Add audio fade online - Fade in/out MP3
Add fade in and fade out effects to your audio files using Convertly Audio. Create smooth, professional transitions for your edits. Try it free!
How it works
Upload your audio file
Configure fade durations
Download with transitions
Processing done locally. Your audio files stay on your device.
Drag and drop your audio files
or click to select (MP3, WAV, FLAC, OGG, AAC, M4A)
Professional transitions
Avoid abrupt starts and endings with elegant fades. Ideal for presentations, podcasts, and video editing.
Add Fade without Quality Loss
Convertly Audio applies fades with professional audio precision, without recompressing the rest of the file. Original quality, bitrate, and format (MP3, WAV, FLAC, OGG, AAC, M4A) are 100% preserved.
Add Fade In & Fade Out for Free
No registration, no installation. Convertly Audio's fade tool is 100% free and works in any browser. Add fade in, fade out, or both to as many audio files as you need.
Precisely Customize Fade Durations
Define the exact fade in and fade out durations in seconds, with different curves (linear, logarithmic, exponential, S-curve, reversed S-curve). Ideal for smooth, professional transitions between tracks.
Professional Audio Fades Locally
Processing happens directly in your browser via FFmpeg WebAssembly. Your audio files are never sent to a server, guaranteeing total privacy and fast execution.
Add fades to MP3, WAV, AAC online
Our audio crossfade tool works with MP3, WAV, AAC, FLAC, OGG, and M4A. Create smooth, professional transitions for your music, podcasts, voice-overs, and soundtracks in seconds.
Supported audio formats
How to use this tool
1Step 1
Upload your audio file
2Step 2
Configure fade durations
3Step 3
Download with transitions
Guaranteed privacy
Processing done locally. Your audio files stay on your device.