Cannot Convert MKV to MP4 with VLC? Solved Here!

The open-source MKV is always aksed to be converted into MP4 due to the compatibility issue, so that it can be accepted by more modern devices and media players. VLC comes as a powerful media player which could also works as a video converter. So here we will explain how to free convert MKV to MP4 using VLC in detail.

Part 1: How to Use VLC to Convert MKV to MP4 for Free

Step 1: Go to VideoLAN homepage and free download VLC converter. 
Step 2: Click the Media tab -> Convert/Save to launch the Open Media window. 
Step 3: Click Add button on the File tab to locate the MKV to be converted on your computer. Or drag and drop the MKV file into the convert list. Then press Convert/Save button.
Step 4: Choose output format. If you need to freely convert MKV to MP4 in VLC, just select the profile H.264+MP3 (MP4). 
Step 5: So on setting adjustment. Tap Setting icon next to it to select MP4/MOV at Encapsulation tab. Click both Video and Keep original video track on Video Codec tab. Select Audio and Keep original audio track on Audio codec tab. Then click Save button. 
Step 6: Press Browse to select the output folder where you want to save the MP4 file. 
Step 7: Click Start to beginning the conversion from MKV to MP4 in VLC.

Even though VLC has claimed that it has the ability to convert MKV to MP4, we still meet some issues during the actual operation. For example, the output MP4 file contains only the audio track while the video is mission with a black screen left or there is no audio after the conversion from MKV to MP4 using VLC’s Convert/Stream function. What’s more, the VLC converter crashes but no error messages show up during MKV transcoding or it closes immediately or right when it’s finished but the resulting file is unplayable in VLC with a message "Ooops: VLC media player just crashed." So to solve the issues above, I highly recommended you to download a VLC alternative, Pavtube Video Converter Ultimate for PC | Mac. Scroll down to see how the alternative works – converting MKV to MP4 without any obstacles.

Part 2. Best VLC Alternative to Convert MKV to MP4 without Issues

There are tons of VLC alternatives in the market, so you don’t need to try them one by one, just trust me, why I share this program with you? Reasons have listed here. It is the best free MKV to MP4 converter for Mac and Windows,  featuring the ability to convert among HD and SD videos, e.g. MKV to MP4, MOV to WMV, YouTube to MP3, H.265 to H.264, MTS to MP4, MP4 to MP3, AVI to MP4, etc, so that you can play any video on iPhone, iPad, Apple TV, Samsung smartphone, Xbox One X, etc while keeping original quality and delivering a super fast converting process. 

Step by Step to Convert MKV to MP4 with VLC Alternative

Step 1. Click Add Video button on the main interface to load MKV video to be converted. It also support batch converting MKV videos to MP4.

Step 2. Go to video formats up-down bar, from its main menu, navigate cursor to "HD Video" or "Common Video", select MP4, HD MP4 from its submenu as you like.

Step 3. Adjust video parameters optionally. Go to "Video Profile" window by clicking Settings. Here you can do some change to video/audio codec, bit rate, frame rate, channels, according to your own needs.

Step 4. Tap Browse to save the output MP4 video and click Convert to start converting MKV to MP4 with the VLC alterative. Wait for a while, click Open to locate the generated file.