You've only scratched the surface of your DNA.
You already paid for a DNA test — 23andMe, AncestryDNA, MyHeritage or similar. DNAHelper lets you discover what else your existing raw file may reveal: trait associations, gene explanations, and honest limitations. Free tools run locally in your browser — your file is not uploaded.
Try the free tools Open the app
Swedish-built product — every page offers a language switcher (30+ languages, AI-translated on the fly).
Free tools — no registration
Check your DNA file
Drop your raw file and instantly see provider, format and marker count — read locally in your browser.
rsID lookup
Search any rsID (e.g. rs762551) against ~295,000 catalogued markers — genes and associations.
Compatibility check
See what share of our trait catalog your file's markers actually cover.
Trait explorer
Browse 2,600+ evidence-graded traits with genes and confidence levels.
Share cards
Create a shareable card about a fun genetic trait — challenge a friend.
DNA challenges
Coffee metabolism, bitter taste, chronotype — quick quizzes and real markers to check.
vs Promethease
Honest comparison: a one-off uploaded report vs local, private exploration of the file you already own.
How it works
- Download your raw data file from your DNA provider (step-by-step guides).
- Check it with a free tool — the file stays on your device.
- Want the full analysis? The app runs locally; optional AI explanations are consent-gated.
Educational tool — associations, not diagnoses. Read our methodology.
Privacy-first by design
The free tools read your file entirely in your browser — no upload. The full app analyzes locally; the optional DNA Chat only sends the genetic details you select, after explicit consent. We don't sell data and we don't do dark patterns.