Developer Calculators
Logic gates, playback speed, timesheets, date & time arithmetic, and quick developer math
Logic Gate Calculator
Compute AND, OR, XOR, NAND, NOR, XNOR, and NOT of binary values with truth-table style output
Playback Speed Calculator
Calculate adjusted video or audio duration when speeding up or slowing down playback
Date & Time Calculator
Add or subtract days, weeks, months, years, hours, minutes, or seconds from any date or time
Time Sheet Calculator
Sum multiple HH:MM time ranges into total hours worked — perfect for weekly timesheets
Cash App Fee Calculator
Estimate Cash App fees for instant deposits, business payments, and Bitcoin withdrawals
IELTS to CLB Converter
Convert IELTS band scores to Canadian Language Benchmark (CLB) levels for Express Entry