Numbers & Math

Convert Unix timestamps to human-readable dates and vice versa.

Calculate Unix file permissions visually — numeric and symbolic modes.

Convert between binary, octal, decimal and hexadecimal with bit display.

Perform AND, OR, XOR, NOT, left shift and right shift operations.

Convert between bits, bytes, KB, MB, GB, TB and their binary (KiB, MiB) equivalents.

Convert length, weight, temperature, data size and speed units.

Convert numbers to Roman numerals and back.

Calculate the exact difference between two dates in days, weeks, months and years.

Calculate percentages, percentage of a value, and percentage change.

Check if a number is prime, find prime factors, generate primes in a range, and find the Nth prime.