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.

Seamlessly reformat your PHYLIP sequence alignments into the formats you need—FASTA, Nexus, Clustal, JSON, and more—with just a few clicks. Our online PHYLIP Alignment Converter combines speed, ...

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.

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

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 your Structure Data Files (SDF) into Tripos MOL2 format instantly and for free. Secure, browser-based tool—no signup required for fast cheminformatics workflows.

Convert DNA sequences to mRNA in seconds. Free, web‑based DNA→mRNA transcription tool for researchers, students, and educators. Try it now!

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

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 ...