Unable to Play WebM Files from a Synology NAS- Solution



Have some media files on Synology NAS. Some MP4 plays fine via Plex, but most of my files are WebM and does not play. When I start a video, I get a brief black flash and then I am returned to the Plex menu.

Your media players can’t open and run Webm Files from NAS? Actually, WebM is not a widely supported format for kinds of media player, media sever, portable devices.

To manage your WebM files on kinds of DLNA compatible devices, you’d better convert WebM to the correct format before storing on NAS drive. Brorsoft Video Converter is a highly recommended tool to help you finish the task. It is a great WebM converter that supports transcoding WebM to MP4, MKV, FLV, MPG, WMV and more. Meanwhile, it also comes with useful editing functions, like video joining, video trimming, splitting, cropping, etc. For those who are running on Mac OS X(High Sierra), please get Video Converter Mac. Now just download the program to learn how to convert WebM to store on NAS for DLNA streaming.

Convert WebM to NAS compatible videos without Quality Loss

1. Import WebM files to the converter

Install and launch the program, and then click the Add button to import the WebM files or directly drag and drop them into the main display window of this program.

Tip: If you want to join WebM files into a big file, tick the “Merge into one file” box.

2. Decide output format

Tap Format bar and choose a proper output format. To stream videos over DLNA from NAS, you’d choose a NAS and DLNA supported video format. MPEG-4 from “Common Video” is a wise choice.

Tip: If the default parameters do not meet your needs, you can click “Settings” to change the video encoder, resolution, frame rate, etc. as you wish.

3. Convert WebM for storing on NAS

Click Convert button to start converting WebM media to MP4 for NAS streaming. After the conversion, you can get the resulted videos by clicking the Open button and then you can connect your DLNA devices (PS4, Samsung TV, Galaxy Tab, etc) to the NAS for our home viewing.

Related Guides:
Solution to Plex Can’t Play Webm Files
How to Convert Webm to Quicktime MOV on Mac
Best Way to Use Webm File in Imovie

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