Audio Fade In / Fade Out

Choose fade lengths and curve type, preview the timing, and export a processed WAV without uploading the source.

Choose audio file

Fade in (seconds)

Fade out (seconds)

Curve

Choose an audio fileFade lengths are limited to the loaded clip duration.

How to use this Audio Fade In / Fade Out

Add smooth fade-in and fade-out envelopes to an audio file in your browser. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.