Written by If you have recorded the 4k video by Sony RX10 III that you would like to upload to YouTube, it is simple. The standard formats for YouTube uploaded videos are, at most, 720p or 1080p. Thus, uploading RX10 III 4k videos requires you to have a 4k resolution video already in place before the upload process. In other words, YouTube cannot convert the video into 4k by itself.
According to some forums, we found that more than one YouTube users are troubled by the issue- how to upload a Sony RX10 III 4K video to YouTube. To solve the troubles for the users, here we’d like to figure out the tricks and such. There are two basic issues we need to resolve: divide Sony RX10 III 4K files into shorter 15 min sections( YouTube has a 15 min limit in usual.); convert Sony RX10 III 4K video to a compatible file type .mov, .mpeg4, .avi, .3gp for YouTube. Another important, adjust the video bitrate, frame rate for your 4K video before putting to YouTube.
To achieve the goal effortlessly, download and install Pavtube Video Converter. Overall, the best 4K Video Converter just can meet your needs. With it, you can fast convert Sony RX10 III 4K videos (AVCHD/MPEG-4/XAVC-S) to YouTube compatible format like AVI, MP4 without quality loss. What’s more, with the built-in video editor, it’s freely for you to trim the 4K videos into multiple segments with short duration. The most important is that, it allows you to modify the video bitrate, frame rate, video size, audio channel, etc for your original 4K clips for easier uploading. If you’re using a Mac, simply turn to Pavtube Video Converter for Mac to convert and transfer Sony RX10 III 4K to YouTube on Mac.
Hot search: GoPro Hero4 4K Videos to YouTube/Vimeo, Sony/Canon/Panasonic MXF Files to YouTube, H.265/HEVC Videos to YouTube/Vimeo
Free download the best 4K to YouTube/Vimeo/Facebook Converter: 
Other Download:
– Pavtube old official address: http://www.pavtube.com/video_converter/
– Amazon Download: http://download.cnet.com/Pavtube-Video-Converter/3000-2194_4-75734821.html
– Cnet Download: http://download.cnet.com/Pavtube-Video-Converter/3000-2194_4-75734821.html
Detailed steps to Transcode Sony RX10 III 4K Video to YouTube Standard Video
Step 1: Import 4K files. Free download the 4K video converter and launch it. Then click “+” icon or directly drag and drop the 4K video to it.
Step 2: Choose the output formats. MP4, MOV, AVI, WMV, FLV, 3GP, MPEGPS and WebM are all 4K supported formats for YouTube uploading. You can choose any the more suitable .mp4 formats for the attempt of uploading 4K to YouTube. 
Step 3: Adjust the parameters. Apart from video format, there are also some parameters affecting you to transfer 4K video to YouTube. Click the gear button to adjust them. Generally, 4K video is set in 60fps and 16:9 aspect ratio.
Step 4: Start conversion. Click the “Convert” button to convert 4K video in the range of YouTube video upload rules.
Tips:
Here are some tips for uploading your 4k videos to YouTube so they are available for everyone to watch in this high resolution:
First of all, exporting your video from a more high end video editor, such as Adobe Premiere, may be required, since most free video editors do not carry the option of 4k resolution. Edit the frame size (in pixels) in the Setting category of Premiere (and other editors), as shown in the image below. 
Sometimes, the fps (frames per second) of your video may limit its 4k resolution availability on YouTube. If you have uploaded a video at 60fps and it has not worked, try converting it to 30fps and you may have more success. (You can do this as seen in the above and below screenshots). 
Other than these requirements, simply access your YouTube channel and upload your 4k video how you normally would any other video. After you have done so, the option for 2160p (4k) resolution should be available under the gear icon in the video.
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