Developed by Google, WebM files are initially designed to be used for web video as they provide smaller files with the same quality as H264 and were later adopted across various platforms, and also for HTML5 videos. However, it is not the case that all devices or SNS media support WebM files. The most effective option is to convert WebM to MP4.
6 Best Ways to Convert WebM to MP4
1. VLC
VLC offers a variety of free libraries for decoding and encoding that include WebM, MKV, H.264, MPEG2, etc.
In contrast to the Windows version, the Mac version saves the file as M4V when choosing MP4 for the output format. While MP4 is essentially similar to M4V, M4V videos can not be uploaded to popular websites like YouTube.
The other issue encountered when using VLC to convert WebM to MP4, irrespective of the platform it is that the converted video does not have sound.
Pros:
- Free and open-source
- Supports multiple video formats
- Works on Windows, Mac, and Linux
Cons:
- Mac saves MP4 as M4V (not compatible with all platforms)
- Converted videos may lack audio
- Interface can be confusing for beginners
Also read: Top 10 MP4 Players for Windows & Mac in 2025 (Free & Paid)
2. Handbrake
Handbrake is the best WebM to MP4 converter that works on Mac and Windows. It ensures that converting a video from wide codecs to .mp4/.m4v/.mkv/.webm. Before the conversion, you can alter the video’s attributes.
But if there’s an issue with converting massive files. You should be aware that the file will not load and takes a long time. Additionally, Handbrake will drastically downgrade the video quality, especially when you have 4K WebM videos.
Pros:
- Free and cross-platform (Windows & Mac)
- Supports multiple output formats
- Allows customization of resolution, codec, and bitrate
Cons:
- Large files may fail or convert slowly
- Quality may drop with 4K videos
- Limited batch conversion support
3. Movavi Video Converter
Movavi Video Converter is a multifaceted video converter tool to convert WebM to MP4. It provides versatility and compatibility with a range of media formats. This program facilitates seamless conversion between almost every audio or video format imaginable, including WebM in MP4 format. It offers over 200 presets that enable users to tailor conversions specifically to particular devices or use its auto-detection feature for easy compatibility checks. Moreover, this MP4 converter is compatible with Mac. MP4 converter users convert a tiny video clip at first it offering an initial preview of the final output before ensuring the settings.
Pros:
- Supports 200+ formats and device presets
- Fast conversion with high-quality output
- Preview feature available
- Works on Windows and Mac
Cons:
- Paid software
- Can be resource-intensive
- Advanced features require some learning
4. Cisdem Video Converter
Cisdem Video Converter is a rapid and efficient tool that converts WebM to MP4. Loading WebM videos and initiating conversion are simple and smooth without noticeable delays or lags, while this program’s customizable output settings enable users to tailor MP4 files according to personal tastes and needs. Adjust the resolution, bitrate, or any other parameter with this versatile application to meet individual preferences and meet industry standard specifications.
Its Mac WebM to MP4 converter’s clear appearance and the extensive menu choices improve the user experience by making the interface smooth and easy to use.
Pros:
- Fast and smooth conversion
- Flexible output settings (resolution, bitrate, etc.)
- Clean, user-friendly Mac interface
Cons:
- Mac-only
- Paid tool
- Limited cloud integration
5. CloudConvert
CloudConvert is an efficient online tool designed to quickly convert WebM to MP4. Supporting batch conversion and offering customizable resolution, bitrate, and codec settings via drag-and-drop technology on multiple devices with preserved video quality. CloudConvert makes WebM to MP4 conversion fast, seamless, and pain-free. An ideal tool for a fast WebM-MP4 converter without installing additional software!
Pros:
- Online tool, no installation required
- Supports batch conversion
- Preserves video quality
- Works across all devices
Cons:
- Free version has file size and daily limits
- Requires stable internet
- Advanced features need a paid plan
Also read: 10 Best HEIC to PDF Converter | Fast & Easy Conversion
6. Convertio
Convertio is an intuitive online converter designed that allow you to quickly and conveniently convert WebM to MP4 in a few clicks. Support for Google Drive and Dropbox cloud storage makes uploads seamless. With adjustable video settings and fast processing speed, it provides high-quality MP4 output from WebM files without installation requirements, ensuring quick conversion times!
Pros:
- Easy-to-use online tool
- Supports cloud storage (Google Drive, Dropbox)
- Fast conversion with adjustable settings
- No installation needed
Cons:
- The free version has file size and daily conversion limits
- Conversion speed depends on the internet
- May raise privacy concerns for sensitive videos
Conclusion
Converting WebM videos to MP4 makes them more compatible, editable, and shareable across devices and platforms. Conversion tools like CloudConvert or Convertio provide quick results, while desktop tools such as VLC, HandBrake, Movavi, or Cisdem provide higher quality and customization. There’s sure to be one to suit every need. Choose wisely when looking for WebM-MP4 converters to ensure swift conversions without loss in video quality!
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