What does this tool do?

It analyzes samples with analyzeWaveform into min/max/rms/peak blobs, builds vector data with generateWaveformPath (bar, line, area), and wraps it in a complete via generateWaveformSvg.

How are blobs, styles, and sizes handled?

Blob count defaults to 64 and caps at samples.length; bar draws per-blob verticals, line draws the envelope polyline, area closes the filled shape; width/height default to 800×240 with bar stroke 2, line/area stroke 3, and color #2563eb.

Is my audio uploaded or stored?

No. Bucketing, path building, and SVG serialization run fully client-side.

Why did analysis throw, or blobs come back short?

Empty samples or zero-blob analysis throws cannot be empty and blob counts must be positive integers; short input caps blobs at the sample length, so two samples yield two blobs.

Audio Waveform to SVG

Turn audio samples into a minimal, copyable SVG path locally

Waveform settings

Audio file

Source: Synthetic sine wave

Style

BlobsColorWidthHeightStroke width

SVG output

SVG code

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 800 240" width="800" height="240" role="img" aria-label="Audio waveform"><path d="M 6.25 79.573 L 6.25 120 M 18.75 39.413 L 18.75 74.078 M 31.25 11.521 L 31.25 35.147 M 43.75 0.145 L 43.75 9.134 M 56.25 0 L 56.25 7.015 M 68.75 9.134 L 68.75 31.086 M 81.25 35.147 L 81.25 68.693 M 93.75 74.078 L 93.75 114.112 M 106.25 120 L 106.25 160.427 M 118.75 165.922 L 118.75 200.587 M 131.25 204.853 L 131.25 228.479 M 143.75 230.866 L 143.75 239.855 M 156.25 232.985 L 156.25 240 M 168.75 208.914 L 168.75 230.866 M 181.25 171.307 L 181.25 204.853 M 193.75 125.888 L 193.75 165.922 M 206.25 79.573 L 206.25 120 M 218.75 39.413 L 218.75 74.078 M 231.25 11.521 L 231.25 35.147 M 243.75 0.145 L 243.75 9.134 M 256.25 0 L 256.25 7.015 M 268.75 9.134 L 268.75 31.086 M 281.25 35.147 L 281.25 68.693 M 293.75 74.078 L 293.75 114.112 M 306.25 120 L 306.25 160.427 M 318.75 165.922 L 318.75 200.587 M 331.25 204.853 L 331.25 228.479 M 343.75 230.866 L 343.75 239.855 M 356.25 232.985 L 356.25 240 M 368.75 208.914 L 368.75 230.866 M 381.25 171.307 L 381.25 204.853 M 393.75 125.888 L 393.75 165.922 M 406.25 79.573 L 406.25 120 M 418.75 39.413 L 418.75 74.078 M 431.25 11.521 L 431.25 35.147 M 443.75 0.145 L 443.75 9.134 M 456.25 0 L 456.25 7.015 M 468.75 9.134 L 468.75 31.086 M 481.25 35.147 L 481.25 68.693 M 493.75 74.078 L 493.75 114.112 M 506.25 120 L 506.25 160.427 M 518.75 165.922 L 518.75 200.587 M 531.25 204.853 L 531.25 228.479 M 543.75 230.866 L 543.75 239.855 M 556.25 232.985 L 556.25 240 M 568.75 208.914 L 568.75 230.866 M 581.25 171.307 L 581.25 204.853 M 593.75 125.888 L 593.75 165.922 M 606.25 79.573 L 606.25 120 M 618.75 39.413 L 618.75 74.078 M 631.25 11.521 L 631.25 35.147 M 643.75 0.145 L 643.75 9.134 M 656.25 0 L 656.25 7.015 M 668.75 9.134 L 668.75 31.086 M 681.25 35.147 L 681.25 68.693 M 693.75 74.078 L 693.75 114.112 M 706.25 120 L 706.25 160.427 M 718.75 165.922 L 718.75 200.587 M 731.25 204.853 L 731.25 228.479 M 743.75 230.866 L 743.75 239.855 M 756.25 232.985 L 756.25 240 M 768.75 208.914 L 768.75 230.866 M 781.25 171.307 L 781.25 204.853 M 793.75 125.888 L 793.75 165.922" fill="none" fill-opacity="1" stroke="#2563eb" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/></svg>

About

Upload browser-supported audio or use the built-in sine wave, inspect an inline SVG preview, and copy the generated SVG code.

About this tool

Decode audio in the browser and generate deterministic bar, line, or area SVG waveform paths. Audio Waveform to SVG runs in the browser on DevTools. There is no signup, and your input stays on this device unless the tool explicitly performs a live network lookup.

What this tool does not do

Audio Waveform to SVG is a free in-browser utility, not a hosted API. It does not keep server-side history and is not a substitute for production verification in your own stack.

How do I use this tool?

How do I use Audio Waveform to SVG?
Open Audio Waveform to SVG, enter or paste your input, and copy the result. The page works without an account.

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