Tools

A modern calculator for splitting bills quickly and easily. It allows you to enter the total, add a tip, divide between multiple people, and even include individual expenses.

Reduce the size of your PDF files without compromising the integrity or visual quality of the content

Measure your actual internet connection speed instantly. Securely check your latency (ping), download and upload speeds on Wi-Fi, fiber optic, or mobile data networks.

Online subnetting calculator. Easily design IPv4, IPv6, and VLSM networks, calculate hosts, broadcast addresses, and ranges. Includes a CCNA-style simulator. Fast, accurate, and requires no installation.