How to Reduce Video Size without Quality Loss with WinX Video Converter

People are more inclined to express themselves through videos nowadays. However, videos shot in large file sizes are unavoidable, leading to some problems. For instance, the file size is too large to upload to social media or to send by email. Moreover, they take up too much storage space of devices that are already limited. Therefore, the need of an efficient video compression tool appears.

After testing over hundreds of video compression tools, WinX Video Converter stands out with its highly professional settings, user-friendly interface and powerful functions. It is an all-in-one video compressor, which is the strongest for UHD video compression with best balance in size, quality and speed.

Aspects that affect the size of a video

Video resolution and frame rate also affect the size of video. High resolution and frame rate will bring us excellent image quality, but also big file size. But, only adjusting the resolution won’t improve video quality. Also, changes of frame rate may harm the video smoothness.

Video codec decide the way how a video is compressed. Different codecs result in different video sizes. To compress a video more efficiently, choosing a more advanced codec is accessible. For example, H.265 has higher compression rate than H.264, so the video size can be shrank.

Video bit rate refers to the amount of data per second. The higher bit rate, the bigger video size. Video size reduction can be achieved by lowering the bit rate as long as within reasonable ranges. However, it has to be noted that the bit rate cannot be reduced to a large scale, because that will make the video unwatchable.

Video Duration, of course, will have an impact on video size. Longer videos are larger in sizes.

The Optimal Video Compressor: WinX Video Converter

WinX Video Converter is a powerful video reducer. It makes your 4K or oversized video untethered. Playing, editing, storing and sharing have never been easier. Check the main features of it:

  • It converts 4K/HD video with intact quality. Excellent compression core and high efficient codecs like H.265 are customized to shrink video size by up to 90% without quality affected visually.
  • Using WinX Video Converter, 47X faster speed can be achieved. It takes full advantage of Level-3 hardware acceleration to decode, process and encode large 4K/1080p or high-frame video at no.1 fast speed. No CPU overuse or overheating.
  • There are 370+ Inputs & 420+ Outputs! It converts and processes footage in virtually any format, including AV1, HEVC, H.264, MP4, MKV, AVI, WMV, M2TS, etc.
  • Not only compressing and converting. Using it you can edit videos efficiently like trimming, cropping or adding subtitles, even if you have no experience. Of course there are also advanced settings for the adept.

How to reduce video size with WinX Video Converter

Compressing videos with this top video compressor, you will find it has never been easier. Follow the steps below to reduce your video size.

  1. Choose a more advanced video codec for higher compression efficiency and smaller size.

-> Click “Video” to load video.

-> Select output format in output profile category. To get a smaller video size, you can choose a more advanced codec than that of your original video. For example, the codec of the imported video is H.264, then you can choose an output format with H.265 codec. The higher compression rate will reduce the file size of the video.

-> Click RUN to start converting.

  1. Adjust Resolutions, bitrates, and other parameters. You can click the setting and reduce the video size by lower resolution (preferably 1080p or 720p), frame rate (don’t lower fps less than 24) and reducing bit rate, but it has to be noted that the reduction of bit rate may result in quality degradation in varying degrees.

  1. If you find the video size is still bigger than the one you need. You can either cut the redundant part of the video or crop the image.


Video size is indeed a problem when we share, upload and store videos. As the image quality gets better and better, 4K video, for example, the larger video size leading to a situation that the need for a powerful video reducer constantly increases. With WinX Video Converter, video can shrink by 90% in size but without quality loss. Also, the speed can be guaranteed: 47X faster. Smaller video size, intact quality and processing speed of WinX Video Converter makes itself an optimal choice for millions of users.

If you have any questions, please ask below!