WebM to MKV Converter
Convert WebM to MKV with lossless quality using TalkHelper Video Converter.
- Convert video or audio files to 1000+ formats, including MP4, MKV, WebM, AVI, MOV, etc.
- Batch process multiple WebM files at the same time.
- No limits on file size.
- 30X faster conversion speed than any other converter.
How to convert WebM files to MKV?
Setup WebM to MKV converter
Download WebM to MKV Converter, install and launch it on your Windows PC.
Import WebM file(s)
Import WebM file(s) into TalkHelper Video Converter by clicking "add media"->"add files" menu.
Choose MKV format
Select MKV "Output Format" drop-down menu.
Convert WebM to MKV
Click "Start Convert" button to turn WebM file(s) into MKV with lossless quality.
WebM to MKV: FAQ
You can grab TalkHelper Video Converter as your go-to WebM to MKV conversion software and follow the step-by-step guide below:
Step 1): Download, install and launch TalkHelper Video Converter.
Step 2): Click on “Add Media” menu to import the WebM file(s).
Step 3): Navigate to the “Video” tab, select MKV and your preferred resolution.
Step 4): Click “Start Convert” button to convert WebM to MKV.
Usually it takes up to 1-2 minutes to transform an 2GB .webm file into an .mkv file.
All-in-one video converter: TalkHelper Video Converter supports a variety of video and audio formats besides WebM to MKV, you can find any possible format that you want to convert.
Optimize video quality: You can easily optimize videos for specific devices, social media websites and YouTube with rich presets in the software; this will save you a lot of time and effort to manually optimize those parameters.
Unlimited conversions: You can convert as many WebM video files as you want in TalkHelper Video Converter, and we don’t limit the file size either.
WebM vs MKV: Difference between WebM and MKV
| File Extension |
 .webm |
File Extension |
 .mkv |
|---|---|---|---|
|
Full Name |
WebM |
Full Name |
Matroska Multimedia Container |
|
Description |
WebM is an open, royalty-free multimedia file format designed for sharing videos online. It’s based on a profile of Matroska and compresses video streams with VP8/VP9 video codes, and audio streams with Vorbis/Opus audio codecs. |
Description |
MKV is the Matroska multimedia container format that incorporates several types of audio, video, and subtitles tracks (like USF or SRT) into a single file. MKV files are usually used for distributing short movies and audio clips online. |
|
Developer |
Initially On2, Xiph, Matroska, later Google |
Developer |
CoreCodec, Inc. |
|
MIME Type |
video/webm |
MIME Type |
video/x-matroska |
|
Video Codecs |
VP8, VP9, AV1 |
Video Codecs |
MPEG-1, MPEG-2, MPEG-4 (A)SP, H.264/MPEG-4 AVC, H.265/HEVC, VC-1/WMV, Real Video, Theora, Microsoft MPEG4 V2, VP8, VP9, MVC |
|
Audio Codecs |
Vorbis, Opus |
Audio Codecs |
MP3, WMA, Vorbis, Opus, AAC, AC-3, DTS, PCM, LPCM, FLAC, ALAC, MLP/Dolby TrueHD, DTS-HD |
|
Associated programs |
VLC Media Player MPlayer Media Player Classic Google Chrome Firefox Opera Microsoft Edge |
Associated programs |
VLC Media Player KMPlayer MX Player DivX Player GOM Player PotPlayer |
|
File Conversion |
WebM Converter |
File Conversion |
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