Audio Fade In / Out
Add smooth fade-in and fade-out to any audio clip. 100% in your browser —no uploads needed.
Drop your audio file here
or click to browse
100% Private
Files never leave your device
Adjustable Fade
Powered by Web Audio API
Lossless WAV
Uncompressed PCM audio
How It Works
Three simple steps —everything happens in your browser.
Upload audio file
Drag and drop or click to select your audio file from your device.
Set fade lengths
Use the sliders to choose how many seconds to fade in and fade out.
Download WAV
Download your faded WAV file immediately. No quality loss, no waiting.
Why choose Ercc Audio Fade?
100% Private —No Server Uploads
Your audio files never leave your device. All fading uses the Web Audio API locally in your browser.
Smooth, Clean Transitions
Fade in from silence and fade out to silence for professional-sounding intros, outros, and mixes.
Lossless WAV Output
Get uncompressed PCM 16-bit WAV audio —ready for any editor or DAW.
Pro Tips
- ●Add a short fade-out to avoid harsh clicks when a clip ends abruptly.
- ●Fade-in is perfect for podcast intros and gentle song openings.
- ●Set both sliders to 0 to keep the original audio untouched.
Frequently Asked Questions
No. All processing happens 100% in your browser using the Web Audio API. Your file never leaves your device, ensuring complete privacy and security.
Fade in gradually raises the volume from silence at the start; fade out gradually lowers it to silence at the end. Ideal for clean transitions.
The faded audio is exported as an uncompressed PCM 16-bit WAV file at the same sample rate as the original.
Yes. Use the two sliders to set fade-in and fade-out duration independently, from 0 to 10 seconds each.
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