Mini Calculator Popup

A tiny rainbow-themed calculator that runs in the popup with no extra permissions.

Mini Calculator Popup is a lightweight Chrome extension that provides a simple and convenient calculator directly inside the browser popup. Designed for quick everyday calculations, the extension allows users to perform basic arithmetic operations without opening a separate application or switching tabs. The calculator supports addition, subtraction, multiplication, division, percentage calculations, decimal input, and sign changes. A clean rainbow themed interface makes the experience visually pleasant while maintaining clarity and ease of use. The responsive layout is optimized for fast interaction using both mouse clicks and keyboard input. All calculations are performed locally within the extension popup using built in browser functionality. The extension does not require advanced permissions and does not access website content, browsing activity, or personal information. Users can quickly copy calculation results using the built in copy button, making it useful for tasks such as budgeting, online shopping comparisons, study work, or daily problem solving. Key features include: • Perform quick arithmetic calculations directly from the browser toolbar • Support for addition, subtraction, multiplication, division, and percentages • Decimal input and positive or negative number control • One click result copy functionality • Keyboard input support for faster operation • Lightweight rainbow styled interface • Runs entirely offline without external services Mini Calculator Popup is ideal for users who want a fast, distraction free calculator that is always accessible inside their browser.