Easily convert GenBank files (.gb/.gbff) to GFF3 format. Free online tool for genome annotation, no install needed. Supports CDS, gene, and RNA features.

Convert GenBank (.gb/.gbk) files to GTF format easily and accurately. Free, no install, supports gene/CDS annotations. Ideal for RNA‑seq & genome pipelines.

Convert PDB files to XYZ format in one click. Extract atomic coordinates for simulations, modeling, or visualization—no registration required.

Convert Crystallographic Information Files (CIF) to XYZ format online in seconds. Extract atomic coordinates for modeling, visualization, and simulation—no installation or sign-up required.

Convert Alphafold CIF files to standard PDB format in seconds. Our online CIF→PDB converter preserves atom nomenclature, chain IDs, and model quality scores for seamless downstream analysis.

Convert your Protein Data Bank (PDB) files into accurate SMILES notation in seconds. Free, web-based, and no sign-up required—perfect for chemists and bioinformaticians.

Convert your Protein Data Bank (PDB) files into standard SDF format instantly and for free. Perfect for cheminformatics workflows—no sign-up!

Powered by the industry-standard Open Babel for fast and accurate results. Our Chemical Molecule File Format Converter makes it effortless to switch between the most commonly used chemical structure ...

Easily convert your Protein Data Bank (PDB) files to SMILES, SDF, MOL2, FASTA, and more. Fast, secure, web-based PDB file converter—no signup or installation required.

Convert between PDB, SDF, MOL2, SMILES, and 100+ other formats. Streamline your crystallography and bioinformatics workflows with our all-in-one online CIF file converter. Whether you need 3D PDB ...

Harness the power of OpenBabel directly in your browser—no installation or registration required. Our web-based OpenBabel converter lets chemists, bioinformaticians, and students seamlessly convert ...

Calculate your protein's net charge & isoelectric point online in seconds with our free Protein Charge Calculator—no signup, adjustable pH slider & exportable data.