Convert chemical file formats — SMILES, molfile, InChI, CIF, PDB — openbabel.cheminfo.org

Convert chemical file formats — SMILES, molfile, InChI, CIF, PDBPaste, draw or drop a structure and convert it between any pair of formats OpenBabel supports, with hydrogens, pH and 2D or 3D coordinates.Convert a structure between any pair of the formats OpenBabel reads and writes. The converter itself needs JavaScript; the conversion API does not.

Converter — paste a structure and take away another format

About — what it is built on, and how to cite it

API documentation

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