7 Best WebM to MP4 Converters on Windows and Mac in 2025

WebM is great for the web but not so much for offline playback on your gear. In stark contrast, MP4 can be played back probably anywhere because it is supported wherever you find a video. This is really important if you want to share the video with most audiences and devices as MP4 format will be mostly supported on all sites. So today we will guide you on best WebM into MP4 converter which will convert it easily and your video will play in any player once converted.

Part 1. What You Need to Know About WEBM to MP4 Conversion

WEBM is a video format designed for the web. It usually contains VP8 or VP9 video and Vorbis or Opus audio. MP4 is the most widely supported video format. It usually contains H.264 or HEVC video and AAC audio. When you convert WEBM to MP4, you should change the video and audio encoders to H.264/HEVC and AAC, which will slightly decrease the video and audio quality. However, you will gain more compatibility. After all, many devices, software, and platforms supports MP4.

How WEBM to MP4 Conversion Works

As mentioned above, WEBM and MP4 supports different video and audio encoders, so you need to re-encode VP8 or VP9 to H.264 or HEVC, and Opus or Vorbis to AAC. That means you cannot directly change the extension from .webm to .mp4. However, there's uncommon situation where a WEBM file contains encoders that MP4 can support, so you can just rewrap WEBM to MP4.

Part 2. 3 Excellent Free WebM to MP4 Converters on Windows/Mac

1. Tipard Video Converter Ultimate

Platform: Windows and macOS

Tipard Video Converter Ultimate is one of the best WebM to MP4 converters due to its user-friendly interface and robust functionality. Additionally, it supports batch conversion, allowing you to convert multiple WebM files to MP4 quickly and efficiently. The software offers high-speed conversion without compromising on video quality. Additionally, it provides various editing tools, such as trimming, cropping, and adding watermarks, making it a versatile tool for beginners and advanced users.

2. HandBrake

Platform: Windows, macOS, and Linux

HandBrake is an open-source program that can convert WebM to MP4. Despite its broad compatibility, it is a large number of free pre-sets tailored for preferred tools that truly help HandBrake stand out here. For beginners and professionals, it has advanced features like batch processing and customizable encoding settings. While the interface may be confusing for beginners, its robust and stable video conversion feature can help you quickly change WEBM to MP4 format.

3. VLC

Platform: Windows, macOS, and Linux

VLC is not merely a media player, but it also works as the best free WebM to MP4 video converter. It has a custom-built-in conversion to convert WebM to MP4 without hassle. This feature will be handy for users looking to convert another unsupported video file easily, and since it supports many video formats, this makes VLC a great candidate for other conversions. This WEBM to MP4 converter is lightweight software available on Windows and Mac, with regular updates. This WEBM to MP4 converter has fewer bells and whistles than some other popular programs, but it does the job just fine, and you know that this program will not cause crashes on your computer.

Part 3. 2 Paid WebM to MP4 Converters on Windows*Mac

1. Wondershare UniConverter

Platform: Windows and macOS

Price: $49.99 for 1 year and $79.99 for lifetime

Wondershare UniConverter is a powerful converter with high-speed conversion, high-quality output, and all-in-one functionalities. This WebM to MP4 converter supports more than 1,000 video formats, ranging from WebM to MP4, and comes with a host of additional features like Video Editing, Screen Recording, and DVD Burning. Although this WebM to MP4 converter costs a bit, the feature richness and reliability of Uniconverter make it a good buy for someone with solid video converter use cases.

2. Movavi Video Converter

Platform: Windows and macOS

Price: $19.95 for 1 month, $54.95 for 1 year, and $79.95 for lifetime

Movavi is also famous for its quick conversion and high-quality output. The WEBM to MP4 converter is compatible with numerous video formats and provides a friendly, clean interface with the ability to drag and drop files. What's impressive about Movavi is that it offers some editing features that provide options to trim, crop, and enhance videos before converting them. One of its features is the SuperSpeed mode, which allows you to convert with as little time and without losing quality.

Part 4. 2 Online Video Converters from WebM to MP4

1. Online-Convert.com

Online-Convert is an all-purpose online video converter that can convert WebM to MP4 and many other formats free online. When you go to its friendly interface, you can upload your files from a URL, cloud service, or computer. It gives tons of possibilities for customizing your conversion, such as video codecs, audio quality, and frame rate, to be able to create the perfect format for any device. Although the free version of this online WEBM to MP4 converter is restricted to a maximum file size you can convert, this remains an easy and convenient option for fast file conversions without the need to load up any software.

2. CloudConvert

CloudConvert is another popular online video converter that is highly recommended for converting WebM into MP4 format. CloudConvert is one of the better-looking and flexible cloud transcoding tools video conversion tool that knows how to do everything you ask of it; this online WEBM to MP4 converter can also convert a plethora of formats, including music, PDFs, photos, and more; stellar logo for one and pretty good quality options for another. This WEBM to MP4 converter also provides several fine-tuning options for video resolution, file size, and aspect ratio to get a customized output. While the free version has some limitations, like file size and conversion time, CloudConvert is an easy-to-use and efficient service for users who need fast online conversion.