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Video Compressor Mac - Compress Video Files on Mac OS X or Windows

How to Compress AVCHD, MTS, ProRes, MOV, FLV, MP4, MOV, VOB, WMV?


Want to compress videos? Can't find the best video compressor? This article aims to introduce the best video compressor.

Why Need to Compress Videos?

When downloading videos from websites everyone likes to download video in high definition. However the high-definition videos often take huge space on the computer and go against transmission on the internet. So we need to compress the original videos and the key point is the compressed videos will not affect the ultimate video effect but delete the redundant information people barely sense. The most convenience is the compressed videos are easy to store in limited computer capacity.

iDealshare VideoGo is just the best video compressor you are looking for among all the video compressors. With iDealshare VideoGo you can not easily compress videos in formats like AVI, MKV, MP4, FLV, MPEG, VOB, MOV, WMV, 1080p, etc in high video quality but also can save the compressed video in other formats you like.

How to Compress Videos on Mac or Windows?

The following part will show you a detailed step by step guide on how to compress videos on Mac OS X; it also applies to compressing video files.

Make Preparation: Free download Video Compressor

Free download the professional video compressor - iDealshare VideoGo(for Mac , for Windows),install and run it, the following interface will pop up.

Video Compressor for Mac

Step 1Add videos

Click "Add File" button to add the videos you want to compress to smaller file size to the Video Compressor Mac version.

Step 2 Set the file size of compressing videos

There are three methods to compress video files:

Method 1: Compress video by set the output video format to MP4

Click "Profile" drop down button to select H.264/MPEG-4 AVC Video(*mp4) from the "General Video" category.

Compress Video on Mac - Method 1


  • This method can be used when your mobile devices, media players can support to play H.264 MP4. Or the compressed video is to upload Vimeo, YouTube, etc or as attachment sent by email.
  • This method can compress the video to relative smaller volume at the same time with high video quality.
  • If you want much smaller video you should try Method 2 or Method 3

Method 2: Compress videos by setting the video bitrate

Click "Setting..." button, and then click "Advanced" button in the following "Advanced Settings" interface, and then choose the parameter from the drop-down list of the right side of "Bitrate" or just enter parameter as your need. Then click "Apply To All" and "OK".

Compress Videos


  • You can also choose the output video format by clicking "Profile" button or save the video format same as the original.
  • This method can get you the compressed video as smaller as you want.
  • Everything has a balance, so is compressing videos. Compressing videos is exactly to get rid of the data we can't sense, so excessive compression is inadvisable. Because the small bitrate we set and the bigger degree we compress the more data we will lose. If more data lose it will affect the final visual effect.

Method 3: Compress video by adjust the video size

Click "Setting" button -> "Advanced Setting" tab -> "Advanced" option. Select desired video size from the drop-down list of "Video Size". It also allows overwriting any desired video size.

Step 3 Finish compressing videos on Mac

Click the Profile drop down button to select desired output video format.

Step 4 Finish editing subtitle

Click "Convert" button to start and finish to compress the video file size. After finish compressing videos, you can get small volume videos without much quality loss.