FoodIdentifier offers free nutrition calculators with no signup required. Instantly calculate calories, TDEE, BMI, and BMR in your browser, or scan food from photos to estimate nutrition in seconds. All tools work on mobile and desktop without downloading an app.
Quick Answer
- • Free forever: No trials, no credit cards, no hidden limits
- • No signup: Start using tools instantly in your browser
- • Mobile-friendly: Works on any device without app download
Last updated: 2026
All Free Tools (No Signup)
Free Calorie Calculator
Calculate daily calorie needs for weight loss, maintenance, or muscle gain
Free TDEE Calculator
Total Daily Energy Expenditure based on activity level
Free BMI Calculator
Body Mass Index and weight category classification
Free BMR Calculator
Basal Metabolic Rate — calories burned at rest
Food Photo Scanner
AI estimates calories from meal photos in seconds
Barcode Scanner
Scan packaged foods for nutrition facts and ingredients
Why No Signup Required?
FoodIdentifier is designed for everyday people who need quick nutrition answers without the hassle of creating accounts, remembering passwords, or sharing personal information. All calculators run directly in your browser — no data is stored on our servers unless you choose to create an account for history tracking.
Works on Mobile
iPhone, Android, or tablet
Instant Results
No loading, no waiting
Privacy First
No tracking, no spam