General Calculators

7 free tools in this category.

• Percentage Calculator - What is X percent of Y, and what percent is X of Y.
• Age Calculator - Exact age from a birth date.
• Date Difference Calculator - Days between two dates.
• Image Aspect Ratio Calculator - Aspect ratio of a width and height.
• File Size Calculator - Convert between bytes, KB, MB and GB (1024 base).
• Color Picker and HEX Converter - Pick a color and see HEX, RGB and HSL.
• Password Generator - Secure random passwords (crypto.getRandomValues).