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Sometimes, you need to combine MP3 files into a large file. For example, when you rip an audiobook CD to your computer, you usually rip it track by track. Having multiple MP3 tracks may be inconvenient especially when you want to import to other portable mp3 players like iPod. Instead of playing individual MP3 tracks, you can merge all MP3 files into one single file without any gaps.

To merge MP3 seamlessly on Mac, a third-party tool is indispensable for you: MP3 joiner Mac. You can use it to combine two or several MP3 files into a big one effortlessly, and arrange them according to the order you want it to be. The following will describe how to do it step by step (Mountain Lion supported).

Step 1: Import MP3 files to this Mac MP3 joiner (Mountain Lion supported)

After installing and running this app, you need to import MP3 files. This app allows you to load several files at a time, so you can drag and drop all of your MP3 files you want to join in one go. Or go to File” menu and choose Load Media Files” option to add all mp3 files.

Step 2: Merge MP3 Mac in order

Drag your MP3 files up and down, you can rearrange the order. To delete them, just drag files out of the MP3 joiner software.

When they're in good order, please switch the Merge button on at the bottom of the program window to merge all of them seamlessly into a big MP3 file. Below is the screenshot, you'll see all the files will be connected with a chain.

Note: This app provides you more editing functions like trimming, cropping, rotating, adding subtitles, watermark, etc.

Step 3: output a continuous MP3 file

click the Format icon to open the dropdown format menu from the pop-up format window, and then move your mouse cursor to the Audio” category to select mp3. After that, hit the Convert button in the lower-right corner of this mp3 merger Mac to combine multiple MP3 files into one. How long the process lasts will completely the size of all your MP3 files and the performance of your Mac computer.

Note: If you want to find the new big MP3 files as soon as the merge process is done, you can set the output folder. To do this, you can click Output at the bottom left of the program window and pick up your option.