December 01, 2021
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WebM, an audiovisual file format, is widely accepted by HTML5 and Chromecast. Although it works with all the modern browsers, like Safari, Firefox, Chrome, Opera, etc., it can’t be played on Mac, Windows, or other devices. To solve this problem, you’d better change the WebM file to the most compatible video format - MP4. In this article, we will introduce how to convert WebM to MP4 on Mac and Windows.
| WebM | MP4 | |
|---|---|---|
| Developed by | Google Inc | International Organization for Standardization |
| Video codec | VP9, VP8, AV1 | H.265, H.264, MPEG-4 Part 2, MPEG-2, MPEG-1 |
| Audio codec | Vorbis, Opus | AAC, MP3, and more |
| Quality | High quality, but slightly inferior to MP4 | Excellent |
| File size | Smaller than MP4 | Small |
| Supported devices | Can't open on the computer, iPhone, iPad, etc. directly | Playable on all devices |
WebM is designed for browsers or the Internet, so it has an advantage on compression ratios compared to MP4. Similarly, this will also cause WebM's video quality to be slightly inferior to MP4.
Format compatibility issue is the key reason for converting WebM to MP4. As a universally adopted format, MP4 offers seamless compatibility with most devices/media players and requires very little disk space.
Cisdem Video Converter is an award-winning program that's able to batch convert WebM to MP4 on Mac with blisteringly speed. It supports conversions among a total of 350+ formats and 50+codecs, such as MKV to AVI, MP4 to iPad, MOV to MP3, YouTube to FLAC. Thanks to its high-end features, you can edit, merge or compress WebM before converting it to MP4.
What Cisdem best WebM to MP4 converter for Mac can do for you?
Step 1. Add WebM files
Simply drag and drop WebM files stored on your Mac to Cisdem Video Converter. Multiple WebM videos can be added for batch conversion.
Step 2. Set the output format as MP4
Open the format panel and select the desired category from the left sidebar. Except for the "General Audio" category, every other category provides an MP4 output format. For example, you can navigate to “General Video” > “MP4”.
In addition, there is an “Advanced Settings” window for adjusting file properties. Just click "gear" alongside the format you have selected.
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Step 3. Edit and enhance WebM videos before conversion (optional)
Click the "Edit" icon to enter the window where you can add effects to the video, trim the video to get specific parts, etc.
Step 4. Mass convert WebM to MP4 on Mac
When all the settings are done, click the convert button. The conversion process will not take too much time.
When it comes to the best WebM to MP4 converters for Windows 10/8/7/Vista, HD Video Converter Factory should take its place. It is absolutely powerful and smart. Not only does it help you change WebM file to MP4 but to almost all popular formats. Due to its GPU acceleration, the program makes it quick to convert high-quality video.
VLC and Handbrake have three characteristics in common: available on multiple platforms, including Mac and Windows; free and open-source utility; have a long history. Anyway, they are all decent WebM to MP4 converters. The following is how to convert WebM to MP4 via the two freeware, taking the Mac platform as an example.
VLC includes a number of free decoding and encoding libraries, so it can decode WebM formats effortlessly.
Unlike it on Windows, the Mac version will save the file to M4V after selecting MP4 as the output format. Although MP4 is basically the same as M4V, M4V videos are not uploaded to popular streaming sites such as YouTube.
Additionally, the constant problem encountered when using VLC to convert WebM to MP4, regardless of the system, is that the exported video loses sound.
Handbrake is quite a lightweight WebM to MP4 converter for Mac and Windows. It ensures that converting a video from wide codecs to .mp4/.m4v/.mkv/.webm. Prior to conversion, you can customize the video attributes.
However, there is a deficiency in converting large files, especially when your WebM video is larger than 1GB, handbrake won't render it correctly.
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If you don’t need a built-in Webm to MP4 converter on your computer or high-quality MP4 videos, you can use Web-based converters. Here, we picked two good options.
It supports the output formats like MP4, AVI, FLV, MPG, MKV, WMV, M2TS, WEBM, GIF, etc. But you can’t convert WebM to MP4 online in batch and the uploaded file size can only be up to 200M. Once the conversion is complete, you can download the MP4 video or save the file to online storage services.
Zamzar enables users to convert WebM to MP4 through the Internet without downloading software. It can also help you convert WebM to other different formats such as MKV, FLV, MP3, OGG, FLAC, WAV, GIF, WMV, etc. But you should be in a stable Internet connection environment, or you can’t enjoy the quick conversion online. Meanwhile, you are limited to 50 MB max file size on free, thus it doesn’t do well in converting large WebM like 4k WebM video.
Adobe Media Encoder supports a long list of video formats, including 3GP, MOV, HEVC, ASF, AAF, etc. except WebM. To import WebM format in Adobe, a Premiere plug-in for WebM must be installed. You can try the WebM plugin created by Fnordware.
Video compression and conversion have become essential elements for many movie and music enthusiasts. To enjoy WebM videos on all devices, you need to convert them to MP4. The above shows how to convert WebM to MP4 in 3 different methods. Given the limitations of freeware and online WebM to MP4 converters, we’re more inclined to recommend professional tools.
Peter has always had great enthusiasm for writing, programming and web development. He likes writing about software and technology, his works are featured on some tech blogs or forums like Tom's Hardware, CNET, etc.
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