A collection of simple web tools
I put this collection of tools together mainly to sharpen my HTML, CSS, JavaScript and PHP skills. Let me know if you find them useful or if you have any suggestions.
Browser info
Get information about your browser
Calculator
A simple calculator for simple formulas
Colour converter
Convert colours into hex, RGB and CMYK
DNS lookup
Get DNS records for a hostname
HTTP header checker
Check HTTP headers for any URL
Image converter
Convert images into other formats
IP address finder
Find your public IP address
MX lookup
Get MX records for a hostname
Password generator
Generate a strong password
Percentage calculator
Work out percentage-based sums
Uptime Monitor
Get updates when your sites go down
UTM URL builder
Build tracked links for Google Analytics