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Free Mkv WebM Converter

  • Convert all your files to Mkv, Webm, audio ogg for FREE
  • Top image quality + fast conversions
  • 1 click conversion with advanced features
  • Impressive list of available options
Free download Free download
57 MB

Convert any videos into WebM, MKV and audio OGG for FREE

  • Convert from Any video format, including DVD, Avi, Blu-ray, flv, mp4, dvd, iso... 
  • Complete with a comprehensive editing tool
  • 100 % FREE video converter
  • If you want to convert to more formats, including DVD, AVi, tablets, etc, check out our all-in-1 VSO Video Converter

For beginners and avanced users

esay to use converter
  • 1 click: insert video and click on "Convert"
  • Timeline display for clear overall view and ease of use
  • Automatic detection of main movie and right angle for Blu-rays
  • Includes a live preview for audio and subtitle tracks selection
  • Custom settings for advanced users are only 1 click away


top quality
  • Impressive quality results
  • Luminosity, brightness, contrast and saturation control for outstanding image
  • Advanced Image Filter to convert images down from HD to SD if needed

Special features for thorough customization

  • Add subtitles: advanced editor and preview, DVDsub or hardcoded, forced subs supported
  • Cut off any unwanted part(s) of the video
  • Merge files together to create one unique video file
  • Offset option for perfect audio/video/subtitles synchronization
  • Image rotation
  • Remux profiles for MKV
  • Sound effects
  • Chapter support: keep original chapters or create new chapters
  • Audio booster
  • Padding and cropping features
  • Interface customization, more than 20 designs

Hardware decoding+ multi-core + h264

cuda converter
  • Encoder optimized for multi-core processors convert 3x's faster
  • DXVA2 hardware decoding: NVIDIA CUDA, Intel and ATI technology
  • Processes simultaneous conversions

*No external codecs or additional software needed except a decrypter if converting from protected Blu-ray/DVD disks.
If you want to convert to more formats, you can buy the license for VSO Video Converter and convert to Avi, DVD, Tablets, Smartphones, mp4 formats!
Input (video, audio and subtitles): Output (video and audio format and codecs): 

(as additional streams)

AviSynth Script

Digital Video Recording


High Definition Video

Flash Video



MPEG-4 / QuickTime

Nullsoft Video

Ogg Vorbis / Theora

Real Media (with external DLL)

- Subtitles in MOV files
- DVB Subtitles
- DVD Subtitles

Windows Media




Incrusted in video / harcoded
Forced subtitles supported

Operating System

Windows 10/8.1/8/7/Vista/XP - 32 & 64 bit

MAC user click here to get the best alternative!
User Review
154 reviews

comment Absolutely the best program there is for burning movies... comment
20 January 2015

comment purchased for a specific one-off purpose which it achieved very well... comment
Darrell West
20 January 2015

comment Use several VSO products. The quality is excellent and generally easy to use... comment
20 January 2015
United states

comment Very happy with this product. Very easy to use and
converts MKV to DVD/ISO with excellent quality... comment
20 January 2015

comment It's a great product that outputs outstanding quality... comment
Cody Lovett
27 December 2014

comment After using VSO Video Converter for a week or so I am quite pleased with the product overall... comment
Robert Michalyshyn
27 November 2014

comment Works perfect and fast, better than the AVS4you. comment
A. Kwan
27 November 2014

comment This software is the only one that kept audio and video perfectly in sync for me when converting from mp4 to DVD... comment
26 November 2014

comment I hade an older version but this one works a lot farster and i am very happy with it comment
26 November 2014

comment Use it often to convert to xvids to watch on standalone dvd player. comment
Michael Diks
04 November 2014

comment This works great! It used to take forever to upload videos recorded in a weird format from my older camcorder, but now I convert them to mp4 and they upload much more quickly... comment
04 November 2014

comment After buying other video transcoding softwares, I was so glad VSO came out with this fast, simple interfaced and feature rich program... comment
Robert A.
25 October 2014
Folsom, ca, United states

comment Convert X to DVD 5 is the best and easiest tool to convert files to DVD (bar non! Trust me I have wasted money on others and having the free trial to test it is a plus... comment
Rob S.
19 October 2014

comment Why that Xilisoft is more popular than this one? I've downloaded and tested several converter programs, most of them were good but lacked something and didn't suit my needs... comment
17 October 2014

comment Just open the software, browse for your file you want to convert, select the output file type and start - simple! There are other setting adjustments but I haven't played around with them yet... comment
17 October 2014

comment Converts from just about anything to all major requirements including dvd etc... comment
16 October 2014

comment I find that your video conversion software is very productive and fast... comment
Daniel Wison
15 October 2014
Vallejo, ca, United states

comment Excellent product - very easy to use and works great - no problems comment
14 October 2014

comment I have been a previous VSO Software user, having used ConverterXtoDVD and like that software I am throughly pleased with VSO Video Converter... comment
14 October 2014

comment Still learning all the processes and settings but the program saves me a lot of time... comment
Philip Cosby
14 October 2014
United states

comment I also use ConvertXToDVD 5 and Blu-Ray Converter Ultimate 3... comment
Harry Sechrest
14 October 2014

comment Wow, what a program. I used to have several programs to switch video formats, convert DVDs, convert Blurays, but now I can do it all with one. comment
T. Brown
14 October 2014

comment Like it very much use it more than convertXtodvd now specially that I can convert to tablet or phone. comment
Walter Deans
14 October 2014

comment I was confused at first. The instructions and way to operate is not easy to follow... comment
David Wood
14 October 2014

comment the VSOvideo convert is for me a excellent software comment
Luis calderon
14 October 2014
Sydney, Australia

comment I bought this program to enhance my ConvertX to DVD 5 purchase... comment
Robert A.
12 October 2014

comment I have the VSO Video converter & the ConvertXtodvd & the Copyto... comment
Egon Lewkut
26 September 2014

comment Product does what is says. Simplicity at its best.
A great piece of gear... comment
Andrew Phalon
26 September 2014
Sydney, Australia

comment I've purchased ConvertXtoDVD 4 and recently XtoDVD5 Both products are OUTSTANDING... comment
26 September 2014
United states
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Latest Version
Date: 10-25-2016

Version History


Open Source