About PLAINOR

PLAINOR is a growing collection of small, focused tools — calculators, converters and everyday utilities that do one job well.

No account. No pop-ups. No unnecessary steps. Open a tool, get an answer, and get on with your day.

Our approach

• Every tool explains how it works and what the formula is.
• Calculations happen in your browser wherever possible.
• The interface stays out of your way on desktop and mobile.