Compress video on Mac and keep your source

Short answer

To compress video on Mac, try QuickTime Player's export options first. A lower-resolution copy can be easier to share. Yuzu Drag processes MOV and MP4 files from Finder with Same, 1080p, 720p and 480p options, and saves compressed copies as MP4. Check the actual output size and playback; resolution alone does not determine the final bytes.

Shortcut note: These steps use the default drag shortcuts. While holding the files, briefly press and release ⌘ for Tools; tap it again for Actions. ⇧ opens Convert. If you changed the shortcuts in Yuzu, use your configured keys instead.

Yuzu keeps a compressed movie only if it is smaller than the source. Otherwise it reports Already optimized and does not save a redundant copy. Read the job result before treating a missing output as an error.

Neither a resolution choice nor a filename tells you the final size in advance. Check the saved movie in Finder, play it, and keep the original until you know the copy meets the recipient's needs.

Built-in macOS method: QuickTime Player

1. Open the movie in QuickTime Player.
2. Choose File > Export As.
3. Select an available resolution suitable for the destination.
4. Save under a different name or in a delivery folder.
5. Play the saved movie and check its size in Finder.

The choices available depend on the source and your system. Start with a resolution close to what the recipient actually needs. A small preview in a chat does not necessarily need the same dimensions as a video intended for a large screen.

QuickTime is a good option for one movie, especially when you want to inspect it before exporting. If an export offers a compatibility choice, consider the receiving device rather than choosing an unfamiliar option only because it sounds more efficient. Test the resulting movie on the intended destination when possible.

Finder's archive command is not a substitute for re-encoding a movie. Video is often already compressed, and a website that requests a video upload generally expects the movie itself rather than a packaged archive. Read the receiving service's rules for format and size before doing extra work.

Compress through Yuzu Drag

1. Select a MOV or MP4 file in Finder and begin dragging it.
2. Tap ⌘ to open Tools.
3. Drop on COMPRESS.
4. In Compress video, choose Same, 1080p, 720p or 480p.
5. Choose Compress, then wait for the job to finish.
6. Open the saved output and check it before sending it.

Same refers to the resolution choice, not a promise to preserve every property or every visible detail. Compression re-encodes the movie. A lower resolution can be appropriate for a simple clip, but it can make small interface labels and fine patterns less readable.

The video tool does not expose a target-size entry like image compression does. If your upload has a strict byte limit, test an output and compare its actual size with that limit. Do not claim that selecting 720p will always produce a file under a particular budget.

Choose a useful resolution

Begin with the viewing context. A quick update watched on a small screen has different needs from a detailed demonstration shown during a presentation. If the clip contains small text, preserve enough resolution for the viewer to read it without guessing.

For a first test, choose the least aggressive setting that might meet your delivery requirement. Inspect that output before moving to a smaller one. Make each new attempt from the original rather than compressing an already compressed copy repeatedly; repeated encoding can add visible degradation.

Motion matters too. Check a moving section, not just a still opening frame. Look for blocky areas, smeared detail or text that becomes difficult to read while the screen moves. Listen to the output as well so you do not overlook a playback problem while concentrating on the picture.

A practical delivery check

Suppose you need to send a screen recording to a colleague. Keep the source recording in its original folder. Make a compressed delivery copy, then play the beginning, a detailed section in the middle and the end. Confirm that the movie is complete and that the important labels are legible.

Next, check the file size and try the destination's upload. If it rejects the copy, distinguish a size error from a format or playback error. A smaller movie will not fix a service that does not accept the file, and a successful upload does not establish that the viewer can read it.

No reduction ratio is provided here because duration, picture content and source encoding affect the result. Two movies with the same dimensions can produce very different file sizes.

Limits, privacy and related tasks

Yuzu's video compression supports MOV and MP4 inputs, with codec availability dependent on macOS. A filename extension does not prove that every stream inside a file is decodable on your system. If processing fails, read the job error and check whether the source plays normally before trying another setting.

Compression runs locally and creates output without replacing the source movie. Sending that output to a service is a separate step. Review any confidential screen content before sharing; reducing file size does not remove information visible in the recording.

See the video tools hub for supported video tasks. If your attachment is a still image instead, use the image compression guide. Download Yuzu Drag to use the repeated Finder workflow.

Browse all Yuzu tools for the complete task index.