Add Rounded Square black filled icon
Plus sign inside a rounded square outline, an add button icon
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About the Add Rounded Square black filled icon
A thick plus sign sits centered inside a rounded-corner square frame, forming a self-contained button shape. It works as a universal add or create action, fitting toolbars, floating action buttons, form controls, list-item add buttons, and mobile app interfaces.
The square's rounded corners soften the button silhouette while the plus strokes match the frame's line weight for visual balance. Pairs naturally with remove, edit, or settings buttons in a UI icon set; keep proportions intact when resizing so the frame doesn't look cramped.
This is the solid black filled version of the add rounded square icon: a bold silhouette that reads clearly at 16-24 px and on dark or busy backgrounds, and prints well in one colour.
It downloads free as an SVG vector or transparent PNG in seven sizes, and the free online editor lets you recolor it, apply gold, silver, neon and gradient styles, add animation, or convert it to EPS, PDF and DXF.
Free for personal and commercial use with attribution.
