Pebbl — Notepad Calculator

A notepad that does math. Type naturally, see results instantly. Unit conversions, percentages, variables, and more.

Pebbl is a powerful notepad calculator. Type naturally, get instant answers.

• Type math like you think: "5 plus 3" or "20% off $50"
• Convert units: "5 miles to km", "100°F in celsius"
• Live currency conversion with daily updated rates
• Variables: set "price = 20" and use it in later lines
• Sum and average entire sections
• Built-in functions: sqrt, sin, cos, log, and more
• Multiple documents, auto-saved
• 100% private, all calculations happen on your device