Free internet tools

Everything you need to measure, understand and diagnose your connection. No sign-up, no apps, right in your browser.

Measure your connection

Speed test Measure download, upload, ping and jitter against Cloudflare. Ping test Measure your real latency and jitter, key for gaming. Slow internet Diagnose why it's slow and how to fix it.

Calculators

Mbps to MB/s converter Convert megabits to megabytes and understand the difference. Download time How long a file takes to download at your speed. How many Mbps do I need? Recommended bandwidth based on your activities.

Network tools

My IP Your public IP, provider, location and more. IP Lookup Which network and ASN an IP address belongs to. WHOIS Registrar, dates and DNS of any domain. DNS Lookup Look up the DNS records of a domain.

Data and rankings

Internet status Speed and quality by country with Cloudflare Radar data. ISP rankings The fastest providers by country. Most visited sites The most popular domains by country and category. Speed by use What speed you need for gaming, 4K, remote work…