Next, click the Add button. Navigate and select the MKV video you want to convert. Once the video is selected, click on Convert/Save. In the Convert dialog, click the drop-down for Profile and select Video – H.264 + MP3 (MP4). Next, click the Browse button and select the file destination. Here's the step-by-step guide that you can follow to reduce MKV file size online without losing quality: Click on the Choose File button. Select the MKV file that you wish to reduce online without losing quality. Wait until the MKV video gets reduced to a smaller size. Download & save the reduced MKV file. How do I convert an .mkv video to .mp4 using Avidemux 2.7.1 but without losing quality? I think this lossless process is called rewrap, if it rings any bells 0. UK. Mar 22, 2011. #1. I have a load of 1080p .M2TS video files that I'd like to convert to .MP4 to use with an Apple TV, but I can't find a way of converting them without loosing quality. I have tried using Handbrake, but that results in the end file being up to 3 times the size of the original. I then tried using Handbrake to convert the Download for Free. Step 2. Choose files for conversion. Launch the program. Click the Add Media button in the upper-left corner and then Add Video. Choose one or more MKV files that you want to convert to MP3. Step 3. Select MP3 as the output format. Open the Audio tab and choose the MP3 group. In this video I am going to share with you How to Convert MKV to MP4 Without Any Software.#covert #MKV_To_MP4For more interesting updates Please subscribe My Choose the output format. In this case, select MP4. Choose an existing preset or create one yourself. Press the “Convert” option to transform your MKV file into an MP4 file. Wait a couple of With Online UniConverter, you can easily convert MKV to MP4 online in 3 steps. Step 1. Click "Choose Files" to add your MKV files. Step 2. Select "MP4" as output format. Step 3. Hit the "Convert" button to start converting MKV to MP4. Finally, save the converted MP4 files in one click. 3. fU6a.