The Most Versatile Online Molecule Builder
Built for students, by a student. A lightweight, high-performance tool for 2D/3D visualization, studying, and teaching.
Fast
No logins, no installs, instant 3D molecule rendering.
Intuitive
ValenceSim is built with an intuitive layout that makes exploring chemistry straightforward.
Smart
Beyond just sticks and balls—includes features like NMR simulation and acidic proton detection.
Some of the Many Features:
2D/3D Visualization
Speed
Display Formula
Electron Density Cloud
Functional Group Detection
NMR/IR Spectroscopy