How to Compress 4K to 1080p on iMac Running El Capitan?

Summary: This article shows you the way to downscale 4K to 1080p on old iMac running OS X El Cpitan with 4K Video Converter at ultra fast speed.

4K videos are the future while 1080p is still the standard nowadays for most of the current media players, video editors and portable devices yet can't support 4K. So most of the time, even though we have a 4K video, we have to downscale the 4K video to 1080p for using or playing like below:

"Hi, I plan to take some 4k videos in Japan, then downscale them to 1080p when I get back. I have a 4 year old iMac(updated to El Capitan). It has 4GB ram, 2.5 or 2.7 GHz Intel Core i5, and 1 TB hard drive. Will it be able to handle the downscaling? Also, will I need any expensive software to do it? Or are there some free apps that do it? Thanks."

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Pavtube iMedia Converter for Mac can allow you to downscale 4K to 1080p on your old iMac running OS X El Capitan. It is surely in the support of compressing 4K UHD videos to 1080p faultlessly. Plus, this 4K video converter enables you to transcode 4K videos to any format H.265, M3U8, MP4, MOV, WMV, FLV, MPG, AVI, MKV... as you want. In built-in video editor, you can trim, crop and retouch your videos in clicks. It surely support Mac OS X 10.11 El Capitan, Mac OS X 10.10 Yosemite, 10.9 Mavericks, 10.8 Mountain Lion, 10.7 Lion, 10.6 Snow Leopard, 10.5 Leopard.

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How to Downscale Ultra HD 4K to 1080p via iMac on El Capitan?

Step 1. Load Source Video

Launch the 4K to 1080p Converter on iMac. Click "Add Video" and load your 4K HD files to the app. This program supports batch conversion, so you can add multiple files into it at a time

Step 2. Select Output Format

Click the "Format" drop down list to select MP4, MOV, MKV, AVI, etc format from "Common Video" as you want. Since this video converter also provides optimal profiles for kinds of editing programs and media devices, you can also select a proper format that best meets your needs.

Step 3. Downscale 4K to 1080p

Click "Settings" button; you can adjust video and audio settings, including codec, aspect ratio, bit rate, frame rate, sample rate, and audio channel. To compress ultra HD 4K to 1080p, do remember adjusting video size to 1920*1080 in "Size" box.

Step 4. Start 4K to 1080p Conversion

Press on the big red "Convert" button to start to downscale to 4K HD to 1080p conversion. When the conversion finished, locate the generated 1080p video in output folder, you will certainly be satisfied with its final video quality.

After downscaled the 4K to 1080p, It would be easier for you to playback and edit now.

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