Fade In / Fade Out
Add smooth fade in and fade out to any audio file. Free online fader tool for podcasts, intros and transitions. Set dura
Upload a WAV, MP3, OGG, M4A or WebM file.
Upload a file to begin.
How to Use Fade In / Fade Out
- Upload a file: Upload any audio file. The tool reads its total duration automatically.
- Set fade lengths: Drag Fade In and Fade Out to the seconds you want. Each can be up to half the file's duration.
- Apply & download: Click Apply Fades & Download to process the audio and save it as a WAV file.
About Fade In / Fade Out
Fade In / Fade Out adds professional volume ramps to the start and end of your audio.
- Independent Controls: Set the fade-in and fade-out lengths separately.
- Linear Ramp: Smooth, even volume transitions with no clicks or pops.
- Instant Download: The processed audio is saved as a WAV file right away.
Essential for podcast intros and outros, video transitions and any audio that needs a clean start and finish.
Frequently Asked Questions
What does this audio fader do?
It smoothly raises the volume at the start (fade in) and lowers it at the end (fade out) of your audio to avoid abrupt start and stop.
How long can the fades be?
Each fade can be up to half the total duration of your file. Use the sliders to set the exact fade-in and fade-out lengths in seconds.
Is it good for podcasts?
Yes — fade in/out is essential for podcast intros and outros to create professional, smooth transitions.