LewisSide

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

As of June 2026, LewisSide has 2 users in the Education category.

Usersno change0%
2
2
Ratingno change0%
— reviews
Reviewsno change0%
Version
1.0.0
Manifest V3

History

6 snapshots

Tracking since Apr 16, 2026.

2.081.50.9199999999999999Apr 16, 2026Jun 9, 2026
View as table
DateUsersRatingReviewsVersion
Apr 16, 202621.0.0
Apr 26, 202621.0.0
May 13, 202611.0.0
May 22, 202621.0.0
Jun 1, 202611.0.0
Jun 9, 20261.0.0
Now21.0.0

Permissions & access

Permissions
sidePanelcontextMenusactiveTabstorage
Host access
None declared

Screenshots

LewisSide screenshot 1LewisSide screenshot 2LewisSide screenshot 3LewisSide screenshot 4LewisSide screenshot 5

About

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.

Technical

Version
1.0.0
Manifest
V3
Size
185KiB
Min Chrome
88
Languages
1
Featured
No

Metadata

ID
phnndlinmikfcjaadcfnbaddjpabbhlc
Developer ID
u1b3916bc462fde5c50297dbf3a599d0f
Developer Email
[email protected]
Created
Jan 2, 2026
Last Updated (Store)
Jan 2, 2026
Last Scraped
Jun 9, 2026
Website
Support URL

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Data sourced from the Chrome Web Store · last verified Jun 9, 2026.