Precise timing
Set independent fade-in and fade-out durations.
Browser audio editor
Fade Audio Online
Local processingNo uploadMediabunny
Add precise fade-in and fade-out timing to audio, preview the result, and export it locally.
Source audio
Choose a file
Set independent fade-in and fade-out durations. Each fade is limited to half the track or 10 seconds.
Fade in1s
Fade out1s
Smooth reduces abrupt changes near each end.
Compact audio for sharing.
How it works
Three steps to finish the browser workflow.
Choose audio
Add precise fade-in and fade-out timing to audio, preview the result, and export it locally.
Apply fades
The browser applies a continuous gain envelope to decoded audio samples, then Mediabunny exports a new file.
Preview and Download
Check the finished result, then download the exported file.
Everything you need
Core details about privacy, browser support, output, and practical limits before you start.
Two fade curves
Choose a direct linear fade or a gentler smooth curve.
Local audio export
Export MP3, WAV, or M4A without uploading the source.
Frequently asked questions
Find quick answers about privacy, browser support, exports, and what to try when a file is heavy.
Related tools
Continue editing with nearby ArtPlayer tools that work with the same local, browser-first workflow.
