Explore Other Categories

Discover tools from different categories to expand your toolkit beyond Developer's World.

Mailto Link Generator

Create mailto links with pre-filled subject, body and recipients. Generate email links for your website.

Generator

Calendar Tool

Browse calendar, view holidays and plan events with our interactive online calendar tool. Free, easy-to-use calendar with customizable holidays.

Datetime

Butter Converter

Convert butter measurements between sticks, cups, tablespoons, grams, and ounces.

Conversion

Telescope FOV Calculator

Calculate telescope field of view, magnification, and image scale for eyepieces and cameras. Determine what celestial objects will fit in your view for optimal visual observing and astrophotography.

Astronomy