Here's how: With iTunes open, navigate to the Edit > Preferences menu in Windows, or iTunes > Preferences on a Mac. With the General tab selected, choose Import Settings . Next to the Import Using drop-down menu, choose MP3 Encoder . Select OK a couple of times to exit the settings windows. Import Your Video: Click “Media>Convert/Save” on the menu bar and on the new window stay at the “File” section and upload the video you want to convert by clicking on the “+Add '' button. Choose Audio Format: In the "Convert" window, select the audio format you want (e.g., MP3, AAC) from the Profile dropdown menu. Introduction. This free tool can help you increase or decrease the volume of MP3 audio. If the volume of your MP3 music is very light, it can make the sound louder, conversely, if volume is loud, it can make the sound lighter. With the "Volume" option, you can change your audio volume by percentage (such as 50%, 100% and more) or by decibels Once you install and run it, click on File, then Add and then Add files. Next, click on Options and click on General Settings. Here the main setting is the encoder. By default, it is the LAME MP3 Encoder, which you can use to convert other audio formats into MP3 format. Use this tool on popular melodies to find new, potentially better ones and get inspired. Here is an example where the melody of Avicii's song Levels got reversed and then edited into a new song. This free online tool will reverse your audio file making it play backwards. Useful for creating sound effects or finding hidden messages. (MP3, WAV Create. Log in to your Roblox account. Click Create in the blue bar at the top of the screen. Click on Audio. Click Browse and select an audio file. Once selected, click on the "Upload" button. The Rev Online Voice Recorder is a completely private, and easy to use free tool which you can use to record audio, download MP3s, and transcribe speech to text. The Online Voice Recorder is a free online tool that uses your computer or phone microphone to record sound right in your browser. Download an MP3 and get a free transcription of the The minimal interface contains nothing more than a button labelled ‘MS Word to AudioDoc’. When you click this button, the app lets you browse your computer for supported MS Word files that you want to convert into audio, by clicking Browse in the proceeding window. After selecting the source file, you can specify the TTS (Text-To-Speech fiUC2T.