Explore Other Categories

Discover tools from different categories to expand your toolkit beyond Sysops.

IPv6 to MAC

Extract the MAC address from an IPv6 link-local address that was created using EUI-64 or modified EUI-64 format.

Sysops

HTML Encoder

Convert special characters to HTML entities and decode HTML entities back to characters. Free online HTML encoding tool.

Developer World

Astronomical Distance Calculator

Convert cosmic distances between astronomical units (AU), light-years, parsecs, and kilometers. Calculate travel times and understand scale comparisons for space missions and stellar measurements.

Astronomy

Invoice Generator

Create professional invoices with our free online invoice generator. Customize currency, taxes, discounts, and download as PDF. No registration required.

Generator