Basic technological and informational requirements and recommendations for the videos uploaded to YouTube. Read this comprehensive tutorial to find out about formats, resolution, video duration, metadata and several other concepts.
Supported formatsYouTube allows to upload videos in the following formats:
Aspect ratioUse one of the standard aspect ratios: 4:3 or 16:9. After the video is uploaded to YouTube, you’ll be able to keep it at 16:9, or add black letterbox bars for 4:3.
Video Frame RateA video’s frame rate during upload and coding should be the same as it was during recording. The standard frequency is: 24, 25, 30, 48, 50, 60 frames a second (although YouTube accepts other frequencies, as well). Interlaced content should be deinterlaced before it is uploaded. For instance, a 1080i60 video has to be deinterlaced to 1080i30, from 60 alternate fields to 30 progressive frames a second.
YouTube video BitratesRecommended bitrate values for uploaded videos:
|Type||Standart Frame Rate (24, 25, 30)||High Frame Rate (48, 50, 60)|
|2160p (4k)||35-45 Mbps||53-68 Mbps|
|1440p (2k)||16 Mbps||24 Mbps|
|1080p||8 Mbps||12 Mbps|
|720p||5 Mbps||7.5 Mbps|
|480p||2.5 Mbps||4 Mbps|
|360p||1 Mbps||1.5 Mbps|
To watch a 4k video in its optimal quality need a device or a broswer that supports VP9.
YouTube audio bitratesRecommended audio bitrate values for uploaded videos:
Uploading long videosBy default, you can upload up to 15-minute long videos to YouTube. To be able to post longer videos, you need to verify your account from your mobile. The procedure is as follows:
- Follow the link https://www.youtube.com/verify;
- Perform all the actions, required to verify your account;
- You’re done!
You’ve performed all the actions, but you still can’t upload a video? Please, check if anyone’s claimed your video as their copyright content. YouTube only allows you to upload the videos that don’t have Content ID applications.
Metadata requirementsMetadata is the whole body of information on your video: its title, description, tags and annotations. It helps users find your videos on YouTube. That is why YouTube recommends that you don’t resort to the following practices:
Using false metadataUsing false metadata (popular words in tags and descriptions that are not related to the video) to increase the number of views might lead to account notification and video removal.
For example, if your video is about drawing a picture, don’t tag it with the name of a popular artist or mention the name in the description, unless the video has some mention of that artist.
Adding tags to video descriptionTags are isolated words or short phrases that are inserted into a special field in the video inform section. If you include tags into the description, it would be treated as a violation of the rules and can get your video removed.
Uploading a VR videoYou need to export the video content as a vertical over-under of equidistant projection before you upload it to YouTube. The aspect ratio should be at 1:1, and the resolution should be from 5120×5120 to 8192×8192. Use square pixels. The video should have a horizontal layout and fill out the whole player window. Make sure that there is no letterboxing.
If you’ve got display defects after compressing a video, repeat coding with a higher bitrate. For instance, try to increase it to 150 Mb/second.You need to embed special metadata to make the system recognize your VR-video. You can do it with the help of a YouTube application (Mac | Windows).
API upload requirements
Learn more: How to get and use YouTube API KeyYou or the users of your resource who upload videos via YouTube API must have the copyright to the videos, or represent the videos’ owner. Keep in mind that uploading a video file via API is limited to 100 Mb in size, but not limited by the duration of the video. A video can be compressed in .zip format, but the limit refers to decompressed files.
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