Sprawdź hasło and other 85,000 icons from Icons8 icon pack follow the visual guidelines of the operating systems: Windows, iOS, Android KitKat, and Material. PNG format is free up to 100x100 px. Icons are availble for download in PNG and vector (SVG, PDF, EPS, and more).
This icon for password check is a rectangle with rounded edges. Inside of the rectangle there are three circles placed horizontally next to one another. In the bottom right corner of the rectangle is a circle overlapping the corner, with a check mark in its center.