Best Free MP4 Compressor to Reduce MP4 Size Online/PC

Author: Rocabella
Publish date
Jun 16th, 2023
Best MP4 Compressor Free
  • Download Download this free MP4 compressor for Windows:
  • 1. Import MP4 into the software;
  • 2. Free compress video MP4 in different ways;
  • 3. Export the final file with a smaller size.
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Compress MP4 Free on Windows
1. Use advanced encoder
2. Downscale resolution
3. Reduce frame rate
4. Lower bitrate
5. Remove unwanted parts
Compress MP4 Online Free

Are you looking for a free MP4 compressor to reduce MP4 size to smaller for emailing or Discord sharing? In this post, you’ll get a desktop compression tool as well as an online alternative. Keep reading to learn more about the listed offline and online video compressors.

5 Ways to Compress MP4 Free & No Size Limit on Windows

With so much free MP4 compressor software around, WonderFox Free HD Video Converter Factory stands out not only for its intuitive user interface but also for its rich features. No prior knowledge is required. Even a non-tech-savvy user can master all functions in no time!

Multiple ways are provided for you to free compress MP4 video, making you achieve the highest output quality at the smallest sizes. You can choose to encode the MP4 video with a more advanced codec, downscale the resolution, reduce the frame rate, lower the bitrate, or just cut off unnecessary parts.

Free downloadFree download this handy MP4 size reducer on your Windows-based device first. Then follow the steps below to learn how to compress your MP4 video for free and with no size limit.

WonderFox Free HD Video Converter Factory
Versatile Free Video Compressor
  • Compress large files with high-quality retained
  • 500+ optimized presets for a fast conversion
  • Download movies and music from 500+ sites
  • Trim, crop, merge, watermark, add special effects...
Free download Download for Free
Free download Download for Free

Step 1. Import Your Large MP4 Video

Launch Free HD Video Converter Factory and select the Converter option.

Then hit + Add Files to import your source MP4 file. Plus, this freeware supports the drag-and-drop method too.

Compress MP4 File Free
Compress MP4 File Free

Step 2. 5 Different Ways to Reduce MP4 File Size

Select a more advanced encoder: By using a more advanced codec, you can get a higher compression rate while maintaining high quality. For example, switching MP4 H.264 to MP4 H.265 saves about half of the storage space.

Enter the right-side output format library and go to Video > MP4 H.265.

Free MP4 Size Reducer
Free MP4 Size Reducer

(Note: The settings mentioned in the following ②③④ methods are altered in the Parameter settings section. )

Downscale resolution: A video with higher resolution contains more data, resulting in the files of larger sizes. You can downscale the video resolution, such as HD to SD, to help reduce file size and save much space on the phone.

Drop video frame rate: FPS also plays an important role in video size. Generally, a 24FPS video looks smooth enough for us. So, if you can shoot a video at a high frame rate, like 120fps, you can convert 120fps to 24fps without ruining the viewing experience.

Decrease video bitrate: Video bitrate affects the video size and quality as well. A lower bitrate means less data is transferred and, thus, smaller file sizes.

Free Reduce MP4 Size
Free Reduce MP4 Size

Trim off unnecessary parts: With the built-in trimmer, you can cut out unwanted parts to free compress the MP4 video. Simply the trimmer icon on the editing toolbar.

Reduce MP4 Size Free
Reduce MP4 Size Free

Step 3. Export the compressed MP4 video file

click the inverted triangle button at the bottom to select an output folder. Finally, press Run to start compressing the MP4 video free of charge.

Compress MP4 Size Free
Compress MP4 Size Free

Compress MP4 Video to Smaller Size Online Free

Another convenient way to reduce video size is by using a free online MP4 compressor. Many websites offer this service, such as FreeConvert. It is a popular free video compressor online. Without creating an account, everyone can use it to compress an MP4 video online for free up to 1GB. This online service also includes adjustable settings for compression method, output format, codec, etc.


In conclusion, whether you choose to compress your videos online or on your PC, there are many free and easy-to-use tools available that can help you reduce the file size of your MP4 videos. By using these tools, you can ensure that your videos are easily shareable and accessible to a wider audience.

I hope this article can be helpful. thanks for reading!

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