Szybki Kalkulator Procentów is a free Chrome add-on designed to perform quick percentage calculations directly in your browser. This tool eliminates the need to switch between applications or search online for simple calculations, making it a convenient option for users who frequently deal with percentages in their daily tasks. With its lightweight design, the add-on does not slow down browser performance and works offline, ensuring calculations can be made anytime without an internet connection.

The calculator features four essential functions: calculating a percentage of a number, adding a percentage, subtracting a percentage, and determining what percentage one number is of another. This functionality addresses common needs such as figuring out discounts, tips, and taxes. Additionally, it respects user privacy by not collecting data on calculations, making it a secure choice for users looking for a straightforward and effective percentage calculation tool.