Audio Fade In/Out

About Audio Fade In/Out

This online audio fade tool allows you to add smooth fade in and fade out effects to your audio files directly in your browser. Fade in makes audio gradually increase from silence at the start, while fade out makes it gradually decrease to silence at the end. Perfect for creating professional-sounding audio with smooth transitions.

What audio formats are supported?

Input: MP3, WAV, OGG, AAC, M4A, and other common formats. Output: You can choose to keep the same format as input or convert to MP3, WAV, OGG, or AAC.

What is Fade In?

Fade In gradually increases the audio volume from silence (0%) to full volume (100%) over the duration you specify at the beginning of the audio. This creates a smooth entrance instead of an abrupt start.

What is Fade Out?

Fade Out gradually decreases the audio volume from full volume (100%) to silence (0%) over the duration you specify at the end of the audio. This creates a smooth exit instead of an abrupt stop.

Can I use both Fade In and Fade Out?

Yes! You can apply both effects at the same time. Simply enable both checkboxes and set the desired duration for each. The tool will ensure the total fade duration doesn't exceed the audio length.

How long should the fade duration be?

Common fade durations are 2-5 seconds. For music, 3-5 seconds works well. For podcasts or voice recordings, 1-2 seconds is often sufficient. Longer fades (10 seconds) work for ambient music or dramatic effects.

What is the file size limit?

The maximum file size is 50MB. This ensures smooth processing in your browser. For larger audio files, consider using desktop audio editing software.

Can I preview before downloading?

Yes! You can listen to the original audio, then after applying fade effects, preview the processed audio with fade in/out before downloading.

Is my audio file safe?

Absolutely! All audio processing happens directly in your browser using FFmpeg.wasm (WebAssembly). Your audio file is never uploaded to any server. Everything stays private on your device.

Will fade effects affect audio quality?

The fade effects themselves don't reduce quality. However, the audio will be re-encoded based on your quality settings. Use 'High' (320kbps) to maintain excellent quality.

What are common uses for audio fade?

Fade effects are commonly used for: smooth music intros and outros, professional podcast beginnings and endings, video background music, audio loops for games, meditation and relaxation audio, and creating seamless audio transitions.