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Top Free MP4 Converters Review: Which One is the Best?

Are you looking for a free MP4 converter to convert MP4 to MP3 or change 3GP/MPEG to MP4? Look forward to finding one free MP4 video transocder to convert MP4 video with best quality and fastest speed? Is it hard to make decision among so many choices from Google results? If so, forget about the SERP. Instead, spend 2 minutes here reading the top free MP4 video converter services, which can satisfy your 90% needs (100% full-qualified tools are unrealistic).

WinX HD Video Converter Deluxe

WinX HD Video Converter Deluxe is an all-round video converter tool, well-designed to help you convert video to MP4 and convert MP4 to any video/audio with 420+ pre-programmed profiles. Plus, it's also a good performer to compress MP4, edit MP4, download MP4 with Highest possible quality and Fastest speed! The detailed features are listed as following:

1. Bulk convert video: Convert any video to/from MP4, FLV, AVI, WMV, MOV, H.264, HEVC....convert video to iPhone, iPad, Android, etc.
2. No limits: no file size, resolution, codec on input/output videos, load 500MB video, 1GB, 20GB 4K or 8K video for conversion.
3. Highest possible quality: "Auto Copy" mode enables you to 1:1 convert video MP4 as long as video codec is kept as same. Or tick "High Quality Engine" to re-encode video to MP4 from H265 to H264, VP9 to H264, etc. with 98% quality reserved!
4. No.1 Fast speed: compute-intensive MP4 conversion task can be offloaded from CPU to GPU. Speed can be improved 47x real-time faster!
5. Bonus features: reduce MP4 file size, adjust MP4 resolution/frame rate/aspect ratio, edit MP4 (crop, trim, add sub...), download MP4....

Now you can get free license code, please click here to get giveaway version.

How to Convert Video from/to MP4 with Best Quality and Fastest Speed

Firstly you can free download WinX HD Video Converter Deluxe and install it on your PC.

Step 1: Add video

Run WinX on your computer, you can click "Video" then "+Video" button to load different video files. Bulk conversion is available.

Import video files
import video files

Step 2: Select output format.

After adding video file, the video's information, such as name, video size, video length, duration and output file will be shown in the file list. Choose MP4 as output video format. It enables you to convert 3GP to MP4, MPEG to MP4, MKV to MP4, as well as MP4 to MP3, MP4 to AVI...

free MP4 converter
Convert videos to MP4 format


1. Move your mouse to the right lower corner of the main interface, where you can manually tick "Auto Copy" mode to realize 1:1 lossless video conversion without re-encoding, such as MKV H265 to MP4 H265, MOV H264 to MP4 H264, as long as the input and output video codecs are the same.

Auto Copy
Auto Copy

2. Click Settings icon to activate the settings adjustment feature (as the image shows below). You can now freely change MP4 video resolution, frame rate 60FPS to 30FPS, aspect ratio 1:1 to 16:9 or 4:3, bit rate, audio channel, etc.

Adjust parameters
Adjust parameters

Step 3: Set output folder.

Click "Browse" button in output setting area, choose a destination folder in the dialog box that opens, and then click OK.

Step 4: Convert file.

After finishing the above steps, click "RUN" button on the main interface to start converting video file. You can view the conversion progress from the progress bar at the bottom of the dialog box. It will run at GPU accelerated 47x real-time faster speed, up to 250-350FPS if your computer supports GPU hardware acceleration, as well.

Convert Now
Convert Now


This is a free online MP4 video converter service, which is also armed with bi-directional conversion feature, video to MP4 and MP4 to video. The input video list includes 27 modern video formats, like MP4, MKV, MOV, AVI, FLV, etc., AV1, TOD, AVCHD, DAT, IFO, F4V, ASF, G2M4 excluded. The quantity of output video formats is up to 7, MP4, MKV, MOV, AVI, FLV, WMV, WebM. So far, mobile device profiles are not accessible. It's said to sport with options to change video resolution, quality and size, but the options don't show up on the webpage. Basically, if your video size is reasonable and you don't need any advanced features, this online MP4 transcoding tool fits the bill. Don't ask for too much from a free online tool.

How to Free Convert Video to MP4 Using Cloudconvert

Step 1: Navigate to Cloudconvert official website. Click "Select File" button to load your videos. Five ways are supported for adding video.

Add video to Cloudconvert
Add video to Cloudconvert

Step 2: Choose resulting video format from the 7 video formats we mentioned before. Or you can select audio formats, e.g., MP4 to WAV, MP3, AAC, FLAC, etc. 7 audio formats, if you want to extract audio from MP4 file.

Step 3: Tap "Click" red button to call the conversion begin. The conversion speed mainly depends upon your network connection speed.

Freemake Video Converter

Similar to the first MP4 converter we mentioned, this one also has a wide variety of input and output formats. Generally, it can accept whatever you feed it without file size or format limits. MP4 video editing and downloading are also highlighted on its official product webpage, addressing your needs to customize your resulting files like cut, join, rotate, etc. Of course, there are a couple of omissions that kept this product out of the top spot of our top MP4 converters chart. 1:1 lossless Auto Copy mode, High Quality Engine and GPU hardware acceleration tech are absent from this utility. Thus, it leaves high quality and fast speed to be desired.

How to Free Transcode MP4 Video using Freemake

Step 1: Hit "Video" button to load your video files after Freemake downloading and installation.

Step 2: Opt for the output format or device from the pre-set profiles.


Step 3: Tap "Convert" and the conversion engine will go into action. Leave the rest to it and check the output file after a cup of coffee.

It's impossible to list out all the practical MP4 video freeware in one article. In case you've used other better software or are recommended with other fabulous options, you're warmly welcomed to share with you via Email or Facebook/twitter official account and we'll constantly update them to this post.


author - Kistent Waung

Kistent Waung twitter icon

Graduated from Nanyang Technological University, Singapore, she employs herself in IT related content creation (since 2013) and happens to perfectly combine her major (computer & science) and her gusto (writing). She's seasoned at offering video audio conversion workarounds and always passionate about new trends, from hot HEVC, 4K to the new AV1 codec.

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