Tools
Convert a title or piece of text into a clean, URL-safe slug — computed locally in your browser.
Estimate US federal income tax, effective rate, and take-home pay for single filers, directly in your browser.
Convert a coordinate to UTM easting/northing, or back, with a map.
Generate one or more random (version 4) UUIDs, computed locally in your browser.
Check the current UV index and sun-exposure risk level for any city, with a visual gauge and a 5-day outlook.
Check current weather conditions for any city in the world.
Check current weather conditions and today’s forecast for exact latitude/longitude coordinates.
Compare current weather conditions between two cities, side by side.
Convert a WebP image to the more widely-supported JPG format, directly in your browser.
Convert a WebP image to the more widely-supported PNG format, directly in your browser, with transparency preserved.