Side by side
Nmap Online Scan vs PortScannerLabs
Both stand on port scanner software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Web
Choose Nmap Online Scan if you want web-based Nmap scans with configurable modes and export options. Consider another service if you need private IP scanning or guaranteed accuracy, reliability, completeness, or uptime.
Visit Nmap Online Scan Free plan Web
Choose PortScannerLabs for a quick, free check of common ports on an IP address or domain, with risk guidance and no account requirement. Look elsewhere if you need anonymous full-range scanning of arbitrary targets; this service restricts it.
Visit PortScannerLabsThe facts
| Nmap Online Scan | PortScannerLabs | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Web | Web |
| Lowest paid plan | 10 Scan Credits: $1.99, paid once | Free or on request |
| Plans published | 1 | 1 |
| Maker | Not published | Not published |
| Website | nmap.online | portscannerlabs.com |
| On port scanner software | #14 of 26 | #18 of 26 |
Nmap Online Scan: what it does well
- Offers four scan modes, including Custom.
- Supports port range and timing settings.
- Service-version and OS detection are available.
- Results can be exported as JSON or CSV.
- Scan credits never expire.
What to know first
- Free accounts are limited to three scans per day.
- Free scans time out after two minutes and show two ports.
- Free results are public through shareable URLs.
- Private IP ranges are blocked.
PortScannerLabs: what it does well
- Free web scanner with no signup or installation.
- Default scan covers 12 common TCP ports.
- Open ports receive service and version detection.
- Risky findings link to guides on the service and closing it.
- A blank target scans the user's public IP.
What to know first
- Default scans cover common ports rather than a full range.
- Full-range scanning of arbitrary targets is restricted for anonymous users.
- Scans with version detection can take up to 15 seconds.
Alternatives to Nmap Online Scan Alternatives to PortScannerLabs The whole list