7 Ways to Convert WebM to MP4 on Mac, Windows, Online
Before choosing from various WebM to MP4 converters, there are some questions you need to consider.
- How many WebM files do you have?
- How large your WebM file is?
- Do you need other video editing tools?
- Are you tech-savvy?
If you need to convert large WebM files to MP4 and other formats frequently, it is suggested that you use a desktop video converter. You can get advanced video editors and GPU acceleration compared with online WebM converters. As for people who rarely convert WebM files, an online video converter is also okay. Now, you can choose from the following solutions.
4 Ways to Convert Large WebM Files to MP4 on Windows and Mac
Though iOS 15 and macOS Big Sur have added the WebM capabilities to Safari, you still need to change the file format to MP4 for compatibility with earlier versions. After comparing hundreds of video converters, we pick up 4 WebM video converters with high rates and experience. You can choose any tool to convert unlimited files from .webm to .mp4 on your computer.
#1. AnyRec Video Converter
AnyRec Video Converter is your best WebM video converter and editor software on all Windows and Mac versions. You can convert multiple large WebM files to HD MP4, HEVC MP4, 4K MP4, and even the optimal MP4 for devices such as iPhone 16, Apple TV, and more devices. GPU acceleration can make video conversions fast, even on low-end computers. Moreover, you can compress, trim, merge, rotate, add/remove watermarks, improve video quality, and apply more video editing effects on those WebM files.
Convert from WebM to MP4 and 1000+ formats.
Batch video conversion at 50x faster speed.
Edit WebM files with lightweight tools.
Keep the original audiovisual quality.
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1. Open AnyRec Video Converter. Click the "Add Files" button to upload your WebM files.
2. MP4 should be the default output video format. If not, you can click the "Format" button to change it.
3. Click the "Settings" button in the gear icon. In the "Edit Profile" window, you can adjust video quality with encoder, resolution, frame rate, and more options. (optional)
4. Click the "Convert All" button to convert all WebM files to MP4. Go to the "Converted" section to find MP4 files quickly.
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#2. VLC
VLC Media Player is a free WebM video converter and player on Windows, Mac, iPhone, and Android. You can convert WebM to MP4 with VLC for free. However, some users complain that VLC crashes or freezes while converting large files in WebM AV1 files. If you encounter this problem, you can move on to other solutions.
1. Open VLC. From the "Media" top list, click the "Convert/Save…" button.
2. Click the "Add…" button. Add a WebM file into VLC. Then click the "Convert/Save" button to move on.
3. Select "Video – H.264 + MP3 (MP4)" from the "Profile" list. At last, click the "Start" button to convert the video to MP4 using VLC.
#3. HandBrake
HandBrake is a free and open-source WebM to MP4 converter you can consider. It's okay to transform WebM files to MP4 on your Mac and Windows computer. The encoding time of HandBrake depends on the performance of your computer. So, if your laptop is less powerful, it might take a bit longer to change .webm to .mp4."
1. Open HandBrake. Click the "Open Source" button to import a WebM video.
2. In the "Format" section, select "MP4 File" as the output video format.
3. Adjust dimensions, filters, and more based on your needs. (optional)
4. Click the "Start" button (or "Start Encode" button on Windows) to turn WebM to MP4.
#4. FFmpeg
If you are familiar with command lines, you can transcode WebM to MP4 using FFmpeg. Just copy and paste the following commands into FFmpeg. Replace input.webm and output.mp4 with the specific file name. Later, press the "Enter" key on your keyboard to get this video with the .mp4 file extension.
| Types of WebM to MP4 Conversion | FFmpeg command lines |
| Basic conversion | ffmpeg -i input.webm -c copy output.mp4 |
| Convert and recode video to H.264 and encode audio to AAC at 128 kbps | ffmpeg -i input.webm -c:v libx264 -preset slow -crf 22 -c:a aac -b:a 128k output.mp4 |
| Convert and resize video to 1280×720 pixels | ffmpeg -i input.webm -vf "scale=1280:720" -c:v libx264 -c:a aac output.mp4 |
| Convert and change frame rate to 30 fps | ffmpeg -i input.webm -r 30 -c:v libx264 -c:a aac output.mp4 |
| Convert with fast encoding | ffmpeg -i input.webm -preset fast -c:v libx264 -c:a aac output.mp4 |
3 Ways to Turn WebM to MP4 for Free Online
Online converters can be quick solutions for changing the file format to MP4. Check the maximum file size limit of each online WebM file converter. Then, you can save a WebM file to MP4 online quickly.
#1. AnyRec Free Video Converter
Maximum file size limit: /
Batch Conversion: Yes
1.Open https://www.anyrec.io/free-online-video-converter/.
2.Click the "Add Files to Start" button to upload your WebM video.
3.Make sure MP4 is the default output video format.
4.Click the "Convert" button to save WebM to MP4 online.
#2. CloudConvert
Maximum file size limit: 1 GB
Batch Conversion: Up to 25 video conversions per day
1. Open CloudConvert. Click the "Select File" button to add your WebM video.
2. If MP4 is not the default output format, you can unfold the "Format" list to make it correct.
3. Click the "Convert" button to start WebM online conversion.
#3. FreeConvert
Maximum file size limit: 1GB
Batch Conversion: Up to 20 file conversions
1. Open FreeConvert online video converter.
2. Upload your WebM video file from a device, cloud drive, or URL.
3. In the "Output" section, make sure MP4 is the output format.
4. Click the "Convert" button to change a WebM file to MP4 online.
Conclusion
In summary, if you are okay with the file size restrictions, output video quality, and long-time waiting, you can use an online WebM converter. If not, an offline WebM video converter should be a better choice. For people who don't have technical knowledge, AnyRec Video Converter is a good choice. You can trim, crop, merge, and edit large WebM files before exporting.
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