#1
CMS Detector
This tool will analyze websites and attempt to detect the plaform, language, framework and other technologies used for any website.
#2
WPTD
WordPress Theme Detector.
#3
CSS3 Button Generator Online
#4
Adobe Color Picker Online Tools
#5
Online Converter (Video Convert for free under 100MB but You can covert larger size with premium registration)
#6
Generate Randon Fake Name Profile
#7
Strong Password Generator
#8
PSD to Web (html)
#9
Web Font Converter
google web fonts for free download.
#10
Spell and Crammer Check Online
#11
Random Text Generator
#12
Test Your Site Responsiveness
Test Your Site Responsiveness-2
#13
Online Tools Image Maping one
Online Tools Image Maping Two
#14
Discover who is hosting any website
#15
Scan your site
Beware of hijacked plugins, this is not often, but on occasion there are plugins that contain hijacked code, and allow execution of script from within the site(s). Update frequently and run site scans using plugins like:
https://wordpress.org/plugins/gotmls/
https://wordpress.org/plugins/tac/