How to compress a 4K video without loss of quality

Content (Click to view)
  1. Compress 4K video
  2. Why compress a video?
  3. Reduce the size of a 4K file
    1. Convert 4K video to 1080p
  4. You may be interested:

Compress 4K video

The success of the GoPro sports cameras has contributed to the democratization of the 4K video format. Despite its countless qualities, this digital image format is very hungry for space.

compress a video

Photo Kon Karampelas at Unsplash

In addition, some computers and smart phones have difficulty reading this type of video. To avoid these drawbacks, we present a method to compress your 4K videos.

Why compress a video?

The 4K format, also known as UHD (Ultra High Definition), offers images with unprecedented sharpness and realism. Its resolution, which is close to 8 million pixels (compared to only 2 million for high definition), makes it possible to distinguish a multitude of details.

Unfortunately, quality has a price. Video files obtained with a 4K camera are particularly large.

As an example, one minute of video made with an iPhone in 4K (30 fps) weighs about 375 MB compared to only 130 MB for the same video in Full HD (1080p).

So you will need almost 24 GB of disk space to store one hour of movies. If you're used to producing video content on a regular basis, you can quickly run out of storage space on your smartphone or camera. Then you'll need to invest in an SD card.

In addition, there are problems with the exchange of multimedia content. The weight of a video is too important to be sent by email.

Also, if you plan to upload your movies to YouTube or social networks, the upload times can be particularly long. Without a very fast fiber-optic Internet connection, video sharing can take hours.

Also note that most platforms like Facebook have limits on the size of the videos.

The other disadvantage of this technology is that the reproduction of ultra high definition content requires a strong configuration. Unfortunately, some devices (smart phones or older computers) do not have the resources to play a 4K file.

Reduce the size of a 4K file

4K recording requires a lot of memory. The easiest way to share your multimedia content is to compress the video file. You will lose some resolution, but if the file is not intended to be played on a 4K-compatible screen, the differences will be invisible to the eye.

There are several tools on the web that can perform this type of task.

If you are looking for an excellent video processing software I advise you to try VideoProc, one of the best video conversion software on Windows.

Its highly intuitive interface makes it possible to reduce the size of 4K video files, especially those intended for smart phones, without any noticeable loss of quality.

Please note that the processing software supports dedicated video encoding modules integrated in the processor chip (GPU).

This makes it possible to significantly accelerate the speed of video compression while downloading complex calculations from the main processor. Most computer embedded graphics chips benefit from hardware acceleration.

Convert 4K video to 1080p

In addition to video compression, VideoProc software supports the most common video editing operations, such as cutting, trimming or merging sequences and adding subtitles.

The only thing you have to pay is the shadow of the film. The free trial version is limited to videos up to 5 minutes long.

  • Download the VideoProc software from the publisher's website.
  • Install it on your computer following the instructions on the screen.
  • Start VideoProc
  • Click the Video button on the top bar and select the file to be compressed. Make sure the box Nvidia, Intel, AMD Hardware Acceleration Engine is checked.
  • In the output configuration window, you will have to choose one of the proposed formats

For videos taken from a 4K camera like GoPro or others, you have the possibility to convert your files with the H.265 codec also called HEVC MP4. This will allow you to maintain very good video quality while drastically reducing file size.

Please note that the blue banner at the top of the window will allow you to adjust the parameters of your new video and, in particular, change its resolution.

Then click on the Run button to start the compression process of your video.

By way of comparison, our 4K video file of about ten seconds weighed just over 140 MB. Once compression was completed, the size of our video was no more than 4 MB. I will let you judge the difference.

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