Links to Useful Web Applications

Here is the official (and growing) Vizlogix Link Collection.

Testing and Validation

• w3 mobileOK Checker
• w3 HTML Validator
• css validator
• PHP Syntax Checker
• Screenfly by QuirkTools
• How to test your website
• Regular Expression Tester
• Another Regular Expression Tester
• Page Load Time Tester

Tools and Tutorials

• Yale Web Style Guide
• HTML Tidy
• Write PHP Online
• jsFiddle
• Initializr
• Caching Tutorial
• XML Sitemap Generator
• SASS Meister
• Markdown Syntax Help
• Javascript Beautifier
• JSON Lint
• PHP Formatter
• CSS Formatter
• Misc Online Tools

Graphics

• ShiftEdit
• SumoPaint
• Microsoft CSS Gradient Tool
• Bootstrap Custom Button Creator
• Hexadecimal Color Adjuster
• Color Scheme Designer
• CSS Style Extractor
• Image to CSS Palette Generator