UD5 Toolkit
Emoji Version Checker – Online See Unicode Support per OS
Enter an emoji or browse to see which Unicode version introduced it and whether older OS versions might fail.
Tag: CSS & JS Browser Compatibility
3+ toolsCSS Compatibility Linter - Online Check Browser Support
Paste your CSS and see warnings for properties that have limited browser support. Links to CanIUse. Modernize safely.
Love Calculator - Online Fun Romance Compatibility Test
Enter two names and get a playful love compatibility percentage. Purely for entertainment! All calculation happens instantly in your browser.