fcgrbar — alignment-free DNA barcoding

FCGR + nearest-neighbour identification against the Muscidae COI reference library (4 830 references, 514 species).

🟢 Green: known species    🟡 Yellow: species not in library, closest genus shown    🔴 Red: beyond library scope (closest matches still shown)

Input: ≥300 bp, ACGT/U, FASTA. Both strands accepted (canonical k-mers). All computation runs locally in your browser — no data leaves your machine.

or upload a FASTA file (multiple sequences OK):

🔍 Identify

Reference library inventory