Best 4K Video Converters 2021

4K is a horizontal display resolution used by digital cinematography, video creators, and digital televisions. A 4K video file is huge and consumes a lot of data. But with the help of a 4K video converter, the size of the file can be reduced. As a result, data consumption can be reduced greatly. 

Probably, you will look for a video converter that can convert the files to the desired format. When it comes to video converters, the first aspect that matters is the quality must not get affected. A list containing the Best 4K Video Converter is given here that you can take a look at. 

Part 1. Top 3 4K Video Converters 2021

1.  Aicoosoft Video Converter

It has great conversion speed, efficient downloading and editing features, and used by clients globally. Aicoosoft Video Converter has emerged as a top video converter and has minimal technical requirements. 

Key features 

  • 30x faster video conversion speed with GPU acceleration and multi-core processor optimization
  • Support 1000+ video and audio formats. 
  • Convert 4K & HD videos like H264(AVC) and H265(HEVC) without loss quality
  • All-in-one video editor: Trim, merge, crop, rotate videos; add subtitles, watermark, effects; adjust videos brightness, contrast etc. and reduce background noise.
  • Download videos from 1000+ streaming sites.
  • Customize to compress videos with high quality. 
  • Record any video and audio on internet you want.
  • Convert DVD to digital files 


  • Powerful video conversion with 30x faster speed
  • The videos from YouTube can be downloaded and converted in 1000+ formats. 
  • With the conversion of DVD to digital files, audio recording is also there. 
  • Practical all-in-one video editor


  • It is available only in two languages, compared to other converters. 

2.  Freemake Video Converter

In this video converter, the basic version is available for free, but to eliminate branding, you need to pay $10 per month. For unlimited access, you must pay $299 to experience it. With video formats, it supports audio formats as well, but the speed GPU acceleration is not there. Trimming and cropping features are also available on the platform. 

Please add pros and cons


  • Supports audio formats
  • Record videos


  • Downing files take time
  • No GIF feature

3.  Factory Format Video Converter

It is available for free but ad-supported, which delays the video conversion process. Not many video formats are available, so at times, it will be difficult for you. Also, there is no audio conversion and converting from videos to GIF is also not there. 

Please add pros and cons


  • Available for free 
  • Supported audio formats


  • Slow conversion speed
  • Video merging is not possible

Part 2. How to convert 4K videos without loss quality

Aicoosoft Video Converter makes the usage of AI for converting and editing videos. The process of using the top converter that will not lose quality is explained in steps.

Step 1. 

First download the program and install it on your computer. Then open the program.

Step 2.

Click Add Files to add a 4K video you want to convert. 

Step 3. 

Click the format option at the right side of a video, and choose a 4K format for output by clicking the inverted triangle beside the output format, and choose an output format for output. 

Step 4.

Click “Convert” button to begin conversion of this videos.  It will be finished in few minutes.

Ending Note!

Many free video converters are available, but they cannot retain the quality of the video. Also, the process of conversion will be a bit difficult. Instead of that, get an efficient paid economical 4K video converter and experience the difference. Lastly, when all the features are compared, it is found that Aicoosoft video converter is the best. 

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