Developer Tools Calculators
Use focused developer tools for binary and hexadecimal values, IP subnets, bandwidth, passwords, Base64, and URL text transformations. Each page keeps its inputs explicit and its output reproducible or clearly labeled when it is only an estimate. These utilities support quick checks without hiding the underlying operation or assumptions.
What can you calculate here?
Choose a focused tool below for a transparent, shareable result backed by the method and sources shown on its page.

Binary Calculator
Binary Calculator returns a decimal interpretation from the entered binary number input.

Hex Calculator
Hex Calculator interprets an entered hexadecimal number as its base-ten decimal value.

IP Subnet Calculator
IP Subnet Calculator estimates usable IPv4 address space from an entered prefix length.

Bandwidth Calculator
Bandwidth Calculator returns data transfer rate from entered data amount and transfer time in seconds.

Password Generator
Password Generator estimates password entropy from selected length and character-set size inputs.

Base64 Encode Decode
Base64 Encode Decode transforms an entered value using the page’s stated encoding operation.

URL Encode Decode
URL Encode Decode returns transformed text from the supplied URL value and selected operation.