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

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

Quickly compute the amino acid composition of any protein sequence with our free, user‑friendly online calculator.

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

Determine the molar and mass extinction coefficients of any protein sequence instantly. Free, precise UV–Vis analysis online with our Protein Extinction Coefficient Calculator at ScienceCodons.

Instantly translate DNA sequences into protein chains with our free online DNA to Protein Translator. Fast, accurate, no registration required.

Instantly translate DNA sequences into precise amino acid chains—our free, high‑speed DNA to Amino Acid Converter is perfect for researchers, educators, and biotech pros. No signup required.

Convert PHYLIP files to FASTA format in seconds. Streamline your sequence analyses with our secure, web‑based bioinformatics converter.

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 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.

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.

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, ...