About

FreeChemDraw is a comprehensive, easy-to-use free online chemical structure editor, designed for researchers, students, and chemistry enthusiasts. No software installation is required—you can draw, edit, and recognize molecular structures and chemical reactions directly in your browser.

Key features include:

  • Molecule Drawing and Editing: Easily draw atoms, bonds, rings, and complete molecular structures online.

  • Structure Recognition and Conversion: Upload or paste structure images, MOL, or SMILES files for automatic recognition and editable structure generation.

  • File and Image Export: Download MOL files, copy SMILES, and export high-quality PNG/SVG structure images.

  • Chemical Reaction Editing: Supports RNX file input and reaction drawing for chemical reaction visualization.

FreeChemDraw is committed to providing a free, convenient, and feature-rich online chemical drawing solution, helping users quickly create, analyze, and convert chemical structures for research, education, and chemical information analysis.

Contact Us

Get in touch with us! We provide support related to our features and services. If you have any questions, feedback, or collaboration inquiries, feel free to contact us via phone, email, or the online form. We will respond as soon as possible.

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