You can add a custom "Preset" to make it 44100 or lower (don't go lower). If the M4A is 48000, this will default to making the MP3 at 48000. If the M4A bitrate is higher than 320kbps, you should choose 320kbps for the MP3, which is the maximum for the MP3 standard and will keep as much quality as possible.Īlso M4A is usually sampled at 48000 while most MP3s are sampled at 44100 like CDs. Where it shows "Optimal" it uses 256kbps or the lower rate of the original if the original is lower. Then, it will show you the sample rate and bitrate of the M4A, and has several choices for which MP3 bitrate to convert to. It's just installing two different parts, so let each installation install. ![]() Tap on the CONVERT button and tick the Notify me when it is finished option.Probably the easiest free one is FreemakeįREE Audio Converter | MP3 Music Converter by Freemakeīe careful as its current installation (I just tried) appears to install twice - that is, it installs then appears to start a second installation. Click the gear icon to modify the audio encoder, channel rate, sample rate, and bitrate. Click Choose Files to import your local MP3 file, or you can add the file from Dropbox or Google Drive. Visit media.io on the browser of your device. Below is how to convert MP3 to M4B online. It can help you convert MP3 to M4B without installing any third-party software. It is a free and reliable MP3 to M4B online converter that is capable of handling 100+ video, audio, and image file formats. Have you ever thought of converting MP3 to M4B online? Media.io can help you do that. Once the conversion is finished, switch to the Converted tab and click Show in folder to check the M4B file. Tap on the Convert button to start the MP3 to M4B conversion. Click the Edit icon to set parameters for the output M4B file. Click the diagonal arrow under Target, select the Audio tab, and set M4B as the output format. Launch this freeware and click the Add Files button to upload your MP3 file. ![]() Hit the Download button below to get MiniTool Video Converter installed on your Windows. Here is how to use this free MP3 to M4B converter. And it provides you with customizable output presets, optional output quality, fast conversion speed, and batch processing. It is a completely free video and audio converter that supports all popular video and audio formats. When it comes to changing the audio format, MiniTool Video Converter should be your first choice. Convert Audio Format MiniTool Video Converter Then you can enjoy the M4B file.Īlso read: How to Convert FLAC to M4A in 2021 Method 2. Right-click on the target MP3 file and select the Rename option. Click the View tab and enable the File name extensions option. Open File Explorer and navigate to the folder containing the MP3 file. Let us see the detailed guide on how to convert MP3 to M4B for free by changing the file extension. Please keep in mind that there is no guarantee that the file will run properly on your PC. On This Page :Ĭonverting MP3 to M4B by changing the file extension is the easiest way. How to convert MP3 to M4B for free? Here are 2 kinds of methods you can try - changing the file extension manually or converting the file formats with professional audio converters, such as MiniTool Video Converter. ![]() As we all know, M4B is a MPEG-4 file extension that is used for storing audiobooks on iTunes.
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