Handy little tools for everyday tasks.
A simple tap counter. Count up or down with one tap — great for reps, people, stitches or inventory.
Generate strong, random passwords with full control over length and character types. Everything happens in your browser.
Create a QR code from any text or URL. Choose the error correction, colors and quiet zone, then download it as PNG or SVG. Everything runs in your browser.
Calculate your Body Mass Index from weight and height in metric or imperial units. See your WHO category, your healthy weight range and an age-based reference.
Estimate your daily protein needs from your body weight and goal, from general health to building muscle or losing fat. Metric and imperial units.
Work out the days between two dates, or add and subtract days, weeks, months and years from a date. Shows the duration, total days and the weekday.
Estimate your daily calorie needs (BMR and TDEE) from your sex, age, height, weight and activity level, with targets for losing, maintaining or gaining weight.
Work out percentages six ways: a percent of a value, what percent one number is of another, the base behind a percent, percentage change, increase or decrease, and percentage difference.
We use essential cookies to run the site. With your consent we also load Google AdSense, which sets advertising cookies. See our privacy policy.