How to Convert AAC to MP4 Handily?

Method 1 - Free Desktop AAC to MP4 Converter

Free HD Video Converter Factory is a 100% free and multi-purpose video/audio processor that I highly recommend. The well-designed layout and intuitive interface make it obstacle-free for green hands to convert AAC to MP4 with great ease. Thanks to the rich built-in encoders, you can virtually implement the fast conversion between any video and audio format.

DownloadDownload this free AAC to MP4 converter, let's see how it works to convert AAC to audio-only MP4 files.

Step 1. Run Free HD Video Converter Factory and open "Converter" option on the start-up interface.

Step 2. Drag and drop all AAC files to the blank space.

Step 3. Click the "Format" image to open the 500+ preset list. Go to "Video" category and select "MP4" profile directly.

Step 4. Choose a destination folder on the bottom and press "Run" button to start the AAC to MP4 conversion.

Optional. Before the conversion, you can open "Parameter settings" window to change some parameters like encoder, resolution, bit rate, frame rate, and so forth. This program even equips some basic editing features that enable you to trim, cut, merge, crop, flip, rotate, watermark, filter videos and even add AAC track to MP4. Moreover, the freeware also features a Downloader that allows you to download video and music files from YouTube, Vimeo, and 500+ popular websites.

Method 2 - Convert AAC to MP4 Online Free

There are many online video converters capable of converting AAC to audio-only MP4 without any software and plug-in required, such as Zamzar, FreeConverter, AnyConv, etc. Only a few clicks, et voila! Your MP4 file is available for download. I'll give you an example below.

Step 1. Open this webpage: https://video.online-convert.com/convert/aac-to-mp4

Step 2. Upload your AAC file from your PC, Dropbox, Google Drive or URL.

Step 3. After uploaded, click the "Gear" icon to make some advanced settings as you wish.

Step 4. Click "Convert To MP4" button to convert AAC to MP4 online.

Step 5. When the conversion is complete, download it to your PC or save it Dropbox or Google Drive.

Method 1 - Convert AAC to MP4 in Microsoft Photos APP

Windows 10/11 natively comes with a Photos app that allows you convert AAC to MP4 with image to create a one image music video. If you have no idea how to do that, just follow the instructions below.

Step 1. Right click on one image file and select "Create a new video" option in the context menu.

Step 2. Name your project, and drag your image from project library to storyboard.

Step 3. Underneath the preview window, click "Duration" and change it as long as your AAC file in seconds, e.g., input "123" seconds if the AAC file's duration is 2 min 3 s.

Step 4. Click "Custom audio" button in the top-right corner, add your AAC file. You're allowed to add multiple AAC files and severally clip the duration. Click "Done" to go back.

Step 5. Preview the video, and click "Finish video" button to convert AAC to MP4 with image.

Method 2 - Convert AAC to MP4 with Image Online

Step 1. Visit Voice2v website: https://voice2v.com/

Step 2. Click the music symbol to upload your AAC file.

Step 3. Click the image icon to upload your own background image or select one from the below library.

Step 4. Add effect, text or logo as you wish.

Step 5. Create a one image music video.

Step 6. Download the MP4 video to your PC.

That's all about how to convert AAC to MP4 for creating either an audio-only MP4 file or a one image music video. Hopefully, you'll benefit from this comprehensive guide. If you made it, just give it a thumbs-up and share the post through your social media. Thanks for reading!