10 Best Online Video to MP4 Converters Review Based on Lab Testing

It cannot be denied that web apps are convenient. And we do not worry about compatibility problem. So, it makes sense that online video converter to MP4 attract many users. However, some internet users reported that their computers were infected by virus because of converting videos to MP4 online. Indeed, there are many online video converters. Once searching in Google, you will get a long list with hundreds of web apps. For ordinary people, it is impossible to find the most appropriate one. Therefore, we have tested popular online video converters and identified the best ones. In this post, we will share the top 10 online video converters to MP4 based on our testing and users' reports.

1. Online Convert

Online Convert

Online Converter is an all-in-on file converter application, which has a dedicated online video converter to MP4. Its key features include:
1. Import video files from hard drive, Dropbox, Google Drive or websites.
2. Support over 50 input formats, including HD video formats.
3. Offers extensive custom options to decide video quality, size and other properties.
4. Grab online videos and convert to MP4 in one click.

Pros
1. It does not have limitation on video sizes.
2. The interface is intuitive.
3. All features are free of charge and it does not need registry.

Cons
1. This online video to MP4 converter has not integrated video editor.

2. Online Video Converter

Online Video Converter

Online Video Converter is a popular toolkit among vloggers, which offers an online video converter to MP4 for online videos and local videos respectively. Its basic features include:
1. The YouTube video converter is able to convert and download online videos in MP4 format.
2. The Cloud video converter is used to upload and convert videos from local hard disk.
3. In addition to MP4, this video converter supports several commonly used multimedia formats too.
4. Allow you to cut videos and customize quality before conversion.

Pros
1. It could convert and download videos in one click.
2. This video converter supports extensive websites.

Cons
1. It lacks some features, like video editing tools.

3. AConvert

AConvert

AConvert is both a video editor and an online video converter to MP4. Its main features include:
1. Upload videos from computer or website for converting to MP4.
2. Allow you to cut, merge, rotate and crop videos online.
3. Convert various video formats to MP4 files.
4. Provide several necessary custom options.

Pros
1. The intuitive interface makes all features easy to use.
2. It could convert video formats quickly.

Cons
1. The output quality is not a little poor.

4. Files Conversion

Files Conversion

Files Conversion is another versatile online video converter for MP4. Its main features include:
1. Upload videos from computers or URL for converting to MP4.
2. Convert videos to MP4 for playback on digital devices.
3. Customize output quality and size in one click.
4. Transcode and download videos automatically.

Pros
1. This video converter supports a wider array of resolutions and formats.
2. The interface is straightforward.

Cons
1. Video conversion speed is slower.

5. Clipchamp's video-converter

Clipchamp's video-converter

Though it is an online video converter to MP4, you can use several pro-level features, such as:
1. Upload video files from your computer for conversion.
2. Customize output formats, resolution and size.
3. Convert and save the result to hard drive in one click.
4. Optimize videos during conversion.

Pros
1. The interface is concise and easy to use.
2. It does not have limitations on upload size.

Cons
1. It needs to register with your personal information.

6. HD Convert

HD Convert

As its name said, HD Convert is a HD online video converter to MP4. Its basic features include:
1. Convert HD videos to MP4 and other video formats.
2. Offer preset solutions and allow you to set parameters manually.
3. Transform videos after uploaded automatically.
4. Support plentiful languages.

Pros
1. This video converter works on HD video formats.
2. The output quality is great.

Cons
1. It spends longer time to convert videos to MP4.

7. Apowersoft's free online video converter

Apowersoft

This online video converter to MP4 is another way to convert videos online. Its key features include:
1. Convert local videos to MP4 or any video format.
2. Support one-click video conversion.
3. Besides MP4, work on almost all video formats.

Pros
1. The upload and conversion speed is high.
2. The concise interface is easy to use.

Cons
1. It needs to download a Launcher.
2. Prompt to install desktop program continuously.

8. Convert.Files

Convert.Files

If you are looking for an easy way to convert video to MP4 online, Convert.Files is a good choice. Its key features include:
1. Import videos from local hard drive for MP4 conversion.
2. Support to convert videos between various multimedia formats, like AVI to MP4, FLV to MP4 or more.
3. Preset the parameters based on videos uploaded.
4. Convert videos to MP4 or other formats in one click.

Pros
1. The interface is user friendly and easy to navigate.
2. It is compatible with a wider range of formats.

Cons
1. It takes a while to upload and convert videos.

9. Video Converter Online

Video Converter Online

123 APP's Video Converter Online is one of the best online video converters to MP4. Its basic features include:
1. Compatible various input sources, including local drive, Google Drive and URL.
2. Convert video to MP4 for playing on portable devices.
3. Customize output resolution and other parameters.

Pros
1. It supports a wider range of target devices and output formats.
2. This video converter does not need registry.

Cons
1. The video conversion speed is slower.

10. Online Converter

Online Converter

If you prefer to concise design, this online video converter to MP4 could meet your demands. Its main features include:
1. Convert variety video formats to MP4 files.
2. Both local videos and online videos are supported.
3. Customize basic parameters to create unique results.

Pros
1. The interface is concise, so load time is shorter.
2. It supports a wider range of video formats.

Cons
1. It has limitation on upload file size, up to 200MB.

Conclusion

In this post, we have shared 10 best online video converters to MP4. While desktop software is great choice to MP4 if you have many video files to convert, an online tool is more portable for occasional use. Choosing the right online video converter to MP4 is not an easy task. Some of the popular web apps integrate pop-up ads or add watermarks on results, while others have size limits. We have tested these best online video converters and showed you the latest reviews. You can discover the most appropriate video converters based on our reviews and your situations.