Network tools
Simple, free tools that measure or explain your connection. Each one tells you clearly what it measures and what it estimates.
Internet speed test
Download, upload, latency, jitter, latency under load and packet loss.
Open →Ping, jitter & bufferbloat test
A latency-focused test that shows how much delay rises when your line is busy.
Open →What is my IP?
Your public IP address, network provider and the Cloudflare data centre you connect through.
Open →Download time calculator
How long a file of any size takes to download at a given speed.
Open →How much speed do I need?
Add up what your household does at the same time to estimate the speed you need.
Open →Your test history
Results saved in this browser only. Compare tests and export them as CSV.
Open →