If you’ve ever tried adding an Olympic video to iMovie, you likely know it doesn’t always work seamlessly. The format might not be compatible, or the file size could be too large. You drop it into iMovie, and nothing happens, or worse, you encounter an error. The good news is there are several reliable ways to overcome these hurdles. Whether you downloaded the footage from a legal broadcaster or recorded it yourself, converting it into an iMovie- friendly format is easier than you might think, as long as you know which method to use.
If you have the video file on your Mac, the first tool to check is QuickTime Player. It’s built into macOS, requiring no downloads or sign-ups. However, not everyone knows it can export files into a format iMovie likes.
Open the video with QuickTime. From the top menu, select “File” and then “Export As.” You’ll see options like 480p, 720p, 1080p, and sometimes 4K. Opt for 1080p for the best balance between quality and compatibility. Save it as an .mp4 file if possible, and iMovie will accept it without issues. Most Olympic footage is high-res, so this method helps reduce file size without compromising quality.
Sometimes you’re dealing with a video in a format that QuickTime doesn’t recognize—like an MKV file or one with an unusual codec. HandBrake is a free, open-source tool that can convert almost any video into something simpler, like MP4 with an H.264 codec, which works smoothly with iMovie.
When you open the file in HandBrake, you’ll see many options, but you don’t need to tweak much. Under “Format,” choose “MP4.” Under “Video Codec,” select “H.264.” For audio, leave it as AAC unless you need something different. You can adjust the resolution if needed, though keeping the original usually works fine. Export it, and the resulting file should drop right into iMovie without issues.
VLC isn’t just a player—it can convert videos too. If you already have it installed, there’s no reason not to try it. Start VLC, head to the “File” menu, then select “Convert/Stream.” Drop in the Olympic video and pick a target format—again, MP4 with H.264 is a safe bet.
In the “Choose Profile” section, there’s usually a pre-built “Video – H.264 + MP3 (MP4)” profile. Select that. Set your destination file and click “Save.” The conversion might take a few minutes, depending on the video’s length and resolution, but the output file will typically be iMovie-ready. This method is useful if the file won’t even open in QuickTime.
If you recorded the Olympic video using an iPhone or iPad, it may already be in the correct format but just not in the right location. Instead of dragging the file from Finder, go into iMovie and use the “Import Media” option. Then, go to your Photos Library inside that window. If iCloud syncing is turned on, the video might already be there, especially if you recorded it on another Apple device.
Click on the video and import it directly into your project. This method skips the conversion altogether and relies on iMovie’s built-in support for videos captured within the Apple ecosystem. It’s fast and keeps the original resolution intact.
This isn’t for everyone, but if you’re comfortable using Terminal, you can sometimes fix format issues by simply changing the video’s container without re-encoding the whole thing. This trick works when the video uses a codec that iMovie supports (like H.264) but is wrapped in an unfamiliar container like .mkv or .ts.
Use a command like this:
ffmpeg -i input.mkv -c copy output.mp4
This doesn’t convert the actual video—it just moves it into a new wrapper that iMovie understands. You’ll need FFmpeg installed, which you can do via Homebrew. It’s lightning-fast and preserves quality, but if your video uses a codec iMovie doesn’t support, this won’t help. Only use this if you know what’s inside the file.
If you own Apple Compressor, you can perform professional-grade conversions with fine control over everything—frame rate, resolution, audio tracks, file size, and more. Import the Olympic video into Compressor, choose a setting like “Apple Devices 1080p” or a custom H.264 preset, and export.
The compressor is best used when you need to trim or batch-process videos alongside converting. It’s overkill for a one-off conversion, but if you’re working on a series of Olympic highlights or need broadcast-quality output for another platform after editing in iMovie, this is a solid route.
There are plenty of online tools like CloudConvert or Zamzar that let you convert videos directly in your browser. Drag the video in, choose MP4 as the output, and download the result. These can work well for short videos or when you’re away from your usual computer setup.
The downsides: upload times can be long for large files, and some platforms place limits on resolution or file size. You’ll also want to avoid uploading anything sensitive since you’re trusting a third-party server. Still, for quick tasks or older Mac setups, it’s an option that doesn’t require downloads or advanced setup.
There’s no one-size-fits-all answer for converting Olympic video to iMovie on Mac, but there are enough reliable methods that you’re never stuck. Whether you go with QuickTime for a fast fix, HandBrake for total control, or even Terminal if you know your way around codecs, there’s always a way to make it work. Choose the method that fits your file type, setup, and patience level—and once converted, iMovie will handle the rest just fine.
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