Step 1. Open FineCut and select the Change Volume feature.

Step 2. Adjust the volume level to your preference.

Step 3. Upload your audio files to FineCut.

Step 4. (Optional) Add fade-in and fade-out effects to your audio.

Step 5. Click the Process All button. Wait until the progress reaches 100%.

Step 6. Click Open Folder to view the exported files.