main ui


VMac for OS X is a simple yet powerful video converter which can import most any video format and will convert to:


H.264 - main, high, high422 & high444 profiles

ProRes- LT, STD, HQ & 444 plus proxy format

DNxHR - LB, SQ, HQ & 444

MJPEG - 28Mb, 50Mb, 100Mb & 220Mb

PNG 24-bit Image Sequences

DPX 30-bit Image Sequences

TIF 48-bit Image Sequences


Additionally, VMac can convert clip audio tracks to:


AAC - 128k, 192k, 384k, 448k

ALAC - Apple Lossless

AC3 - 128k, 192k, 384k, 448k

PCM WAV - 44.1k 16-bit, 44.1k 24-bit, 48k 16-bit, 48k 24-bit


VMac also provides Wrap to MOV with aspect ratio correction and audio codec selection


Use the Clip Welder to join together all clips in the playlist into a single video

Works for joining spanned clips or for creating a quick demo reel

Access the Clip Welder via the Playlist right-click menu


VMac uses ffmpeg for all video processing



Download the VMac installer from here

VMac ships as a trial version with a limitation of 250 frames per conversion

To purchase a license key and unlock the full functionality please visit this page

Please be sure to test VMac in trial mode before purchasing!

Once downloaded, double-click the VMac-1.0.dmg file to extract the disc image and open the installer




Simply drag the icon into the Applications folder

You can then close the installer window and eject the VMac disc image
There will be a new VMac icon in your Launchpad and also in your Applications directory


VMac icon


VMac requires ffmpeg

Download the ffmpeg installer script available here which will create the appropriate directory structure and will place

ffmpeg and additional tools into /usr/local/bin with appropriate permissions automatically


Once downloaded, open a Terminal window (Launchpad / Others / Terminal) and copy / paste in the following


chmod 755 ~/Downloads/install-tools


...and hit Enter - this makes the install-tools script executable

You can now close the Terminal window


Next, open a Finder window and navigate to your Downloads directory

Right-click install-tools and select Open

You will see the dialog below


Open file warning


Select Open to continue

A new Terminal window will open automatically

install files


At the prompt Install files? - type y and hit Enter

You will then be prompted for your login password - needed to copy ffmpeg to the PATH

The tools will install into /usr/local/bin


If you are comfortable with the command line and prefer to install ffmpeg to an alternate location

you can download a recent ffmpeg binary for Mac from here

Be sure that ffmpeg is executable (i.e. - chmod 755 ffmpeg)


Once ffmpeg is installed, open a new Finder window and navigate to your Applications directory

Locate the and right-click select Open

As VMac is not delivered via the App Store, you will seethe following message


App store warning


Select Open to continue

At first run the VMac Preferences dialog will appear


home configuration

Click the text field to open the folder search directory and navigate to the ffmpeg directory

If you installed ffmpeg using install-tools as above, set the path to /usr/local/bin

Once selected you can close the Preferences dialog - your selection will be saved for future sessions

You may change the location of the ffmpeg directory at any time


ffmpeg home directory

Selecting /usr/local/bin directory as ffmpeg executable location


VMac runs in trial mode until licensed - please test in trial mode before making a purchase!

To unlock the full functionality of VMac:

Purchase a license key securely through PayPal here

Once you receive your license key via email right-click the VMac main interface and select Enter License Key

The license dialog opens with your Mac Serial Number listed in the top text field


license dialog


Click the Request License Key button to open a web browser to the License Key Request page

Enter the Mac Serial Number, your PayPal email address and your full name in the text fields provided

Once submitted your license key will be sent via email

Command+C copy and Command+V paste the license key into the dialog and click Enter License Key

You should then see "License Key Accepted"


license accepted


VMac is ready to go!

Right-click to bring up the main menu

To process a single video clip, select Import Video Clip

A view of the video is presented in the main interface


Use the drop-downs and sliders to adjust the following conversion parameters


Video Codec and Quality

Audio Codec and Quality

Output Resolution

Cropping / Aspect Ratio

Speed change or FPS change

Add 3D LUT or Photoshop Curve


Right-click to load in a 3D LUT or Photoshop curve

Use the check boxes to apply the effects

To process multiple video clips as a batch select Open Playlist

An empty Video Clip Playlist opens - right-click to Add Video Clips




Click on a filename in the Playlist to open the video clip in the main interface

If Convert Playlist is not checked, click Convert! to process only the selected video clip


To begin a batch conversion, first setup the conversion parameters in the main interface

Next, be sure that Convert Playlist is checked

Click Convert to begin processing

Each clip will show in the viewer as the batch process progresses

The process ID of the current conversion is shown in green while the conversion is in progress

When the operation completes the label will change to Ready!

Click Cancel at any time to terminate the currently running conversion

Un-check Convert Playlist and click Cancel to terminate entire playlist batch conversion



Right-click to open the Progress Monitor - shows job status and playlist progress


progress monitor

Right-click to select Open Video Scopes
The scopes will follow the current clip scrubbing and will refresh once the scrub slider is released

Use the Scrub Video slider to advance to individual frames in the clip


scrub slider




Right-click the VMac main interface to select Clip Info

The Clip Info window will open with information related to the video clip currently selected


Clip Info



Click the camera icon to save a PNG image of the current frame

You can use the captured frame in Adobe Photoshop to create a custom curve

to color grade an entire playlist or individual clips

image grab



If the source video contains timecode, VMac will pass that timecode along to the converted clip

Timecode is visible at the bottom of the VMac main interface



Use the Clip Welder to join all clips in the Playlist together into a single clip

Right-click in the Playlist and select Clip Welder

Set the directory and output file name in the Save dialog

The weld process begins automatically

Great for joining spanned clips or putting together a quick demo


Copyright © 2017 - W. Norton