Is video too large to send? Need to reduce video size? How to make a video smaller in size? How to reduce video file size without losing quality? Don’t worry! This post lists the best way to easily and quickly reduce video size on Windows, Mac, Android, and iPhone and shows how to reduce video size online.

Video has become the vogue. We watch videos every day, and we even can make money on YouTube video. Sometimes, however, we need to make a video smaller in size when we want to send videos via email or upload videos to YouTube or other video-sharing platforms. 

How to reduce video file size? How to reduce video size without losing quality?

In this article, you will learn how to reduce the size of a video in Windows, Mac, Android, and iOS.

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Part 1. Reduce Video Size on Windows

To reduce video file size in Windows 10/8/7, you can try the following different ways.  

Fix 1. Turn to Free Video Size Reducer

Here, we will show 2 video size reducers to help you reduce video size free.


VLC media player not only can play video and audio but also can compress video size. Follow the steps below to compress MP4 video to smaller size via its compression function.

  • Download, install VLC Media Player and open it.
  • Go to Menu and click on Media > Convert/save.
  • Click on Add to select the video you need.
  • Click Convert/Save when you were done.
  • Select the type of profile you want to convert the video.
  • Select the Start button to start VLC video compressing.

VLC media player reduce video file size

VLC Media Player is a good choice for you to reduce video size free. But, if you have high-level requirements to reduce video size, you had better try other video size reducer.

#2. MiniTool Movie Maker

MiniTool Movie Maker, a free video editing tool, can help you create cool movies with your own pictures and videos. Besides, this free tool offers 3 features to helps you compress video size easily. Below is the detailed tutorial on how to reduce video size free.

MiniTool MovieMakerClick to Download100%Clean & Safe

Step 1. Launch MiniTool Movie Maker, and click the Full-Feature Mode to enter its main interface.

Step 2. Click Import Media Files button to import your video file to this tool.

Step 3. Drag and drop this video file to the storyboard. Then, you can try the Trim feature to compress video size. (Here, if you don’t want to trim video, you can directly move to step 4 to compress video file size.)

Option 1. Trim Video

Now, you are able to use the Trim feature to remove the unwanted part from your video to reduce the video file size.

Select the video in the storyboard, and then click the scissor icon to get the Split/Trim window.

In the Trim window, move the Vertical Line along the track to the point where you wish a clip to begin (or end), and then click the scissor icon. 

The detailed steps can be found in How to Trim Video Easily (Step-by-Step Guide with Pictures).

trim video to reduce video size free

Step 4. Click the Export button to get the following window.

change video resolution/ideo formats to reduce video size

In this window, you have another 2 options to reduce video file size free.

Option 2. Change Video Format

Some formats like MKV and AVI occupy too much space. Some users including me want to convert this video to small size formats like WMV, FLV, etc. This free video editing software enables you to convert video files without watermark. Detailed steps can be found in this post: How to Change Video Format? Try The Best 6 Free Video Converters.

Option 3. Change Video Resolution

To reduce video file size, you can choose a smaller video resolution. Choose a suitable video resolution from the drop-list of Resolution.

Related article: How to Change Video Resolution Easily on Different Platforms.

Step 5. Finally, type a name of your video file, and choose a place to store it, and click Export to reduce video file size.

With MiniTool Movie Maker, you can quickly and easily reduce video size by trimming video, changing video format or changing the video resolution. In general, this free and simple video size reducer has other excellent features waiting to be found.

  • It allows you to make photo slideshow without watermark. You even can use it to create a Facebook slideshow.
  • It lets you split a large video into different small video parts.
  • It lets you combine videos into one.
  • It offers cool movie templates. Even users with no previous experience of video editing can easily make cool videos. Just choose a template, import files and then save this cool movie.
  • It offers 98 video transitions to add a unique flavor to your videos.
  • It enables you to easily change the brightness, contrast, and saturation of your videos.
  • It allows you to add a different style of texts to your videos. (If you like, you can read this post “Need to Add Subtitles to Video Free? Try 2 Simple Ways” to find detailed information.)
  • It lets you export video in different video formats like MP4, AVI, MOV, MKV, MP3, GIF, etc.

Want to experience more cool features of this video? Now, you can click the following button and you will get the installation package quickly.

MiniTool MovieMakerClick to Download100%Clean & Safe

With MiniTool Movie Maker, you can reduce video size free in 3 aspects: trim video, choose a video format with a smaller size and change video resolution.Click to Tweet

Fix 2. Reduce Video Size Online

If you want to compress video size without downloading any software, you can reduce video size online. There are some video size reducers online can help you compress video to smaller size online. It is recommended to choose one which can reduce video file size without losing quality.

YOUCOMPRESS, free online file compressor, lets you quickly compress files online, and it supports MP4, MOV, MP3, PDF, PNG, JPG, JPEG, GIF files. More important, no registration is required, and you can compress unlimited files.

To compress MP4 video to smaller size online free, you can click the Select file… button to select the MP4 video you want to change, and click Upload File & Compress. After that, this video size reducer starts compressing video file size online.

reduce video size online

This free online file compression tool lets you quickly compress MP4 video to smaller size online free, and it doesn’t add any kind of watermark on compressed files.

Part 2. Reduce Video Size Mac

Mac users also can reduce video file size free.

Fix 1. iMovie

iMovie, a piece of video editing software included with the Mac operating system, can help you quickly reduce video size Mac. Below is the detailed steps.

Step 1. Open iMovie.

Step 2. Click the + button, then click Movie, choose No Theme, click Create, type a name for the new file.

Step 3. Open the folder containing your video file.

Step 4. Drag the video file into the timeline of the iMovie window.

Step 5. Click the File menu, choose Share, and select File.

Step 6. Click Resolution menu and choose a smaller resolution, decreasing the actual size of the video frame as well as the file size. On smaller screens, reducing resolution will not be noticeable.

Step 7. Click the Quality menu and select a lower quality. This will reduce the visual quality of the video and result in a smaller file.

Step 8. Click the Compress menu and select Smaller File.

Step 9. Click Next.

Step 10. Type a name for the file, and click Save. Then, iMovie will begin to reduce video size Mac. This may take a while for larger video files.

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Fix 2. QuickTime Player

When it comes to compressing video size on Mac, you can try QuickTime player. 

QuickTime player, the most preferred and default media player for Mac system, also works as a decent video editing tool with support for the feature to reduce size. It lets you trim the unwanted parts of the video to reduce its size.

Moreover, a number of preset formats with varied resolution and device supports are also available with the tool that facilitates changing the video size.

Solution 1. Trim video to reduce video file size

  • Play the video in QuickTime player, and choose Edit > Trim. The yellow trimming bar appears, with handles on each end.
  • Drag the handles to select the part to keep, and click Trim.
Note: Sometimes, QuickTime player cannot open your files. But, you can find answers from this post: QuickTime Converter: Convert MP4 to MOV and Vice Versa Easily.

Solution 2. Change video resolution to reduce video size Mac

QuickTime Player offers a number of preset formats with varied resolution. You can choose a suitable one to reduce video size.

Hi! I share 2 different tools to reduce video size Mac free with all of you.Click to Tweet

Part 3. Reduce Video Size Android

How to reduce video file size on Android phone?

Video Compress app can reduce video size without losing quality on Android. This app can compress video to to make it much easier to share video on social networks such as Facebook, WhatsApp, etc.

  • Download Video Compress from the Play Store on your Android, install it and launch it.
  • Click Allow when you receive this message, Allow Video Compress to access photos, media, and files on your device.
  • Select the video you want to compress.
  • Select Compress Video. After that, select the final size you want to get. Then, you will see the new resolution and file size of the video displayed for each option.

Now, Video Compress start compressing video file size. The compressed video will have the same name as the original with “video compress” appended to the front. You can find the compressed video in the Super Video Compressor folder on your device’s storage.

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Part 4. Reduce Video Size iPhone

Is iPhone video too large? How to resize an iPhone video? How to reduce video file size without losing quality?

VideoProc can reduce video size on iPhone. It even can reduce up to 90% of the original file size yet with the best possible output quality for compressed videos.

This video size reducer offers versatile features to make iPhone videos smaller.

  • You can trim, cut, crop and split a large video to reduce video size.
  • You can convert large-size iPhone H.264 video to H.265, WMV, FLV, 3GP format, etc. which have smaller file size?
  • You can downscale 4K to 1080P, and adjust video settings (resolutions, bit rate, frame rate, etc.) to reduce video file size.

How to reduce video file size? The best way on how to reduce video size is discussed in this article.Click to Tweet

Now It’s Your Turn

Different ways to reduce video size on Windows/Mac/Android/ iOS are discussed in the above parts of the article. Choose one which can meet all your requirements best to reduce your video size.

Do you have other tricks to reduce video file size without losing quality? Share them using the comments below. Thanks in advance. And, please feel free to contact us if you have any questions. We will help you as soon as possible.

Reduce Video Size Windows 10 FAQ

How do I reduce the size of a video in Windows 10?
  1. Launch MiniTool Movie Maker.
  2. Import video file, and drag and drop it to timeline.
  3. Split video into small parts.
  4. Deleted the unwanted parts.
  5. Save the video with low quality.
How can I decrease the size of a video?
MiniTool Movie Maker offers 3 ways to decrease the size of a video. You can trim video to remove the beginning or ending parts, you can split video and delete some wanted parts, you can change the video quality to decrease the size.
Does compressing a video reduce quality?
Videos will take up a lot of space. Fortunately, you can compress video to release more free space. To compress video without losing quality, you need to choose a compressing tool which includes two different kinds of compression: lossy and lossless.
Which video format takes less space?
MP4 file is widely used by many devices. But, MP4 file will take up occupies large space on your hard disc. In order to avoid this issue, you can convert MP4 to other smaller sized formats like WMV, FLV, and others.
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