For app developers
App store tools
app-ads.txt checker
Validate your app-ads.txt like ad networks do and confirm your AdMob publisher ID is authorized.
App icon generator
Every Android, iOS and favicon size from one image, zipped and ready for Android Studio and Xcode.
App icon & screenshot downloader
Save any app's icon and screenshots in full resolution from Google Play or the App Store.
Health & fitness
Calculators
Body metrics
BMI, BMR, body fat, lean body mass, waist-to-hip ratio and more.
Nutrition & diet
Calorie needs and deficit, protein, water, macros, keto and glycemic load.
Fitness performance
Running pace, heart rate zones, steps to calories, 1RM, VO2 max and TDEE.
Specialized health
Due date, ovulation, sleep cycles, child growth, blood pressure, cholesterol.