Following the release of macOS 10.13 High Sierra on Monday, Apple has updated its consumer level video editing tool, iMovie with support for importing HEVC files like 4K content captured on iPhone 8/8 Plus/X directly into it for editing. When the editing is finished, some people try to encode the output in HEVC format, however, what they get is still the H.264 codec.
Save H.265 from iMovie with third-party video encoding app
For those people who insist on saving iMovie editing project to H.265, before iMovie updates for direct exporting in HEVC, the workable solution for you is to first output iMovie project to H.264 codec, then use a third-party H.265 encoder application to transcode iMovie H.264 video to HEVC. The following part will show you how to complete the job step by step.
Export iMovie project to H.264
From the File menu in iMovie choose “Share.” When the share list comes up choose Expert settings and hit Share. In the Save dialog box choose “Export Movie to MPEG-4″ and then hit the Options button right next to the list. Go to the Video Format list and choose H.264. When you hit OK and choose your location it will save a Quicktime movie in H.264 format.
Transcode iMovie H.264 to H.265
After you’ve got a H.264 video from iMovie, you can then proceed to the next step: encode iMovie H.264 to H.265. If you are looking for a simple yet powerful application to complete the encoding process, we highly recommend Pavtube iMedia Converter for Mac to you. The program has full importing support iMovie H.264 project, thanks to its batch conversion mode, you can load multiple video into the application at one time for conversion to save your precious time.
The program can assist you to encode iMovie H.264 to H.265 in either HD or 4K resolution with the container file format of MKV or MP4. You can also get better output file quality by flexibly adjusting output video codec, bit rate, frame rate, channels or audio codec, bit rate, sample rate or channels, etc.
Pavtube iMedia Converter for Mac is pretty simple to use, no matter experienced user or fresh could handle it very well. In addition, it has perfect compatibility with the new macOS High Sierra, macOS Sierra, Mac OS X El Capitan, Mac OS X Yosemite and Mac OS X Mavericks, etc.
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Step by Step to Export iMovie Project to H.265
Step 1: Load iMovie exported H.264 video.
Download the free trial version of the program. Launch it on your computer. Click “File” menu and select “Add Video/Audio” or click the “Add Video” button on the top tool bar to import iMovie exported H.264 video into the program.
Step 2: Define the output format.
Clicking the Format bar, from its drop-down list, select your desired H.265 file format to output, here we choose to export 4K H.265 by following “H.265 MP4 Video(*.mp4)” under “Common Video” main category.
Tips: Click “Settings” on the main interface to open “Profile Settings” window, here, you can flexibly choose or specify exactly the profile parameters including video codec, resolution, bit rate, frame rate, audio codec, bit rate, sample rate, channels, etc as you like to get better output video and audio quality.
Step 3: Start the final conversion process.
After all setting is completed, hit the “Convert” button at the right bottom of the main interface to begin iMovie H.264 to H.265 codec encoding process.
When the conversion is finished, click “Open Output Folder” icon on the main interface to open the folder with generated files. The you will get a H.265 codec from iMovie.