Summary: We collected the top 2 WebM to MOV converter here in the post for you to convert WebM to MOV on Mac/Windows/online. And if you are seeking a way to convert .webm to .mov with the alpha channel to keep the transparency, you can resort to the first solution below!
WebM features a convincing web performance by enabling real-time, high-quality video delivery to numerous devices and browsers. However, the lack of prevalence gives WebM less compatibility with common devices and tools than MP4, MOV, and other formats that boast a higher degree of acceptance. Particularly, Microsoft Edge requires an additional plug-in to play WebM files, and in Apple's ecosystem, iPhone and iPad object to WebM playback, though the native WebM support was added to Safari 14.1 for the desktop services. And thus the claim to convert WebM to MOV is asserted among users.

How to Convert WebM to MOV on Windows/Mac
Running as a robust free WebM to MOV converter, VideoProc Converter offers support for preserving Alpha transparency, allowing you to convert WebM to MOV without losing transparency. In addition, the .webm to .mov converter has the capability to handle 370+ video codecs and can easily convert WebM to MP4 H264/H265, AVI, JPG, MP3, etc. with simple clicks on Mac and Windows. Driven by Full GPU acceleration, the conversion tool can ensure a well-balanced performance in terms of both speed and quality when converting .webm to .mov files.

VideoProc Converter – Best WebM to MOV Converter for Mac/Windows
- Convert WebM to MOV with alpha transparency, and Webm to MP4 H264/H265, AVI, JPG, MP3, etc.
- Full hardware acceleration to hasten batch WebM to MOV convert on any computer.
- Customize output file properties for resolution, bit rate, frame rate, and more.
- Beyond just the best video converter, but also the best video downloader, compressor, and easy editor.
Excellent
Step 1. Free download and run VideoProc Converter, and navigate to the Video panel > +Video to add your WebM files (batch import and drag-and-drop feature are supported).

Step 2. Select the MOV as the output format.
Click Video at the bottom and find MOV H.264, or go to the Target Format where you can find more MOV profiles paired with other codecs.

Tip: if the original WebM file video has an alpha channel, converting it to MOV ProRes444 using VideoProc Converter will help you preserve transparency easily.
Step 3. Enable Hardware acceleration, choose the output directory and click Run to convert WebM to MOV.
How to Convert WebM to MOV Online
For those who are after a nimble solution without the aid of third-party software, the online conversion would be a nice way out. And amid assorted online WebM to MOV converters, we have singled out a practicable pick here – CloudConvert.
Characterized by its strong support for over 200 formats, CloudConvert can convert almost every file piece you throw to it. Included is not only the ability to access audio, video, document, and image but also ebook, archive, spreadsheet, and presentation formats. Embedded with a clean and straightforward interface, the tool brings to the users the most effortless online WebM to MOV conversion workflow. Besides, as is stated in its privacy policy, data security is ensured for all uploads and downloads, and you can rest assured to use the service to convert WebM to MOV.

Step 1. Go to the WebM to MOV online converter, import the WebM files, and make sure to set the MOV as the output format.
Step 2. Hit the Convert button to initiate the conversion process.
Step 3. Once the conversion is complete, click Download to download the converted MOV file.
Note: Though online conversion can be handy, it comes at a cost on other sides. For example, for CloudConvert, the free usage limit is up to 25 conversions per day, and a subscription fee is required if exceeding the cap, and on top of that, video quality is another thing to concern. Presented down below is a general contrast diagram between the online WebM to MOV converter and VideoProc Converter for your reference.

Thus if you are seeking a thorough and limit-free solution to convert WebM to MOV, check out VideoProc Converter – an all-around video processing tool to answer all your conversion needs.