Fade Audio
Apply fade-in and fade-out effects to an audio file for smooth beginnings and endings. Set the duration of each fade independently to control the transition timing. SnapOtter processes the fades on your own server with no external uploads.
Features
- Independent fade-in and fade-out duration controls
- Logarithmic fade curve for natural-sounding volume transitions
- Option to apply only fade-in, only fade-out, or both
- Works with MP3, WAV, OGG, FLAC, and AAC formats
- All processing runs locally on your self-hosted server
What you can do
- Add a smooth fade-in and fade-out to background music for a presentation
- Apply a fade-out to a podcast episode ending instead of an abrupt cutoff
- Create radio-ready audio clips with professional fade transitions
- Smooth the start of a recording that begins mid-sentence with a gentle fade-in
Self-hosted. Your files never leave your network.
SnapOtter runs entirely on your own infrastructure. Files processed with Fade Audio 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
- Can I set different durations for fade-in and fade-out?
- Yes, the fade-in and fade-out durations are controlled independently. You can set each one to any length in seconds, or disable one while keeping the other. All processing runs on your own server.
- What type of fade curve is used?
- SnapOtter uses a logarithmic fade curve that sounds more natural to the human ear compared to a linear fade. This produces smooth, professional-sounding transitions. Processing happens locally on your server.
- Will the fade affect the rest of the audio?
- No. The fade only affects the beginning and end of the file for the specified duration. The audio between the fades remains unchanged. All processing happens on your self-hosted instance with no external uploads.
Ready to try Fade Audio?
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