Reduce the file size of video
It is intuitive that the longer the video, the larger the file size and the greater the memory it occupies. A larger file size makes it challenging to transfer the video, difficult to upload it to your cloud storage, and also makes it a lengthier and time-consuming process to transfer the video if there is sufficient storage space. If a large-sized file is open, it occupies greater RAM (Random Access Memory), which can, in turn, slow down the device. Larger-sized videos are also complicated to transmit over the internet, causing delays or buffering issues for the viewers. Moreover, larger file sizes may not always be compatible with all devices and platforms.
Meet the time constraint criteria
Certain social media applications and other platforms have a limited window of time for the video's runtime, for example, TikTok, which only allows users to upload a video that is no more than 60 seconds long. Similarly, Twitter allows users to upload a video for 2 minutes and 20 seconds of runtime; anything longer isn't supported. If you are a content creator, such time constraints are bogus since no meaningful video can be uploaded in such a short time frame. Therefore, splitting the video into multiple segments is imperative so you can upload the entire content over segmented videos in a single post.
Extract video portions
One of the most important and frequent reasons behind using a video editor to split videos online is to extract relevant portions of the video from a larger video. This applies to all fields and all walks of life, not just content creators. For example, if you have a project or research, you can add a specific and relevant portion of a video to support your statements or cite a reference. This is most frequently used by students, journalists, and newscasters who need to play the relevant portion of the video whenever making a claim.