Stop guessing drawing coordinates. Create custom vector paths, morphing waves, and organic curves with instant, production-ready CustomPainter Dart code.
class WavePainter extends CustomPainter {
@override
void paint(Canvas canvas, Size size) {
final paint = Paint()
..shader = ui.Gradient.linear(
Offset.zero,
Offset(size.width, size.height),
[const Color(0xFF6366F1), const Color(0xFF06B6D4)],
);
final path = Path()
..moveTo(0, 208.0)
..cubicTo(
161.0, 131.0,
210.0, 208.0,
230.0, 208.0,
)
..cubicTo(
250.0, 208.0,
299.0, 285.0,
size.width, 208.0,
)
..lineTo(size.width, size.height)
..lineTo(0, size.height)
..close();
canvas.drawPath(path, paint);
}
@override
bool shouldRepaint(covariant CustomPainter oldDelegate) => true;
}Powerful tools to help you create the perfect shapes for your Flutter apps.
Draw complex paths with precision using our vector pen tool. Add, remove, and adjust anchor points with ease.
Combine shapes using Unite, Subtract, Intersect, and Exclude operations to create complex geometries.
Upload your complex SVG files directly. We instantly generate precise, ready-to-run Flutter Path code.
Get production-ready CustomPainter code instantly. Copy and paste directly into your Flutter project.
Forget about calculating quadratic bezier curves manually. Just drag anchors and let us handle the math.
Get code that works exactly how you need it.
Standard Flutter CustomPainter class ready to use in your widgets.
Just the Path commands for maximum flexibility and customization.
Responsive code that scales perfectly with container dimensions.
Design custom shapes in real-time, inspect control points, and copy production-ready Flutter code in seconds.
Place anchor points, drag tangent handles, and sculpt complex quadratic or cubic bezier curves without calculating coordinates.
final path = Path()
..moveTo(0, 130)
..cubicTo(80, 30, 160, 160, 220, 70)
..lineTo(size.width, size.height)
..close();
canvas.drawPath(path, paint);Generates idiomatic, hardware-accelerated Flutter Path code formatted according to official Dart guidelines. Zero external dependencies.
Combine multiple shapes effortlessly using Unite, Subtract, Intersect, and Exclude operations for intricate cutout geometry.
Create the sophisticated UI elements, custom clippers, and animated micro-interactions your design team imagines.
Create modern concave and convex header cutouts with dynamic bezier curves that adapt to all device widths.
Combine rounded rectangles and circular punch-hole cutouts using boolean difference operations for realistic vouchers.
Can we make the header wave animate smoothly?
10:42 AMDone! Flutter Shape Builder exported an Impeller-ready CustomPainter in 1 click ✨
Sculpt smooth organic message tails and asymmetrical corner radii that scale effortlessly with text content.
Experience the most intuitive visual vector workflow built specifically for Flutter engineers and UI designers.
Drag pre-built shapes onto the infinite canvas or draw custom organic paths with the visual bezier pen tool.
Every curve change updates the output in real-time. Choose between CustomPainter, ClipPath, or raw Path.
Copy with 1-click and drop directly into your Flutter codebase. Pure Dart with no third-party package dependencies.
Hit run and see your custom shapes render with native hardware acceleration across iOS, Android, macOS, and Web.
See why hundreds of Flutter developers have replaced guesswork coordinate math with visual curve manipulation.
// ⚠️ Manual coordinates break on different screen sizes
path.moveTo(0, size.height * 0.68);
path.quadraticBezierTo(
size.width * 0.342, size.height * 0.419, // Guesswork!
size.width * 0.621, size.height * 0.784,
);
// ⏱️ 45 minutes lost tweaking control points...// ✨ Production-ready, responsive, Impeller-accelerated
class SmoothWavePainter extends CustomPainter {
@override
void paint(Canvas canvas, Size size) {
final path = Path()..addVisualCurves(size);
canvas.drawPath(path, paint);
}
}size.width and size.height for any screen.Whether you're crafting bespoke client apps, scalable design systems, or innovative mobile prototypes.
Bridge the Figma-to-code gap. Export exact vector curves directly to Dart without back-and-forth coordinate reviews with engineering.
Ship distinct, award-worthy app visuals without drowning in trigonometric calculations or CustomPainter documentation.
Generate clean, reusable CustomPainter and CustomClipper widgets that can be packaged into internal company UI kits.
Test bold shape variations with clients in seconds during design sprints and immediately deploy them to production codebases.
Six dedicated visual generators engineered to make every aspect of Flutter graphics fast, fun, and mathematically precise.
Draw custom vector paths, manipulate anchor handles, and use boolean operations with instant CustomPainter code.
Upload SVG vector files or icons and convert them into lightweight, native Flutter Path classes in 1-click.
Design LinearGradient, RadialGradient, and SweepGradient visually with interactive angle wheels and color stops.
Craft multi-layer BoxShadow effects with smooth diffusion, ambient occlusion, and colored elevation glows.
Generate smooth organic blob contours with customizable complexity and smoothness. Export as static shapes or 60fps morphing animations.
Open Blob Tool →Design flowing multi-layer wave dividers, sine waves, and hero section headers with customizable frequency and amplitude.
Open Wave Tool →Yes! The generated code uses standard Flutter Path operations which are highly optimized by the Skia/Impeller engine.
Absolutely. The output is pure Dart code. You can modify it manually or paste it back into the editor (coming soon).
Yes! For both Blobs and Waves, you can toggle morphing/rippling animations in the preview pane and instantly export a fully operational, self-contained AnimatedWidget that computes and renders these organic shapes at 60fps natively in Flutter.
Yes, Flutter Shape Builder is completely free to use, with no sign-up or subscription required.
We provide machine-readable technical specs for AI agents and developers. Explore our LLM Technical Documentation and Full Technical Specification for AI Context for code generation pipelines and architecture guides.
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