LewisSide

by canheting@gmail.com · Education

Manifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

Instant Lewis structure & valence electron calculator for students. Works perfectly with Canvas and online chemistry homework.

Users

−1 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#249K

#208K among extensions

Version

1.0.0

updated 2 Jan 2026

Users

monthly, 10 months

Latest, 15 Oct 2026: 5 usersMove the mouse over the chart for any month

Ratings count

monthly, 10 months

Latest, 15 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About LewisSide

LewisSide is a lightweight sidebar assistant designed for students and educators. Get perfect molecular diagrams and valence electron counts without ever leaving your current tab! 🌟 Key Features: - Right-Click to Generate: Simply highlight a formula (e.g., CH_4, NO3-, CO2) on any website and view its structure instantly in the sidebar. - Scientifically Accurate: Powered by advanced rendering algorithms to ensure correct VSEPR geometries (Trigonal Planar, Tetrahedral, etc.). - Valence Electron Calculator: Automatically calculates total valence electrons with step-by-step breakdowns—perfect for exam prep. - Privacy First: No data collection, no accounts required. All processing happens locally on your device. - High-Quality Export: Copy to clipboard or download images to spice up your lab reports and presentations. The Professional Choice: While other tools might give you incorrect isomers, LewisSide is optimized for academic accuracy, ensuring ions like NO3- are displayed in their standard resonance forms.