Test your background code

Code HTML

<!DOCTYPE html>
<html lang="pt-BR">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        html, body {
            height: 100%;
            width: 100%;
            overflow: hidden;
        }
        
        body {
            position: relative;
        }
        
        .spline-container {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -10;
        }
        
        .spline-container iframe {
            border: none;
            width: 100%;
            height: 100%;
        }
    </style>
</head>
<body>
    <div class="spline-container">
        <iframe src="https://my.spline.design/3dgradient-AcpgG6LxFkpnJSoowRHPfcbO" frameborder="0" width="100%" height="100%" id="aura-spline"></iframe>
    </div>
</body>
</html>s

Preview

News Background (Animated)

Black Waves

new

Blue Waves

new

Chrome Ribbon

new

Point

new

Earth

new

Energy Lines

new

Fallen Stars

new

Galaxy

new

Spiral Galaxy

new

Glass List

new

Growing Planet

new

Green Waves

new

Purple Orbits

new

Ripples Forest

new

Universe

new

Stable Particle System

Simple Mesh Gradient

Free Background Generator & Customizer

Frosted Glass Effect

Object Backgrounds for Web Design

Constellation

objects

Ellipse

objects

Glassmorphism

objects

Parabolic

objects

Scribble

objects

Atmospheric Background Effects

Esmerald

atmosphere

Gold

atmosphere

Pinkep

atmosphere

Radio

atmosphere

Tornado

atmosphere

Animated CSS Backgrounds ⭐

Frame

animated

Line

animated

Stars

animated

Streak

animated

Blurred

animated

Starry sky

animated

Vector SVG Backgrounds

Abstract black

svg

Fusion

svg

Glass

svg

Glossy

svg

Abstract green

svg

Neon

svg

Shape purple

svg

Spiral

svg

Waveink

svg

Strong

svg

Dark Mode Backgrounds

Black Star

black

Blackout

black

Circuit

black

Dot

black

Gray

black

Black Purple

black

Laravel

black

Mat

black

Square Stone

black

Stripe red

black

Geometric Pattern Backgrounds

Square Blue

square

Square Fuchsia

square

Square Purple

square

Square Teal

square

Violet

square

Sky & Nature Backgrounds

Black Hole

sky

Earth

sky

Purple Planet

sky

Sun

sky

Moon

sky

Artistic Butterfly Backgrounds

Backpurple

butterfly

Blackurp

butterfly

Faint

butterfly

Stripes

butterfly

Whiple

butterfly

Light Mode & Minimalist Backgrounds

Baby

white

Linear

white

White

white

Wave

white

Smooth

white

About Backseasy

Backseasy is the ultimate free background generator for web designers and developers. Our comprehensive collection features animated CSS backgrounds, gradient generators,glassmorphism effects, and modern UI patterns that are perfect forNext.js projects, React applications, and Tailwind CSS designs.

Whether you need dark mode backgrounds, responsive patterns,SVG backgrounds, or 3D web backgrounds, our library provides high-quality, customizable options that enhance your frontend development workflow. All backgrounds are optimized for performance and ready to download instantly.

Backseasy Background Generator - About Section

Backseasy

Test your background code

News Background (Animated)

Black Waves

Blue Waves

Chrome Ribbon

Point

Earth

Energy Lines

Fallen Stars

Galaxy

Spiral Galaxy

Glass List

Growing Planet

Green Waves

Purple Orbits

Ripples Forest

Universe

Hero customization

Nebula Effect

Stable Particle System

Simple Mesh Gradient

Free Background Generator & Customizer

Frosted Glass Effect

Object Backgrounds for Web Design

Constellation

Ellipse

Glassmorphism

Parabolic

Scribble

Atmospheric Background Effects

Esmerald

Gold

Pinkep

Radio

Tornado

Animated CSS Backgrounds ⭐

Frame

Line

Stars

Streak

Blurred

Starry sky

Vector SVG Backgrounds

Abstract black

Fusion

Glass

Glossy

Abstract green

Neon

Shape purple

Spiral

Waveink

Strong

Dark Mode Backgrounds

Black Star

Blackout

Circuit

Dot

Gray

Black Purple

Laravel

Mat

Square Stone

Stripe red

Geometric Pattern Backgrounds

Square Blue

Square Fuchsia

Square Purple

Square Teal

Violet

Sky & Nature Backgrounds

Black Hole

Earth

Purple Planet

Sun

Moon

Artistic Butterfly Backgrounds

Backpurple

Blackurp