Choose between three modes: 'Days Between' calculates the exact duration between two dates including total days, weeks, business days, and weekends. 'Add Days' finds a future date by adding a specific number of days to your start date. 'Subtract Days' finds a past date by subtracting days. Business days exclude weekends (Saturday and Sunday). All calculations account for leap years and varying month lengths.
Calculate exact age in years, months, and days. Find total days, weeks, hours, and minutes lived.
Simple and clean timer for your daily activities.
Calculate image and video dimensions from any aspect ratio. Supports 16:9, 4:3, 1:1, and custom ratios.
Find JavaScript event keycodes instantly.