Use the slice, cut, or trim tool to shorten the beginning and end or remove any parts of the video file you don’t need.Import the video file to a video editing tool like Descript.Here’s how to reduce the length of your video using most video editing software: The workflow will be similar for most applications including iMovie, Adobe Premiere, or Descript’s video editor. You can do this with any video editing software. Is there extra time at the beginning or end of the video? Maybe there are sections in the middle that are unnecessary? Shortening the overall runtime of the video by trimming out these unneeded parts will help reduce your video file size. Different codecs handle the compression process differently-you may find one format and codec struggles with your particular video while another retains more detail.Ģ. Keep in mind that not every video may be suited to each format. Save your video: Save the newly compressed video to your device and verify the reduction in file size.Export your video: During the export process, select your desired format and codec.Choose a new format and codec: Opt for a more compressed format like MP4 with the H.265 (HEVC) codec, which is known for its high compression and good video quality. Popular choices include Handbrake, iMovie, and Descript. Open a video editing program: Load your video file into video editing software.Locate your video file: Find the video you want to compress on your device.To convert a video to another format in a video editing program, follow these steps: This particular format is well-regarded because of its high compression, good video quality, and high compatibility. For example, a popular video format for online use is MP4 (or MPEG-4) using the H.265 (HEVC) codec. How to compress a video by converting the video formatĬonverting your video to another format may shave down its size. Now that you know what makes a video file so big, we’ll share five different tutorials you can use to compress videos. Think of it as using different mathematical methods to solve the same problem. Different codecs, including lossless codecs and lossy codecs, handle compression in different ways. The codec is held within the container and is responsible for applying the compression. People often refer to the container as the "file format." Common examples of a container would be MP4 and MOV file types. There are two key elements of a video file during the encoding process: Selecting an efficient video codec in your video editor, like H.264, often leads to high-quality videos with reduced file sizes. Some video formats and codecs compress data more efficiently. EncodingĮncoding is the process of compressing video files into a specific file type like AVI, MOV, WMV, or MPEG. CBR maintains a consistent rate for the duration of the video, whereas VBR will adjust the rate depending on the complexity of the video from moment to moment. You can encode a video using constant bitrate (CBR) or variable bitrate (VBR). At the other end of the spectrum, lower bitrates can transfer less data, resulting in smaller files. In general, higher bitrates can transfer more data per second, resulting in higher video quality, but also larger video files. It’s typically measured in bits per second (bps), kilobits per second (Kbps), or megabits per second (Mbps). Bitrateīitrate is the amount of data being transferred at a given time. Multiply that by the number of frames per second-commonly between 24 and 60 frames per second-and you can see why uncompressed video files are so large. Each pixel contains unique data about its color and brightness. That video has over 2 million pixels per frame. A 1080p high-definition video, for example, is 1,920 pixels wide and 1,080 pixels tall. When people refer to a video in terms of “1080p” or “4K,” they’re referencing the video’s resolution. Resolution is the actual size, in pixels, of your video image. That way, you can avoid quality loss and save storage space. Understanding how they work lets you compress video files without compromising the visual appeal. There are three core elements that determine the size of a video file: the video resolution, the bitrate, and the encoding method. There are a few different video codecs-all responsible for compressing (and decompressing) the video in unique ways. You do this using codec software, which decides what information is required for the video to maintain its quality and what information can be discarded. Video compression is the process of reducing video file size while still retaining the necessary video data.
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