Add Stroke to Image
Add custom stroke outlines to transparent PNG images. Create perfect borders around logos, icons, and transparent graphics with inside, outside, or centered placement options.
or drop images here or paste
Add custom stroke outlines to transparent PNG images. Create perfect borders around logos, icons, and transparent graphics with inside, outside, or centered placement options.
or drop images here or paste
Add Stroke creates custom outlines and borders around transparent PNG images by detecting alpha channel edges. Unlike simple borders that frame the entire rectangle, stroke follows the actual shape of transparent graphics, logos, icons, and cutout images. The tool analyzes image transparency to identify visible edges and applies precise stroke outlines with adjustable width, color, and position - outside edges for expanded borders, centered on edges for balanced outlines, or inside edges for inset strokes without changing dimensions.
Upload transparent PNG images with alpha channels to apply instant stroke outlines. Adjust stroke width slider (1-50 pixels) to control outline thickness - thin strokes (1-5px) create subtle definition for icons and logos, medium strokes (5-15px) produce visible borders for graphics and illustrations, thick strokes (15-50px) generate bold dramatic outlines for posters and design elements. Choose stroke color using color picker - black strokes for contrast on light backgrounds, white strokes for visibility on dark backgrounds, custom colors matching brand guidelines or design themes.
Outside stroke placement draws the outline beyond the original image edges expanding total dimensions by stroke width - ideal for creating breathing room around logos, adding emphasis to icons, or generating white outlines for visibility on varied backgrounds. Center position places stroke half inside and half outside the original edges maintaining similar dimensions while creating balanced outline - perfect for general purpose borders on graphics and illustrations. Inside stroke draws entirely within the original image boundaries reducing visible area but preserving overall dimensions - useful for inset borders on buttons, contained outlines on UI elements, or when precise size constraints required.
Apply outside strokes to logos and icons needing visibility on varied backgrounds - white stroke ensures readability over photos and textures. Use center strokes for product cutouts, illustrations, and graphics requiring defined edges without dimension changes. Add inside strokes to maintain exact pixel dimensions for UI design, app icons requiring specific sizes, or design elements with strict boundary constraints. Perfect for social media graphics, thumbnail borders, watermark outlines, sticker designs, decal borders, and any transparent PNG needing visual definition or contrast enhancement.
Export stroked images up to full original resolution preserving transparency and sharp outline edges. PNG format maintains alpha channel transparency essential for layering stroked graphics over backgrounds in design software, websites, and presentations. Outside stroke increases canvas dimensions automatically accommodating added outline width. JPEG removes transparency replacing with solid background - useful when transparency not needed. WebP provides 40-50% smaller files while preserving both transparency and stroke quality ideal for web graphics requiring fast loading with visual definition.