Guides
WiFi guides, in plain English.
Step-by-step answers to the questions people ask most about speed, lag, passwords and routers. Each guide links to the free tool that does the job.
All guides
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Speed Test
What Is a Good Internet Speed?
How many Mbps you need for streaming, gaming, calls and a busy household. Read guide -
Speed Test
What Does Mbps Mean?
Mbps vs MB/s explained, with a download-time table you can actually use. Read guide -
Speed Test
Why Is My WiFi Slow? 12 Fixes
Find the real cause of slow WiFi in 5 minutes, then fix it. Read guide -
Ping Test
Ping & Jitter Explained
What ping, jitter and packet loss mean, and what's a good ping for gaming. Read guide -
Upload Test
What Is a Good Upload Speed?
Upload speeds for Zoom, Teams, live streaming and cloud backups. Read guide -
Bufferbloat
What Is Bufferbloat? (And How to Fix It)
Why calls freeze when someone downloads, and the router setting that fixes it. Read guide -
Ping Test
How to Reduce Ping for Gaming
11 fixes for lag, from a cable and server region to router settings. Read guide -
Band & Channel
2.4 GHz vs 5 GHz vs 6 GHz
Which WiFi band to use for range, speed and gaming. Read guide -
Signal Strength
What Is a Good WiFi Signal Strength?
The dBm chart, what −67 dBm means, and how to boost a weak signal. Read guide -
Router Login
How to Change Your WiFi Password
Step by step for any router, plus brand apps and what to do after. Read guide -
WiFi QR Code
How to Find Your WiFi Password on iPhone
See saved WiFi passwords in Settings or the Passwords app, plus Mac. Read guide -
WiFi QR Code
How to Find Your WiFi Password on Android
Pixel, Samsung, Xiaomi and more, plus the QR-code trick. Read guide -
WiFi QR Code
How to Share Your WiFi Password
iPhone to iPhone, Android QR codes, Windows, and a printable code. Read guide
Free tools used in these guides
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WiFi Speed Test
Download, upload, ping and jitter with a clear verdict. -
Upload Speed Test
Check how fast you can send files, stream and video call. -
Ping & Packet Loss Test
Live latency, jitter and packet loss with a graph. -
Bufferbloat Test
See how much lag your connection adds under load, graded A+ to F. -
What Is My IP Address
Your public IP, provider, city and connection type. -
WiFi Signal Strength Checker
Turn a dBm reading into a plain verdict, with a chart. -
WiFi QR Code Generator
Guests scan and join your WiFi, no typing. -
WiFi Password Generator
Strong, random passwords made on your device. -
Best WiFi Channel Finder
2.4, 5 or 6 GHz, and the channels to pick. -
Router Login Finder
Default router addresses by brand, with login help.