Audio Waveform Generator
Create a picture of your sound. Draw the waveform of a track as bars, mirrored bars, a line or a filled shape, colour it with a gradient, and download a PNG for social posts or a scalable SVG for print and websites.
- Files stay on your device
- No sign-up
- Free to use
Style
Colours and size
The waveform is drawn in your browser; the audio is not uploaded.
How to use Audio Waveform Generator
- Drop an audio file onto the upload area.
- Choose a style and adjust bar width, gap and rounding.
- Pick colours, an optional gradient and background, and the image size.
- Select Create waveform image and download the PNG and SVG files.
Audio Waveform Generator features
Four styles
Bars, mirrored bars, a continuous line or a filled silhouette.
Gradient colours
Two-colour gradients across the waveform, or a single colour.
Transparent background
Place the waveform on any design without a box behind it.
Ready-made sizes
Banner, square, HD, story and print strip formats.
PNG and SVG
A pixel image for social media and a vector file that scales to any size for print.
Drawn in your browser
The audio is decoded locally and never uploaded.
When to use Audio Waveform Generator
- Creating cover art or social posts for a podcast episode or song release.
- Printing soundwave art of a voice message, wedding vow or first word.
- Designing audio-themed website headers and slides.
- Making visual thumbnails for audio collections.
- Adding a waveform to merchandise such as posters and mugs.
Audio Waveform Generator FAQ
Is the waveform accurate?
Yes. It is computed from the decoded audio, using the average loudness of each slice so the shape is smooth and readable, then scaled so the loudest part reaches the full height.
Which format should I download?
PNG for social media and messaging. SVG for printing at large sizes or for websites, where it stays perfectly sharp at any size.
Can I make a waveform of a voice message?
Yes. Save the voice message as a file, then drop it here. Voice messages make popular personalised prints.
Why does my waveform look like a block?
Heavily compressed modern music is loud throughout, so it produces an even shape. Try the line or filled style, or a recording with more dynamic range.
Which audio formats work?
Any format your browser can decode, including MP3, WAV, M4A, AAC, FLAC and OGG in most browsers.
From sound to shape
A waveform plots the strength of a sound over time. Digital audio stores tens of thousands of samples per second, far too many to draw individually, so the generator divides the recording into as many slices as there are bars or pixels and measures each slice. Using the root-mean-square level rather than the single highest peak produces a shape that follows perceived loudness and looks less spiky.
Style changes the character of the result. Bars give a modern, app-like look and are the most recognisable waveform style. Mirrored bars are symmetrical around the centre, like many audio players. A line traces the envelope precisely, and the filled style turns the sound into a solid silhouette suitable for logos and prints.
SVG output describes the waveform as shapes rather than pixels, so it can be printed on a poster or scaled on a website without becoming blurry. It also keeps file sizes small and allows designers to recolour the waveform later in vector software.
Dynamic recordings, such as speech, acoustic music or classical pieces, produce the most interesting shapes, with clear peaks and pauses. Loud, heavily compressed tracks look more uniform.