Periodic Table Reference
Interactive periodic table with all 118 elements. Search by name/symbol/atomic number, filter by category, click any element for full details (mass, electronegativity, electron configuration, melting/boiling points, density, discovery year, isotopes). Period/group calculator, neighbor finder, compound formula validator, CSV/JSON export, history (localStorage), shareable URL. 100% client-side.
Interactive periodic table with all 118 elements. Search by name/symbol/atomic number, filter by category, click any element for full details (mass, electronegativity, electron configuration, melting/boiling points, density, discovery year, isotopes). Period/group calculator, neighbor finder, compound formula validator, CSV/JSON export, history (localStorage), shareable URL. 100% client-side. Everything runs locally in your browser — your data never leaves your device.
How to use
- Enter your input in the tool above.
- Adjust any options to your preference.
- Use the Copy or Download buttons to save the result.
- Everything happens locally — your data never leaves your browser.