Convert PDB Files Online

Free PDB file converter - Transform molecular data to various formats easily

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Convert your PDB (Protein Data Bank) files to various molecular formats with our user-friendly online converter. PDB files are the standard format for storing three-dimensional structural data of large biological molecules such as proteins and nucleic acids, essential for researchers, scientists, and students in biochemistry and molecular biology.

Our PDB converter allows you to transform your structural data files to multiple formats while preserving all critical molecular information. Whether you need to convert to MOL for chemical modeling, mmCIF for expanded data storage, or other formats for specific visualization software, our tool provides accurate conversion with just a few clicks.

About PDB Format

PDB (Protein Data Bank) is a file format used to store molecular structure data. Key features include:

  • Standard format for 3D structural data of biological macromolecules
  • Contains atomic coordinates, crystallographic structure factors, and NMR data
  • Widely used in structural biology research and pharmaceutical development
  • Supported by most molecular visualization programs
  • Text-based format with detailed annotation capabilities

How to convert PDB

1

Upload your PDB file using the file picker or drag & drop

2

Select your desired output format (MOL, mmCIF, SDF, etc.)

3

Wait for the automatic conversion process to complete

4

Download your converted molecular structure file

Benefits of converting PDB

Free online PDB converter that maintains structural integrity

Convert to multiple molecular formats including MOL, mmCIF, SDF, and more

Fast conversion optimized for large molecular structure files

Secure and private - all molecular data is automatically deleted after conversion

No registration or specialized software installation required