Ketcher
Chemical structure editor: draw molecules and reactions, check valences, generate SMILES/InChI, and edit macromolecules (peptides, RNA/DNA, CHEM) — with the Indigo cheminformatics engine compiled to WebAssembly so every calculation runs locally.
About
Chemical structure editor: draw molecules and reactions, check valences, generate SMILES/InChI, and edit macromolecules (peptides, RNA/DNA, CHEM) — with the Indigo cheminformatics engine compiled to WebAssembly so every calculation runs locally.

