Waveform Generator
Turn any audio into a sharp waveform image for posts and covers. Upload your audio, pick the wave color, background and style, then download a high resolution PNG sized for social posts.
Any common audio format such as MP3 or WAV. Everything is processed in your browser; nothing is uploaded.
Preview
How to use
- Upload your audio file, such as a podcast episode or music clip.
- Choose the wave color, background color, style and image size.
- Click Draw waveform to see the preview, then download the PNG.
Note: the image shows the full track from start to finish, drawn from real amplitude peaks.
Tips
- Use a strong color contrast between the wave and the background so it stands out in small thumbnails.
- Mirrored bars look best for podcast covers; the smooth line suits calm, minimal designs.
- Pick the square 1080 x 1080 size for feed posts and 1920 x 1080 for video thumbnails or banners.
Frequently Asked Questions (FAQ)
What image sizes can I download?
You can download 1920 by 1080, 1280 by 720, or 1080 by 1080 square, which covers most social post and cover layouts.
Which waveform styles are available?
Bars, mirrored bars, a smooth line and dots, each drawn from the real amplitude peaks of your audio.
Is my audio uploaded to a server?
No. The audio is decoded and drawn entirely in your browser, so it never leaves your device.
What kind of audio files can I upload?
Any audio file, such as a podcast episode or a music clip.
Which size should I pick for a podcast cover?
Pick the square 1080 by 1080 size for feed posts and covers; mirrored bars look best for podcast covers.