How do I make the wave stretch to full width?

Keep Responsive SVG on. The SVG then uses width="100%", keeps its viewBox, and sets preserveAspectRatio="none", so it fills the container width at a fixed height.

What does the seed do?

The seed shifts each layer by a reproducible random offset. The same seed and settings always produce the same wave; leave it empty to align all layers.

Can I place the wave at the top of a section?

Yes. Set Fill position to Top to fill above the wave, and use Mirror horizontally to flip its direction.

SVG Wave Generator

Create single or layered SVG wave dividers with responsive output

Wave

Mode

Layer count

Amplitude

Frequency

Phase

Layer spacing

Seed

The seed shifts each layer randomly. Leave it empty to align all layers.

Colors

Base color

Layer 1 color
Layer 2 color
Layer 3 color

Layer 1 is at the back. The front layer uses the base color; layers behind it get lighter tints.

Canvas

Width (px)

Height (px)

Width 64–4096 px, height 32–2048 px.

Fill position

Mirror horizontally

Responsive SVG

Uses width="100%" with preserveAspectRatio="none", so the wave stretches to its container at a fixed height.

<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="320" preserveAspectRatio="none" viewBox="0 0 1440 320"><path d="M0 158.654L22.5 164.414L45 169.247L67.5 173.049L90 175.737L112.5 177.253L135 177.564L157.5 176.664L180 174.572L202.5 171.333L225 167.018L247.5 161.719L270 155.552L292.5 148.65L315 141.163L337.5 133.252L360 125.088L382.5 116.85L405 108.714L427.5 100.857L450 93.449L472.5 86.651L495 80.609L517.5 75.454L540 71.298L562.5 68.231L585 66.32L607.5 65.605L630 66.102L652.5 67.801L675 70.664L697.5 74.63L720 79.612L742.5 85.504L765 92.176L787.5 99.486L810 107.275L832.5 115.373L855 123.607L877.5 131.797L900 139.766L922.5 147.342L945 154.36L967.5 160.67L990 166.134L1012.5 170.634L1035 174.072L1057.5 176.374L1080 177.491L1102.5 177.398L1125 176.097L1147.5 173.617L1170 170.01L1192.5 165.355L1215 159.754L1237.5 153.326L1260 146.212L1282.5 138.564L1305 130.55L1327.5 122.342L1350 114.118L1372.5 106.055L1395 98.33L1417.5 91.108L1440 84.546L1440 320L0 320Z" fill="#b1b3f8"/><path d="M0 204.081L22.5 208.671L45 212.209L67.5 214.615L90 215.84L112.5 215.856L135 214.663L157.5 212.286L180 208.778L202.5 204.214L225 198.693L247.5 192.334L270 185.275L292.5 177.669L315 169.681L337.5 161.483L360 153.252L382.5 145.168L405 137.406L427.5 130.132L450 123.504L472.5 117.667L495 112.746L517.5 108.848L540 106.058L562.5 104.435L585 104.014L607.5 104.806L630 106.793L652.5 109.931L675 114.153L697.5 119.368L720 125.462L742.5 132.304L765 139.745L787.5 147.625L810 155.772L832.5 164.012L855 172.164L877.5 180.053L900 187.508L922.5 194.368L945 200.483L967.5 205.722L990 209.972L1012.5 213.14L1035 215.157L1057.5 215.98L1080 215.592L1102.5 214L1125 211.24L1147.5 207.37L1170 202.474L1192.5 196.66L1215 190.051L1237.5 182.792L1260 175.04L1282.5 166.962L1305 158.734L1327.5 150.533L1350 142.537L1372.5 134.919L1395 127.843L1417.5 121.464L1440 115.919L1440 320L0 320Z" fill="#8a8cf5"/><path d="M0 163.219L22.5 157.207L45 152.086L67.5 147.968L90 144.942L112.5 143.073L135 142.402L157.5 142.943L180 144.684L202.5 147.588L225 151.592L247.5 156.609L270 162.531L292.5 169.23L315 176.56L337.5 184.362L360 192.469L382.5 200.703L405 208.889L427.5 216.846L450 224.405L472.5 231.401L495 237.682L517.5 243.113L540 247.576L562.5 250.975L585 253.235L607.5 254.309L630 254.172L652.5 252.828L675 250.306L697.5 246.66L720 241.969L742.5 236.336L765 229.881L787.5 222.744L810 215.081L832.5 207.057L855 198.845L877.5 190.623L900 182.57L922.5 174.86L945 167.659L967.5 161.123L990 155.395L1012.5 150.597L1035 146.835L1057.5 144.188L1080 142.715L1102.5 142.447L1125 143.391L1147.5 145.525L1170 148.804L1192.5 153.157L1215 158.489L1237.5 164.685L1260 171.61L1282.5 179.116L1305 187.039L1327.5 195.208L1350 203.446L1372.5 211.575L1395 219.419L1417.5 226.807L1440 233.581L1440 320L0 320Z" fill="#6366f1"/></svg>

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What is SVG Wave Generator?

SVG Wave Generator builds single or layered wave shapes for section dividers, hero footers, and decorative backgrounds. Output is a lightweight SVG made of sampled sine paths that you can paste into HTML, use as a React component, or export as PNG.

How to use

1.Pick Single wave or Stacked waves and set the layer count.
2.Tune amplitude, frequency (cycles across the width), phase, and layer spacing.
3.Choose a base color; stacked layers get an automatic lighter palette you can override per layer.
4.Set width and height, the fill position (below or above the wave), and optional horizontal mirroring.
5.Copy SVG or JSX, download the SVG, or export a PNG at 1× or 2×.

Responsive output and seeds

With Responsive SVG on, the markup uses width="100%", keeps the viewBox, and sets preserveAspectRatio="none", so the wave stretches to any container width at a fixed height. A seed shifts each layer by a reproducible random offset: the same seed and settings always give the same wave, and an empty seed aligns every layer.

Limits and privacy

Up to 6 stacked layers, widths from 64 to 4096 px, and heights from 32 to 2048 px. Waves are drawn with straight segments sampled densely along a sine curve, so extreme zoom can show slight faceting. PNG export always uses the fixed width and height. Everything is generated in your browser.

SVG Wave Generator

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