TLC diagram
Build TLC plates in MolDraw: spots, solvent front, and annotations—open the in-app plate or the guide.
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MolDraw Tools
Practical chemistry utilities for everyday lab work and learning. Featured tools below include TLC plates, the periodic table, and equation balancing; browse converters, viewers, and calculators in the directory.
Featured
Interactive periodic table
All 118 elements with atomic mass, electron configuration, and key physical properties.
Open tableChemical equation balancer
Balance reactions with clear steps—homework, labs, and quick stoichiometry checks.
Open balancerSMILES to Structure
Convert SMILES strings to 2D structures and export image files.
Open toolSMILES to 3D Structure
Render molecules in 3D and download common chemistry and model formats.
Open toolProtein Viewer
Load proteins by PDB ID or file using 3Dmol.js with style and export controls.
Open toolMOL to SMILES Converter
Convert MOL/SDF structure blocks to SMILES in a dedicated converter page.
Open toolSMILES to PDB Converter
Convert a SMILES string to downloadable PDB for protein/model pipelines.
Open toolSMILES to PDBQT Converter
Generate docking-friendly PDBQT text from SMILES for AutoDock-style workflows.
Open toolPDB to PDBQT Converter
Convert PDB structures into PDBQT format in a dedicated browser tool page.
Open toolSMILES to InChI Converter
Generate standard InChI identifiers from SMILES strings.
Open toolSMILES to InChIKey Converter
Convert SMILES to compact InChIKey format for indexing.
Open toolInChI to SMILES Converter
Convert InChI strings from literature and databases to SMILES.
Open toolInChIKey to SMILES Converter
Resolve InChIKey identifiers to canonical SMILES via API.
Open toolSMILES to MOL Converter
Convert SMILES strings into MOL files for compatibility workflows.
Open toolSMILES to SDF Converter
Generate SDF output from SMILES for datasets and screening.
Open toolPDB to SMILES Converter
Convert ligand PDB blocks to SMILES in a best-effort workflow.
Open toolIUPAC Name to SMILES Converter
Convert chemical names to SMILES for structure workflows.
Open toolSMILES to IUPAC Name Converter
Convert SMILES strings into IUPAC names for reporting.
Open toolMOL2 to SMILES Converter
Convert MOL2 ligand blocks to SMILES format.
Open toolCID to SMILES Converter
Resolve PubChem CID values to canonical SMILES identifiers.
Open toolSMILES to MOL2 Converter
Convert SMILES into MOL2 format for docking and med-chem workflows.
Open toolSDF to InChI Converter
Convert SDF or MOL blocks into standard InChI identifiers.
Open toolSDF to InChIKey Converter
Convert SDF or MOL blocks into compact InChIKey strings.
Open toolInChI to InChIKey Converter
Generate compact InChIKeys from full InChI strings.
Open toolInChIKey to InChI Converter
Resolve InChIKey values to full InChI via public chemistry endpoints.
Open toolMOL to InChI Converter
Convert MOL or SDF structure blocks to standard InChI.
Open toolMOL to InChIKey Converter
Convert MOL or SDF blocks to compact InChIKey identifiers.
Open toolSolution Prep Calculator
Calculate exact solute amount needed for target molarity and solution volume.
Open toolDilution Calculator
Use C1V1=C2V2 workflow for quick dilution planning in dedicated page format.
Open toolMolarity Calculator
Compute molarity from mass, molecular weight, and final volume.
Open toolMolality Calculator
Compute molality from solute amount and solvent mass.
Open tool