Fade In and Fade Out
Ease the start and the end of a track in and out. Type how many seconds each fade should take and export — no upload, no sign-up.
The conversion engine (about 32 MB) loads once on your first run and starts instantly from cache afterwards.
How long should a fade be?
Two to four seconds suits background music, half a second to one second suits ringtones, and one to two seconds suits a podcast sting. Making the fade out slightly longer than the fade in leaves a nicer tail. Keep fades under about a tenth of the whole track or the audio spends too long being quiet.
How it works
The ffmpeg afade filter ramps the amplitude linearly over the seconds you choose. The fade-out position is computed from the real length of the file, so "the last three seconds" works whatever the duration.
Combining with a cut
To fade a section from the middle of a track, cut it first with the audio trimmer and load the result here. If you are making a ringtone, the iPhone and Android ringtone pages already combine cutting and fading in one step.
Frequently asked questions
What are fade in and fade out?
A fade in raises the volume from silence at the start of a file; a fade out lowers it to silence at the end. Both remove the abruptness of a hard cut.
Can I fade somewhere in the middle?
This page fades the very start and the very end. For a fade in the middle, split the file, fade each part, then join them again with the merge tool.
Is my original file modified?
No. The result downloads as a new file and the original on your device is untouched.