Scan It
Scan a barcode, get the nutrition scorecard instantly.
Scan a packaged food’s barcode and see its calories and macros per 100 g and per serving, from open data.
How this is calculated
Methodology & sources
- Barcode scanning: Barcode Detector API — MDN Web Docs
- Browser support: BarcodeDetector availability table — caniuse
- Camera access: MediaDevices.getUserMedia() — MDN Web Docs
- Nutrition data: Open Food Facts — open food data for the world
Privacy — how your data is handled
All math runs in your browser on your device. Nothing you type is sent to a server,
and saved results live only in this browser's local storage. Tools that use live
public data (food databases, weather) request only what they need to display.
⚖️ Practical toolkit tip — Flat Digital Kitchen Food Scale (1g / 0.05 oz precision, ~$12)
Why it helps: Using the "Tare / Zero" button on your plate lets you weigh peanut butter, oils, or cooked chicken in 5 seconds without dirtying measuring cups.
Pro tip: Use a digital scale for 2 weeks to calibrate your eye, then switch to our Hand Portion Sizer whenever you eat out.