farsight
  20. 21
    PortScannerLabs Web 5.7
    Nmap Online Scan vs PortScannerLabs

Nmap Online Scan alternatives compared

#PlatformScoreFree planFromRuns on
1Nmap7.8Free plan$9,980/moLinux, Mac, self-hosted, Windows
2ScanSearch7.8Free plan$0.30/moAPI, Linux, Web
3Pentest-Tools Port Scanner7.6Free plan$95/moAPI, Web
4Naabu7.3Free planFreeAPI, Linux, Mac, self-hosted, Windows
5RustScan7.2Free planFreeAndroid, Linux, Mac, self-hosted, Windows
6NetsCLI7.0Free planFreeLinux, Mac, Windows
7Angry IP Scanner6.8Free planFreeLinux, Mac, Windows
8Masscan6.8Free planFreeLinux, Mac, self-hosted, Windows
10Unicornscan6.8Free planFreeAPI, Linux, Mac, self-hosted, Web
11HostedScan Security6.7No$39/moAPI, Web
12PortScan.com6.7Free planFreeAPI, Web
13Port Scanner Software6.1No—Windows
14Sherlock Forensics Port Scanner6.0Free planFreeLinux, Windows
15HackerTarget TCP Port Scan5.9No$0.83/moAPI, Browser, Web
16portwave5.9No—Windows, Mac, Linux
17ZMap5.8No—Linux, Mac
18Advanced Port Scanner5.7No—Windows
19eslint-plugin-jsx-a11y5.7No——
20Farsight5.7No—Linux
21PortScannerLabs5.7No—Web
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Questions about Nmap Online Scan alternatives

What is the best alternative to Nmap Online Scan?

Nmap, number 1 in port scanner software with a score of 7.8 out of 10. The others here: ScanSearch, Pentest-Tools Port Scanner, Naabu and 16 more.

What is the best free alternative to Nmap Online Scan?

Nmap is the best-ranked alternative with a free plan. 11 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.