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Free network tools
Measure, diagnose and plan your connection. Every tool runs in your browser, needs no account, and links to the learning material that explains the numbers it produces.
Speed & Latency
- Internet Speed TestDownload, upload and ping in under 30s.
- WiFi Speed TestMeasure wireless throughput per room.
- Mobile Speed Test4G and 5G performance on your phone.
- Broadband Speed TestCheck your plan against what you pay for.
- Starlink Speed TestSatellite speed, latency and obstruction checks.
- Ping TestRound-trip latency to nearby servers.
Diagnostics
- Packet Loss TestDetect dropped requests over time.
- Network Gear ScannerPhoto-label router ports and get a connection checklist.
- Global Latency MapPing major regions from your browser.
- DNS LookupResolve A, AAAA, MX and TXT records.
- Port CheckerSee which common ports are reachable.
- IP LookupYour public IP, ISP and location.
- Website Status CheckerIs a site up, and how fast does it answer?
Calculators
Security
Frequently Asked Questions
Get answers to common questions about internet speed testing.
Create your free SwiftNetScan account
Signing up is free and takes one click with Google.
- 44 interactive networking lessons with quizzes
- Saved speed-test history and progress tracking
- Certification badges for every lesson you pass
Go deeper with the networking course library
Interactive lessons on TCP/IP, DNS, WiFi, routing and security — each with a quiz and a certification badge. Start free, upgrade to Pro for the expert track.
Weekly networking insights
A free email for registered members, once a week: a new lesson, a practical diagnostics guide, and the metrics worth watching. Unsubscribe in one click. Past issues live in the newsletter archive.
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