Hit Start to convert WebM to MP4.Īfter changing WebM to MP4 in VLC, if your video suffers the audio missing error, or the audio is not in sync with the video, you can use VideoProc Converter to convert stably without error and force A/V sync. Select Video – H 264 + MP3 (MP4) profile. Find the wrench icon and click the drop-down menu. Click the Convert/Save button at the bottom of the current window. Click the add button to import WebM video files. You can use the shortcut key Ctrl+R to open that window. Launch VLC and go the menu to find the Convert/Save option. You can search VLC media player in your system to check whether it is installed previously. Download and install VLC on the official page Though some users report audio missing or out of sync issues after conversion.įollow the steps below to convert WebM to MP4 using VLC: Since version 2.1.1, VLC has added VP9 into its codec library, making it possible to decode WebM videos that are encoded in VP9. Though originally designed as a media player, VLC can be repurposed as the free WebM to MP4 converter. The converter will start to turn WebM into MP4 videos one by one automatically, until it finishes the queue.įor mobile users, click here > VLC - Repurposed WebM to MP4 Converter Designate the export folder and click Run to convert WebM videos to MP4. You can also edit, trim, rotate, brighten the video. Manage codec settings for each WebM video. Drag and drop multiple WebM files into VideoProc Converter > Video to queue them up. If you have multiple WebM videos with different specifications, you can batch convert WebM to MP4, while managing the codec settings for each WebM file flexibly.įor instance, you can convert 4K, 1080p, 720p WebM videos in one batch, while maintaining their original resolutions respectively – or change to uniform specs as you wish. VideoProc Converter also supports batch conversion tasks. How to Convert Multiple WebM Files to MP4 using VideoProc Converter Enable Recalculate Time Stamp to force A/V sync. Go to the Codec settings > Edit Video > Audio & Video TabĢ. If the original audio in WebM file is out of sync with the video, you can use VideoProc Converter to force A/V sync. You can also change video resolutions, aspect ratio, compression quality, and bitrate mode. If you are familiar with codecs and prefer to take more control over the conversion process, you can click the gear icon to go inside the Codec Settings.įor instance, you can choose between AAC or MP3 as the audio codec for the MP4 video. Since Webm only supports VP8 and VP9, when converting to H264 or H265 MP4, transcoding is needed. It will boost the conversion speed significantly, up to 47x real-time faster.
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