Free Chemical Structure Editor

Draw and edit chemical structures online with our powerful molecular drawing tool. Create complex molecular diagrams, generate SMILES notation, and export your structures in multiple formats.

Image Recognition

Click to upload or drag and drop an image

Supports JPG, PNG, GIF or paste with Ctrl+V

Export & Download

Key Features

  • Intuitive drag-and-drop interface for drawing molecular structures
  • Support for all common chemical bonds and functional groups
  • Automatic SMILES notation generation and validation
  • Export to multiple formats: PNG, SVG, MOL, SDF
  • Template library with common chemical structures
  • Real-time molecular property calculations
  • AI-powered chemical structure recognition from images

How to Use

  1. 1 Select atoms and bonds from the toolbar
  2. 2 Click on the canvas to place atoms and draw bonds
  3. 3 Use templates for common structures
  4. 4 Export or save your structure in preferred format

Why Use Our Structure Editor?

Professional-grade chemical structure drawing capabilities

Completely free with no registration required

Fast and responsive web-based interface

Accurate molecular representation and validation

Frequently Asked Questions

What is a chemical structure editor?

A chemical structure editor is a software tool that allows chemists to draw, edit, and manipulate molecular structures. It helps visualize chemical compounds and generate various representations like SMILES notation, molecular formulas, and structural diagrams.

How do I use the structure editor?

Simply click on the drawing canvas and start creating your molecular structure. Use the toolbar to select different atoms, bonds, and functional groups. You can also import existing structures using SMILES notation or load template molecules.

What file formats can I export my structures to?

You can export your chemical structures in various formats including PNG (image), SVG (vector graphics), MOL (molecule file), SDF (structure data file), and SMILES notation. Each format serves different purposes in chemical research and documentation.

Is this structure editor free to use?

Yes, our chemical structure editor is completely free to use. There are no registration requirements or usage limitations. It's designed to support students, researchers, and professionals in their chemical structure drawing needs.

Can I edit existing chemical structures?

Absolutely! You can import existing structures using SMILES notation through the URL parameter or paste SMILES directly into the editor. This makes it easy to modify and enhance existing molecular structures.

What browsers are supported?

The structure editor works on all modern web browsers including Chrome, Firefox, Safari, and Edge. It's built with web standards to ensure cross-platform compatibility and optimal performance.