Video · Resize Video

Resize video resolution on Mac

Scale videos to a standard resolution.

Runs on your MacFFmpeg, one-click install

Three steps. That's it.

1
Drop your files
Drag files onto Resize Video, choose them with Choose Files, or right-click them in Finder.
2
Choose the options
Set what you need in the options panel, such as resolution. Your choices are remembered for next time.
3
Get the result
The result lands in a new dated folder in Downloads › OneMacTools. Your originals are never changed.

What Resize Video does

Scale videos to 4K, 1440p, 1080p, 720p, 480p or 360p while keeping their shape. Smaller resolutions mean smaller files and smoother playback on older devices.

Uses FFmpeg, which OneMacTools installs for you with one click through Homebrew.

Options

Resolution: 4K, 1440p, 1080p, 720p, 480p or 360p

Great for

Downscale 4K footage for editing on a laptop
Make a 720p version for slow connections
Match the resolution of other clips

Questions about Resize Video

Does Resize Video upload my files?

No. Resize Video runs entirely on your Mac, so your files never leave it and it works offline.

Will Resize Video change my original files?

No. Results are saved as new files in a dated folder in Downloads › OneMacTools, and your originals are left exactly as they were unless you turn on an option that says otherwise.

What does Resize Video need?

macOS 26 or later and FFmpeg, which OneMacTools can install for you through Homebrew with one click.