Clean starts and endings
Free Online Audio Fade In and Fade Out Tool
Add gentle intros and outros to podcasts, songs, voiceovers, ambience, and sound effects. Set separate fade-in and fade-out lengths, preview the result, and export locally with browser-based FFmpeg.
Useful for private drafts, client review files, and unreleased music because everything stays on your device.
Uses FFmpeg afade filters instead of approximate volume automation hacks.
A straightforward way to clean up starts and endings without opening a full editor.
Drag & drop audio here, or click to upload
Supports MP3, WAV, M4A, FLAC, OGG, AAC, and more
How to add fades online
- 1.Upload an audio file and review its original preview and total duration.
- 2.Set a fade-in length, a fade-out length, or both depending on how you want the clip to enter and exit.
- 3.Choose MP3 or WAV export, process the file, preview the smoother result, and download it.
Why use this fade tool?
Cleaner starts and endings
Remove abrupt beginnings and cutoffs from voice notes, exported loops, beds, and ambient recordings.
Useful for podcast and music prep
Make intros and outros feel more polished before sharing rough cuts, demos, or review files.
Local browser workflow
All fade processing happens on your device, so you can work on private material without uploading it.
Simple precise control
Separate fade-in and fade-out durations make it easy to shape exactly how a clip enters and leaves.
Common use cases
- •Add a soft intro to a podcast voiceover or meditation track.
- •Create a clean fade-out on music demos and rough mixes before sharing.
- •Smooth ambience loops so they enter and exit less abruptly.
- •Tidy exported sound effects before dropping them into a video timeline.
Tips for smoother fades
- •For short speech clips, fades around 0.25 to 1.5 seconds are often enough.
- •Longer ambience or music beds can handle gentler fade-outs of several seconds.
- •Trim silence first if you want the fade to start exactly on the useful audio.
Fade in and fade out FAQ
Can I use only fade in or only fade out?
Yes. You can set either side independently, so the tool works for intros, outros, or both at once.
What happens if the fades are too long?
The total fade time has to fit inside the source duration. If it does not, the page blocks processing and asks you to shorten the settings.
Will fades reduce audio quality?
The fade effect itself is simple and safe. Final quality mainly depends on the source file and whether you export as WAV or MP3.
Is this useful for podcasts and music?
Yes. It is a practical tool for podcasts, songs, ambience, sound effects, meditations, and voiceovers.