iMovie Not Recognizing MP4 Files- A quick fix

Summary: Can’t successfully add MP4 videos to iMovie? This tutorial just aims to solve iMovie won’t import MP4 issue. Learn the details.

I've looked all over different forums and the internet and can't seem to find an easy solution to importing MP4 to iMovie. I have 10+ short MP4 clips for editing in iMovie program, but iMovie won’t recognize some of these MP4 files. Is there a simple way to add multiple MP4 videos into iMovie for smooth editing?

After days constant searching, I finally got some clues. The reason of iMovie won't import MP4 in timeline, is iMovie supports some MP4 files, but not all. Based on iMovie supported file format list, it only accepts MPEG-4 and H.264 encoded MP4 videos, others are not. Actually, MP4 is a container format encoded with many different video and audio codecs: DivX, Xvid, H.264, H.263, MPEG-4, AC3, WMA, AAC, etc. If the MP4 video is encoded with iMovie unsupported video or audio codec, iMovie will not read it. To edit MP4 in iMovie, you will need to convert MP4 to iMovie preferred codec. I was recommended to use a great MP4 to iMovie Converter- Brorsoft Video Converter for Mac to help finish the task.

Overall, this Mac video converter is clean and safe to install and use. And only with barely several mouse clicks, you can get the whole job done. Besides MP4, it can also transcode more video file formats like MTS, MXF, M4V, AVI, MKV to iMovie most compatible Apple InterMediate Codec .mov without any quality loss. Now just download its free trail version and follow the below guide to convert .MP4 files to edit in iMovie 08/09/11 smoothly.

How to Convert MP4 and Import MP4 to iMovie

Step 1: Load MP4 files to the program

Launch the MP4 to iMovie Converter and click "Add File" button to locate the .mp4 file(s) you want to add. Check the "Merge into one file" box, you can join several .mp4 clips together if necessary.

Step 2: Select the output format

Click Format bar and you can choose iMovie/FCE -- > Apple InterMediate Codec(AIC) (*.mov) as the output format. You can also click the "Settings" icon to customize the video/audio settings including the Bitrate of Video and Audio, Audio, Video Size, Sample Rate, Frame Rate, Audio Channels, etc for iMovie

Step 3: Start MP4 to iMovie conversion

After all the necessary setting have been done, click "Convert" button to start transcoding MP4 to AIC .mov. After the conversion, click "Open" to locate the result videos.

Step 4: Imported converted MP4 into iMovie

Finally, launch iMovie. In iMovie, go to the File menu, choose Import > Movies, and then navigate to the folder that your output MP4 files are saved. Select the files and click "Import". You’re done.

Learn more:

Guide: Fast convert WMV to the Apple TV 4/3/2
How can i Play MKV file on a Philips TV by USB
How to Open MP4 files in Windows Movie Maker
[How-to]: Transocde MP4 video to AIC for iMovie
How to Import and Convert MP4 to Final Cut Pro X
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Convert MOV to Sony Bravia TV compatible format
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