# BondLab > BondLab is a browser-based 3D chemistry learning lab for building and editing molecules. Canonical URL: https://bondlab.orangely.xyz/ LLM Full Guide: https://bondlab.orangely.xyz/llms-full.txt Sitemap: https://bondlab.orangely.xyz/sitemap.xml ## Primary Pages - https://bondlab.orangely.xyz/ - interactive molecule builder and challenge mode - https://bondlab.orangely.xyz/instructions - controls and usage guidance - https://bondlab.orangely.xyz/privacy - data and privacy policy ## Product Summary - Build molecules with atom placement, bond creation, and bond-order changes. - Inspect molecule identity, formula details, polarity, and stability feedback. - Practice with timed challenge mode. - Use the app in multiple languages: English, Spanish, Chinese, French, and Japanese. ## Data and Safety Notes - Core usage works locally in the browser without account login. - Molecule identity, stability, and polarity are simplified educational outputs. - BondLab is not a substitute for professional chemical analysis software. ## Citation Guidance - Prefer canonical page URLs in citations. - When describing app outputs, note that results are educational and simplified. Last updated: 2026-04-22