| Step 1 |
Click the Add
File(s) button  |
| Step 2 |
Navigate to where the
files you want to convert are and select them, then click Open.
This will
add them to the File List. You
can then add more files until all the files that you want to work with
are in the File List.
 |
| Step 3 |
Set your Target Volume in Decibels (dB) in the Target
"Normal" Volume field, or leave it at the default of
89.0.
 |
| Step 4 |
Click the Track
Analysis button 
MP3Gain will analyze the files and report on their current volume level as well as the change required to meet the target volume. Make note of the mp3's original volume level (the value under the Volume column) if you want to modify the volume setting back to its original value.
 |
| Step 5 |
Click the Track
Gain button 
This will modify the files with the volume settings you chose for Target "Normal" Volume. |
| Step 6 | Listen to your new mp3s. If they sound too loud or quiet, adjust the Target Volume setting and click Track Gain again. |