Bring your file.
Drag it onto Smally, open it with Smally from Finder, or choose Compress with Smally from the Services menu. There is no setting to pick.
Available for Mac · MP4 · MOV · M4V
Compress video on your Mac
Drop an MP4, MOV or M4V, including iPhone 4K clips, and Smally for Mac makes a lighter copy for chat and social with x264. Your video never leaves your Mac.
Download for Mac No account required.
Not on a Mac? Smally for Mac runs on Apple silicon with macOS 26 or later.
Apple silicon · macOS 26+
Version & checksum
For JPEG, PNG and WebP images: Compress images in your browser
- birthday-clip.movfrom 182 MB41 MB−77%Save
Drop. Check. Keep.
Have a look.
See the new size in the row and compare the copy with its original before you keep it.
Keep the lighter copy.
Save puts it next to the original, named like photo-smally. Smally never replaces your original or any file already there.
What Smally makes
A copy for sharing: H.264 video made with x264, up to 1080p and 30 frames a second, so a 4K iPhone clip becomes a 1080p copy. The HDR an iPhone records (HLG) is converted so the colours look right on any screen.
A copy is kept only when it is at least 10% lighter than the original. Videos can be up to 8 GB.
Check it before you send it
- Video copies are made for sharing, so they can look a little different from the original. Play the video next to its copy, or step through it a frame at a time, before you rely on one.
- Save puts the copy next to the original. Smally never replaces your video.
What it skips
- Some videos are skipped, with the reason: protected files, slow motion, HDR10 and Dolby Vision profile 5, other wide-colour video, and clips with more than one video track.
Why not in the browser
Video needs the app, on your Mac. The browser version at /compress/ is for JPEG, PNG and WebP images.
Quick facts
| This kind of file | Smally in the browser | Smally for Mac |
|---|---|---|
| What it takes | Not video: the row says Smally for Mac takes it, and nothing is uploaded | MP4, MOV and M4V, up to 8 GB |
| What it makes | Nothing: video needs the app | An H.264 copy for sharing, up to 1080p and 30 frames a second, made with x264 |
| What stays | The video, untouched | The original; the HDR an iPhone records (HLG) is converted |
| Per batch | Not handled here | Up to 50 files at a time |
| Where it is processed | In this tab, on your device. Nothing is uploaded | On your Mac. Nothing is uploaded |
| When the original is kept | Always: video is not handled here | A copy would not be at least 10% lighter, or the video is a skipped kind |
Questions
Does Smally upload my video?
No. Smally for Mac compresses on your Mac, and your files never leave it.
Can it shrink a 4K iPhone video?
Yes. The copy is H.264 at up to 1080p and 30 frames a second, made for chat and social. A 4K clip becomes a 1080p copy.
Will the copy look the same?
It can look a little different, because it is made for sharing. Compare it with the original in Preview, side by side or frame by frame, before you use it.
What is x264?
The encoder that makes the copy, a separate program included in Smally under the GPL. Its source code is at downloads.meetsmally.com/source/x264-0.165.3222.
Why was my video skipped?
Protected files, slow motion, HDR10 and Dolby Vision profile 5, other wide-colour video and clips with more than one video track are skipped, and the row says why.
Compress video on your Mac
Download for MacFor Mac. No account required.