Waveform Image
Generate a PNG waveform visualization from any audio file. Useful for social media thumbnails, video overlays, and podcast artwork. SnapOtter processes your audio locally so files never leave your server.
Features
- Renders a clean waveform PNG from any supported audio format
- Configurable image dimensions, colors, and background settings
- Supports MP3, WAV, FLAC, OGG, AAC, and other formats as input
- High-resolution output suitable for print and retina displays
- Self-hosted generation with no watermarks or branding on the output
What you can do
- Creating a waveform thumbnail for a podcast episode shared on social media
- Generating a waveform overlay image for a music video or audiogram
- Producing visual proof of audio content duration for legal documentation
- Adding waveform graphics to a presentation slide about a recorded interview
Self-hosted. Your files never leave your network.
SnapOtter runs entirely on your own infrastructure. Files processed with Waveform Image are never uploaded to third-party servers. Deploy a single Docker container and process files with full privacy, no watermarks, and no usage limits. Open source under AGPL-3.0.
Frequently asked questions
- What image format is the waveform exported as?
- The waveform is exported as a PNG image. You can configure the dimensions and colors to match your branding. Processing runs entirely on your self-hosted SnapOtter instance.
- Can I customize the waveform colors?
- Yes. You can set the waveform color and background color to match your project's visual style. All rendering happens locally on your server with no external dependencies.
- What audio formats can I visualize?
- SnapOtter supports MP3, WAV, FLAC, OGG, AAC, M4A, and other common audio formats. Your files are processed on your own hardware and never uploaded to third-party services.
Ready to try Waveform Image?
Deploy SnapOtter in under a minute. All 157 tools included. Open source and free forever.