Once you've finished converting videos to YouTube acceptable format, made sure it's less than 10 minutes, smaller than 2GB in size, you're ready to upload it.
button in the upper-right-hand corner of any YouTube page.It can take from a couple minutes to an hour for your video to upload to YouTube. If you're receiving an error with your Upload, you might want to make sure you're attempting to upload a file that's recognized by YouTube. YouTube accepts video files from most digital cameras and camcorders, and cell phones in the .AVI, .MOV, .WMV, and .MPG file formats.
Please note: your video must meet our uploading requirements: no larger than 2GB and no more than 10 minutes in length. If your video does not meet these requirements you will need to re-edit the video file on your computer then upload the new file to our site.
Have more than one video file to upload?
Not a problem! You can upload up to 10 video files in a single uploading session.

Originals Please!
The less a video is re-encoded prior to uploading, the better the resulting YouTube video quality. We encourage you to upload your videos as close to the original source format as possible, with a minimum of intermediate re-encoding steps. Each re-encoding can generally degrade the quality of your video and create some specific problems too, which we'll address below.
Frame Rate
The video frame-rate should be the same as the original where possible - up-sampling from a 24fps original can cause judder artifacts for example. For film sources a 24 fps or 25 fps progressive master yields the best results while videos that have had a re-sampling transfer process applied - such as Telecine pulldown - often result in a lower quality video.
Resolution
High-definition videos are the preferred format for ingestion which result YouTube videos of the highest quality currently available. It also means your video can be upgraded as new formats are developed on the site.
Aspect Ratio
The aspect ratio of the original source video should always be maintained when it's uploaded: Uploaded videos should never include letterboxing or pillarboxing bars.
The YouTube player automatically adds black bars so that videos are displayed correctly without cropping or stretching, whatever the size of the video or the player. For example, the player will automatically add vertical bars (pillarboxing) to 4:3 videos in the new 16:9 widescreen player size. If the player is re-sized (when embedded on another website for example) the same process takes place, so that 16:9 videos are letterboxed (black bars top and bottom) when the player is sized to 4:3, for example. Similarly, anamorphic videos will be automatically letterboxed when shown in either 16:9 or 4:3 sized players. The player can only do this if the native aspect ratio of the video is maintained.
If letterboxing is added to a video before it is uploaded (to create a 4:3 video from a 16:9 master for example), the widescreen player will add pillarbox bars too, resulting in black bars all around the video (windowboxing) and a bad viewing experience.
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