Your Complete Video Toolbox

Wondershare UniConverter

  • Make a file smaller with super fast speed and no quality loss on Windows/Mac.
  • Compress video/audio files by changing bit rate, resolution, encoder, format, and others.
  • Support batch conversion and compression process to compress multiple files at a time.
  • Versatile toolbox combines DVD Burner, Screen Recorder, GIF Maker, Fix Video Metadata, etc.
how to make a file smaller

Compress Videos

1. Compress Video/Audio in Different Formats+
  1. 1.1 Compress MP4 on Winodws & Mac
  2. 1.2 Reduce Size of MP4
  3. 1.3 Resize MP4 Videos Online
  4. 1.4 Compress MP4 Online
  5. 1.5 Free MP4 Compressors
  6. 1.6 Compress FLV
  7. 1.7 Compress MKV
  8. 1.8 Compress MOV
  9. 1.9 Compress MOV Online
  10. 1.10 Compress WMV
  11. 1.11 Comrpess M4V
  12. 1.12 Compress MPEG/3GP
  13. 1.13 Compress H264 File
  14. 1.14 Compress AVI File
  15. 1.15 Reduce Size of MKV
  16. 1.16 Top 5 WebM Compressors
  17. 1.17 Compress WAV Free Online
  18. 1.18 FLAC Compression Software
  19. 1.19 Top 5 Online MP3 Size Reducers
  20. 1.20 Compress M4A Files Free Online
2. Compress Video from Devices/Apps +
  1. 2.1 Compress iPhone Video
  2. 2.2 Compress Camcorder Video
  3. 2.3 Compress GoPro Video
  4. 2.4 Compress QuickTime Video
  5. 2.5 Compress Fraps Video
  6. 2.6 Top 12 File Compressor for Android
  7. 2.7 MMS Video Size Limit for iPhone/Android
  8. 2.8 Shorten Videos on iPhone
  9. 2.9 10 Video Compressor App Android/iPhone
  10. 2.10 Top 8 Video Size Reducers for Android
3. Compress Video with Different Apps +
  1. 3.1 Resize Video in iMovie
  2. 3.2 Make VLC Resize Video
  3. 3.3 Make Windows Movie Maker Resize Video
  4. 3.4 Different Apps to Compress Video
  5. 3.5 Compress Videos with Windows Media Player Alternatives
  6. 3.6 Use FFmpeg to Resize Video
  7. 3.7 Apple Compressor 4 Alternative
  8. 3.8 Top 6 Clipchamp Alternatives
  9. 3.9 Top 7 Video Cutter and Compressor
  10. 3.10 HandBrake Video Compressor Alternative
4. Compress Video for Different Purposes +
  1. 4.1 Compress Video for Email
  2. 4.2 Compress Video for Web
  3. 4.3 Compress Video for YouTube
  4. 4.4 Compress Video for Vimeo
  5. 4.5 Compress Video for Facebook, Instagram
  6. 4.6 Twitter Video Compression
  7. 4.7 Resize Facebook Video Size
  8. 4.8 Resize Instagram Video Size
  9. 4.9 Compress YouTube Video Size
  10. 4.10 Compress Video for DVD
  11. 4.11 Send Large Files via Email
  12. 4.12 Compress Files for WhatsApp
  13. 4.13 Send Long Videos on WhatsApp
5. Other Tips & Tricks +
  1. 5.1 Full Guide to Compress Video
  2. 5.2 Free Video Compressors
  3. 5.3 Top 13 Video Compressors
  4. 5.4 Top 10 Video Compressor for Mac
  5. 5.5 Top Audio Compressors
  6. 5.6 Top 8 Audio Compressor Free Online
  7. 5.7 Compress Files to Small Size
  8. 5.8 Compress HD/FHD (4K/1080P) Videos
  9. 5.9 Compress A Video
  10. 5.10 Compressed Video Formats
  11. 5.11 Top 8 Compression Software 2019
  12. 5.12 Top 9 File Compressors
  13. 5.13 How to Make A File Smaller
  14. 5.14 How to Make Video Smaller
  15. 5.15 Lossless Compression
  16. 5.16 Top 10 Ways to Reduce Video Size
  17. 5.17 Compress Files & Folders
  18. 5.18 Compress Folder Online and Free
  19. 5.19 Top 6 Online Size Converters
  20. 5.20 Top 10 Ways to Send Large Videos
  21. 5.21 Top 5 Video Resizer
  22. 5.22 Top 6 File Size Reducer
  23. 5.23 Shorten a Video Online and Free
  24. 5.24 Change MP4/MP3 Bitrate
  25. 5.25 11 Ways to Compress Videos Free Online

How to Make A File Smaller in 3 Different Ways

by Christine Smith • 2020-08-06 19:33:00 • Proven solutions

How does compressing a file make a file smaller?

Many people are seeking solutions for this question on Quora. You may learn how to compress .doc, or .pdf as a ZIP/RAR file, however, it's not easy to compress a video or audio file size as the video/audio quality is so important. So you'd better use some professional compressors to help you decrease file size without losing quality. For both Windows and Mac system, easy and free ways are introduced here. You'll find details on how to make a file smaller with the best video compressor, online size reducer, Windows Movie Maker, and iMovie by reading the following parts.

Part 1. Best Way to Make File Size Smaller Without Quality Loss

Among the long list of programs available to reduce the video file size, the most recommended name is Wondershare UniConverter (originally Wondershare Video Converter Ultimate). Using this professional video-toolbox, you can compress your video file size by changing its quality, resolution, bit rate, frame rate, and other parameters. All types of video files including MOV, MP4, AVI, and others are supported by the tool for size reducing and other functions. Using Wondershare video file smaller tool, you can choose the compression percentage to reduce the video file size in a quick manner and without any loss of quality. A preview function is also available that helps to preview the file before the process.

Wondershare UniConverter - Your Complete Video Toolbox for Windows/Mac

  • Compress video and audio files without losing any quality on Windows/Mac.
  • Make a file smaller by changing video resolution, bit rate, quality, size, and other parameters.
  • Support 1,000+ video/audio formats including MP4, AVI, MOV, WMV, MPEG, MP3, WAV, etc.
  • 30X faster compressing speed than any other video compressor.
  • Download videos from YouTube and other 10000+ video sharing sites by pasting URL directly.
  • Transfer compressed videos from PC/Mac to iPhone/Android devices via a USB cable.
  • Supports batch processing to compress and convert multiple videos at a time.
  • Toolbox with additional functions like Screen Recorder, GIF Maker, Fix Media Metadata, Cast to TV, etc.
  • Supported OS: Windows 10/8/7/2003/Vista/XP, Mac OS 10.15 (Catalina), 10.14, 10.13, 10.12, 10.11, 10.10, 10.9, 10.8, 10.7, 10.6.
Security Verified. 5,481,347 people have downloaded it.

Steps on how to make a video file smaller using Wondershare UniConverter

Step 1 Run Wondershare program and choose video

You need to download and install Wondershare UniConverter (originally Wondershare Video Converter Ultimate) on your PC/Mac first. Then launch it and click on the Video Compressor option to continue.

launch video file compressor

A new pop-up window will appear, and hit the + sign to browse and choose a video that you want to reduce the size for. One file at a time can be added here.

add video file for reduce size

Step 2 Choose compression settings

After the video file is added, you can reduce its size by manually changing the parameters like format, resolution, quality, and bit rate. Alternatively, you can also move the progress bar to change the compression percentage that will also automatically change the file parameters to reduce the size.

set compression parameters

Step 3 Preview and decrease file size

After all settings are done, click on the Preview button to check what the video will be like. At the File Location: tab, choose the file location to save the reduced video. Finally, click on the Compress button to reduce the video file size as needed.

decrease file size


If you want to compress audio files or looking for batch video/audio compression, just move to How to Compress Video/Audio Files in Batch with Wondershare UniConverter >> to learn more details.

Part 2. How to Make A Video File Smaller Online and Free

Another decent, fast and simple method for reducing video size is using an online tool like Online UniConverter (originally It works from the browser window of your Mac or Windows PC without any need for software installation or registration. In a few simple steps, Online UniConverter can reduce the size of the video added to the program in good quality. Additionally, video format if needed can also be changed. Video resolution and output size can be changed in order to reduce its size. The processed video can be downloaded from the interface to your computer or be saved at Dropbox.

Steps to make file smaller online using Online UniConverter:

Step 1: Open on your browser window. Click on the + sign to browse and add video from the computer. You can even drag and drop the video to the interface directly.

add videos to reduce size online

Step 2: Change the video resolution and the output size as needed. There is also an option to choose the output format from the given options.

select compression settings

Step 3: Click on the Compress button to make a video file smaller online. You can download the compressed video soon after the process finished.

make video file size smaller online

Part 3. How to Decrease File Size with Windows Movie Maker

Developed by Microsoft, Windows Movie Maker is a video editing tool that supports an array of functions including video compression. Using the program you can reduce the size of the added video in a simple and quick manner. Using the software you can change the bit rate, frame rate, and other parameters of the video so as to reduce its size. While working with Windows Movie Maker, you need to consider the format as all types of format is not supported by the program. For unsupported formats, you can change them to the supported one and then reduce the size as needed.

Steps on how to make file size smaller using Windows Movie Maker:

Step 1: Run Windows Movie Maker software on your PC and click on the Add Video and Photos icon to browse and add video from computer

make file size smaller with Windows Movie Maker - step1

Step 2: The program allows customizing and editing videos through features like trimming, splitting, adding transitions and others.

Step 3: After video editing is done, open File > Save Movie File > Create custom setting. A new pop-up window will open where you can edit the video and audio settings with respect to width, height, bit rate, and frame rate. Under the Settings tab, you can choose from the given options to change the size of the video. Also given a new name for the settings done under the Name tab. Click on the Save button to confirm the settings.

make file size smaller with Windows Movie Maker - step3

Step 4: Finally move to Save Movie option again and then hit on the file under the Custom Settings. Click on the customized settings name to start the process of video compression.

make file size smaller with Windows Movie Maker - step4

Part 4. Make File Smaller with iMovie

Developed by Apple, Inc iMovie is video editing software with support to a variety of functions. The program works as an excellent video compression tool for Mac system and results in quality files in a quick and simple manner. The file size of the video can be reduced by changing its quality, bit rate, resolution, and other parameters as desired.

Steps to decrease file size using iMovie:

Step 1: Launch iMovie app on your Mac system and click on the downward facing arrow or Import Media button to browse and add the vidFeo that you want to reduce in size.

make file size smaller with iMovie - step1

Step 2: After the video is added, select File > Share > File from the Menu bar. Next, choose the settings for quality and resolution so as to reduce the file size. Click on the Next button and then give a desired name to the file. Also, choose the location on Mac where you want to save the reduced file.

make file size smaller with iMovie - step2

Step 3: Finally, click on the Save button to start the process.

Looking for best solutions on how do I make a file smaller? Check out the above-mentioned methods and depending on your system and requirements, choose the apt one for hassle-free, lossless quality file compression.

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