How to Compress MP4 Video to Smaller File Size on Desktop and Online

Open MP4

Launch the best MP4 compressor after you install it on your PC. There is another version for Mac. Go to the Toolbox window from the top ribbon, and choose Video Compressor. Open a file explorer window, locate the large MP4 file, and drag and drop it on the interface to open it immediately.

Compress MP4

Then the main interface will pop up. Move the slider in the Size section until the video file size is small enough. Or you can enter the target file size into the box directly. To keep the video format, select MP4 from the Format menu. Click the Preview button to check the result. Finally, set the destination folder in the Save to field, and click the Compress button to export the compressed MP4.

Import MP4

If your MP4 is very long and you just need a part of the video or to split it into clips, choose Video Trimmer on the Toolbox window. Then click the Add icon to import the target MP4.

Trim MP4

To trim the video, play the MP4 on the timeline, click the Set Start button at the new beginning, and hit the Set End button at the new endpoint. Click the Add Segment button on the left side to add the clip to the list.

Load MP4

Run the best MP4 compressor and go to the Converter window. Add the large MP4 video or videos by hitting the Add icon.

Convert MP4

Click the Convert All to menu at the top right side to activate the profile dialog. Go to the Video tab, select a compressed video format, such as FLV, and pick a preset.

Open your web browser, and visit the MP4 compressor online, such as https://www.mp4compress.com/.

Click the Select file button to select the video file that you want to compress. Then hit the Upload Video File button. The maximum file size is 500MB.

After uploading, the web app will work automatically. When it is done, press the Download File link to save the compressed MP4.

Run your VLC, go to the Media menu, and choose Convert/Save.

Hit the Add button, and import the large video file. Press the Convert/Save button to move on.

Pull down the Profile menu, and choose a proper output format. To keep the format, select MP4; otherwise, select a compressed video format. Click the new profile icon to open the Profile edition dialog.

Go to the Video codec tab, and downscale the bitrate, quality, or/and frame rate. Hit the Create button to confirm the changes.

Hit the Browse button and set the location and filename. Click the Start button to begin compressing MP4.

Open the desired MP4 video in HandBrake.

Go to the Video tab at the bottom and you will see the custom options.

Pull down the Framerate option, and select a smaller value. Downscale the value in the Avg Bitrate field. Move the Quality slider to the lower quality side.

Locate the Presets pane on the right side, and select a lower resolution, such as Very Fast 720p.

At last, click on the Start Encode button to initiate compressing MP4.