The latest articles on DEV Community by Summer Zhao (@seqbench). https://dev.to/seqbench https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3992911%2Fa6c9ff63-b1a0-4793-af59-bce7b3f6ad85.png https://dev.to/seqbench en Summer Zhao Fri, 19 Jun 2026 17:18:39 +0000 https://dev.to/seqbench/i-built-seqbench-free-bioinformatics-tools-in-the-browser-2g9o https://dev.to/seqbench/i-built-seqbench-free-bioinformatics-tools-in-the-browser-2g9o <p>SeqBench is a free, browser-based bioinformatics toolkit designed for molecular biologists, bioinformaticians, and students working with DNA, RNA, and protein sequences.</p> <h2> Why I Built It </h2> <p>Most bioinformatics software is either:</p> <ul> <li>Expensive (SnapGene $200+/year)</li> <li>Bloated and slow to open</li> <li>Requires installation on every device</li> </ul> <p>I wanted something lightweight, private, and instantly accessible for quick sequence checks in the lab.</p> <h2> Key Features </h2> <ul> <li> <strong>15+ integrated tools</strong>: reverse complement, translation, ORF finder, primer Tm, CRISPR gRNA designer, plasmid viewer, codon optimizer, restriction analysis, FASTA/FASTQ stats, pairwise alignment, and more</li> <li> <strong>Privacy-first</strong>: most calculations run locally in your browser — your sequences don't leave your device</li> <li> <strong>Zero friction</strong>: no registration, no installation, no paywalls</li> <li> <strong>Database integration</strong>: fetch sequences from GenBank, RefSeq, and UniProt using just accession numbers</li> <li> <strong>Educational resources</strong>: built-in guides and reference tables for students</li> </ul> <h2> Use Cases </h2> <ul> <li>Quick sequence checks without opening heavy desktop software</li> <li>Teaching molecular biology and bioinformatics</li> <li>Primer design and validation</li> <li>CRISPR guide RNA screening</li> <li>Learning sequence analysis fundamentals</li> </ul> <p>Try it out at <a href="https://seqbench.com" rel="noopener noreferrer">seqbench.com</a></p> <p>Would love feedback from the bioinformatics and developer communities!</p> bioinformatics webdev opensource