🌊Add Fade
Smooth fade in & out for any audio. Free, private, no signup — files never leave your browser.
Endings as smooth as beginnings.
Pro fade curves on any audio — rendered locally in seconds, never uploaded.
2
fades
in + out, independent
0
uploads
100% in-browser
Live
preview
hear before saving
Free
forever
no signup
How to use Add Fade
No more abrupt starts and chopped endings. Set fade-in and fade-out lengths on any audio and download a smoothly blended WAV. Rendered locally in seconds.
- 1Drop an audio file (MP3, WAV, M4A).
- 2Set fade-in and fade-out lengths.
- 3Preview and download the faded WAV.
Use cases
Podcast polish
Fade music beds under intros and outros like a pro.
Ringtone endings
No more chopped-off final notes.
Meditation & ambient
Gentle swells instead of jarring starts.
What add fade does
- ✓Independent fade-in and fade-out sliders.
- ✓Smooth linear curves, previewable instantly.
- ✓Works on any length, up to half-clip fades.
- ✓Full-quality WAV download.
- ✓Private: no uploads, no accounts, no watermarks.
Specs
- Speed
- Instant, on your device
- Input
- MP3, WAV, M4A
- Output
- Faded WAV
- Privacy
- Browser DSP, zero uploads
- Cost
- Free, unlimited, no signup
Frequently asked questions
Is my audio uploaded anywhere?
No. Fades render 100% in your browser with the Web Audio API. Your file never leaves your device.
How long can fades be?
Up to half your clip length each — from quick 0.5s polish to long cinematic swells.
Can I fade only one end?
Yes — set either slider to zero to fade just the start or just the end.
What format is the download?
A full-quality WAV with smooth linear fades.