Solve everyday percentage questions: what is X% of Y, Y as a percentage of X, percentage change, and more.
Quickly check if your cash is enough for planned purchases. Enter your cash, list items with quantity and price, and see totals and status at a glance.
Chill Toolkit
Convert between Unix epoch (seconds / milliseconds) and human-readable dates in UTC and local time
Chill Toolkit
Simple and accurate stopwatch for timing tasks, workouts, or events. Start, pause, resume, and reset with clean interface. Track elapsed time down to milliseconds.
Chill Toolkit
A simple online spreadsheet editor for quick notes, data lists, and calculations. Supports multiple sheets per user session, autosave, and file management — all stored securely on the server.
Chill Toolkit