Small helpers for everyday internet things
Time zones, calendars and countdowns.
Facts about any IP address.
Save a snapshot of any web page.
Exact time anywhere.
Throwaway e-mail address.
Test a site's HTTPS setup.
Notes that destroy themselves after reading.
How fast a web page is, and how to fix it.
Diagrams from text.
Check DNS records around the world.
Hundreds of calculators.
What a website is built with.
What your browser tells websites about you.
Make QR codes for links, Wi-Fi and more.
See old versions of any web page.
One-click internet speed test.
Is it down for everyone or just me?
Detailed internet speed test.