How to convert GoPro Hero3+ MP4 to iMovie best format

Summary: What to do if iMovie refused opening your GoPro Hero3+ movies in MP4 recording format? In this post, we are going to introduce a workaround to make iMovie work with GoPro Hero3+ video by transcoding GoPro Hero3+ MP4 to Apple InterMediate Codec.

Hero3+ is one of the newest video cameras from GoPro, you may have bought this striking camcorder and recorded some exciting 4k videos, when you got the 1080/60p recordings from the GoPro Hero3+, what would you do with them? Most of the users would like to import GoPro Hero3+ files in Adobe Premiere, FCP, FCE, iMovie or some other common video editing programs.

While, a lot of users who try their effort to import GoPro Hero3+ MP4 files to iMovie, they found that the 1080p MP4 is not supported by iMovie for editing. This incompatibility makes so many users feel frustrated. Well, fortunately, here we’ve found the easy solution to load GoPro Hero3+ MP4 files to iMovie for editing natively.

If for some reason iMovie doesn’t work with GoPro Hero3+ MP4, we would recommend that you convert GoPro Hero3+ movies to an intermediate format such as Apple InterMediate Codec for editing with iMovie. Considering the ease of use and optimal output files for use in iMovie, we would recommend GoPro to iMovie Converter for Mac to do format conversion.

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Steps to convert GoPro Hero3+ MP4 to iMovie best format

Step 1. Add GoPro Hero3+ MP4 files
Run the best MP4 to iMovie Converter, and click the “Add” button to load Hero3+ .mp4 videos from different source. If you want to merge multiple clips just need to check the “Merge into one” box.



Step 2. Set iMovie supported format
Click “Format” bar to detemine output format, choose ‘Apple InterMediateCodec (AIC) (*.mov) as output format from ‘iMovie and Final Cut Express’ column.

Note: The AIC codec is also accepted by Final Cut Express and Final Cut Pro (HD 4.5 through 5), but rarely used in Final Cut Pro as of Version 6 since it now uses the ProRes codecs instead of the Apple Intermediate Codec.

Step 3. Click “Settings” to adjust audio and video parameters.
Click the “Settings” icon and then change the default codec, bit rate, frame rate, sample rate and audio channel to optimize the output file quality.



Step 4. Start convertsion
Click the “Convert” button, it will start convert GoPro Hero3+ MP4 in iMovie on Mac immediately. you can find the process in the “Conversion” interface. Once the GoPro Hero3+ MP4 to iMovie conversion is done, you can get the output files easily. Now, it’s easy for you to import and edit GoPro Hero3+ MP4 video in iMovie on Mac, just take a try now.

Useful Tips
To be able to transcode AVCHD, MTS, M2TS, M2T, MXF, GXF, TiVo, H.264 MOV, MKV, VOB, MPG, AVI, DVR-MS, VRO files and more to any formats you required, you may need HD Video Converter.