Interactive Tools & Utilities

FASTA Validator and Converter

Free online FASTA validator and converter. Paste or upload a FASTA or multi-FASTA file to check its formatting, get sequence statistics, then clean, rewrap and convert it to CSV, TSV or plain...

Statistical Significance Calculator

Free online statistical significance calculator for biological and experimental data. Run a Welch, Student or paired t-test on two groups of values, or a chi-square test on a contingency table, and...

Protein Structure Viewer

An interactive 3D protein structure viewer powered by 3Dmol.js. Load any RCSB PDB ID or paste raw PDB/mmCIF data to explore cartoon, stick, sphere, and surface representations directly in your browser...

Dilution & Molarity Calculator

A practical lab calculator for preparing chemical and biological solutions. Instantly solve dilution equations (C1V1 = C2V2), calculate molarity, and compute mass needed for target stock...

DNA / RNA Sequence Toolkit

An all-in-one browser-based sequence analysis suite. Calculate GC content, generate reverse complements, perform 3-frame and 6-frame translations, and estimate primer melting temperatures (Tm)...