Digital & Dev

PPI/DPI, Aspect Ratio, Subnet, Base Converter, Color Code

PPI/DPI Calculator

Calculate screen PPI from resolution and display size. Check print DPI for optimal quality. Free online PPI and DPI calculator.

Aspect Ratio Calculator

Calculate aspect ratios and convert resolutions. Find the matching width or height for 16:9, 4:3, and custom ratios. Free online aspect ratio calculator.

Subnet Calculator

Calculate network range, usable hosts, and broadcast address from an IP address and subnet mask. Free online subnet and CIDR calculator.

Number Base Converter

Convert numbers between binary, octal, decimal, and hexadecimal instantly. Custom bases supported. Free online number base converter.

Color Code Converter

Convert between HEX, RGB, HSL, and CMYK color codes instantly. Includes color preview and one-click copy. Free online color code converter.