Apps

Interactive web applications for education, science, and engineering.

vP
vPeriodic
Interactive Periodic Table

vPeriodic

Interactive Periodic Table & Chemistry Toolkit

Explore all 118 elements with 3D Bohr atom models, real-time property heatmaps, isotope data, an equation balancer with product prediction, molar mass calculator, solubility table, and printable worksheet generator.

Three.js Chemistry 3D Education STEM
vS
vSEO
Free SEO Audit Tool

vSEO

Free Instant SEO Audit Tool

Paste any URL to get a comprehensive SEO analysis. Checks meta tags, headings, structured data, images, links, performance, security, and accessibility with an overall score and actionable recommendations.

Python FastAPI SEO Audit Free