Free online audio spectrum visualizer
Turn your audio into an animated spectrum video in minutes.
Choose an energetic Line or classic Bars visualizer. Customize colors, backgrounds, and aspect ratio, then export a polished MP4 directly in your browser—no uploads or installs.
Create your visualizer
Free to use · Your audio stays on your device
Made for every feed
Landscape or vertical. Your choice.
Create widescreen videos for YouTube or vertical clips for Reels, TikTok, and Shorts using the same visualizer controls.
Simple workflow
From audio to video in three steps.
01
Add your audio
Drop in music, a podcast, or a voice recording.
02
Shape the spectrum
Choose Line or Bars and tune the visual.
03
Export your video
Render a polished MP4 directly on your device.
Pricing
Start free. Pay once.
The same creative tools either way. Upgrade only when you want the watermark gone.
FAQ
Questions, answered.
An audio spectrum visualizer turns the frequencies in an audio track into motion. Low, mid, and high frequencies drive animated shapes such as bars or a line.
Open seeaud.io, add an audio file, choose Line or Bars, customize the colors, background, and format, then export an MP4.
No. Your audio stays on your device and is processed on your device. It never leaves it and is not sent anywhere.
Choose an energetic glowing Line or classic Bars. Both styles can be customized with colors, backgrounds, scale, and layout controls.
Yes. Use 16:9 for horizontal video or 9:16 for vertical video.
No. seeaud.io runs in a supported browser, so you can create and export without installing a desktop application.