Most "DNA art" is a photo of a gel or a barcode — generic, and not actually derived from your genome. ChromoDot is the opposite: every line and colour comes from your own variants, and the same DNA always produces the same piece. It's a portrait, not a pattern.
Your raw DNA file lists hundreds of thousands of single-letter positions (SNPs) — which chromosome they're on, where, and which letters you carry. ChromoDot collapses each of your 23 chromosomes into a single bold shape:
Bloom draws one petal per chromosome — its length set by the chromosome's size, its width by how heterozygous you are along it. Strata stacks the chromosomes to scale as calm bands of colour. Rings renders each as a concentric arc. Dotty — true to the name — places each chromosome as a single coloured spot, sized to its length, hollowing into a ring where you're more heterozygous. Across all four, the palette isn't random — your genome selects one of ten hand-tuned colourways, and your per-chromosome makeup shades it from there. That's why it's deterministic and unique at once.
Your DNA is about the most personal data there is, so ChromoDot never sees it. The whole
thing runs in your browser — your file is read with the local FileReader API and
the art is drawn on your own machine. Nothing is uploaded. Don't take our word for it:
open your browser's Network tab while you use it and watch zero requests carry your data.
There's no account and no database because there's nothing to store.
Alongside the art, ChromoDot points out a handful of well-established, just-for-fun variants that happen to be in your file — caffeine metabolism, lactose tolerance, earwax type, bitter taste, and the like. Each links to its public reference (SNPedia, dbSNP) so you can read the actual science.
Is this a health or ancestry test?
No. It's an art toy with a fun, cited genetics footnote. The effects of single SNPs are usually small, sometimes debated, and never the whole story. Nothing here is medical advice or diagnostic, and SNP orientation can vary between data sources — so treat the trait readouts as conversation starters, not conclusions.
Which files work?
Raw downloads from 23andMe, AncestryDNA and MyHeritage (.txt / .csv).
A typical file has ~600,000 variants — all of them feed the art.
Can I sell or print it?
It's yours. The digital download is free to keep and share; framed prints are available in the shop.
ChromoDot is for curiosity, art and education only. It is not a medical device, not a diagnostic test, and not a substitute for professional genetic counselling or medical advice. Genetic trait associations are population-level tendencies with small effect sizes.