YouTube to auto-upscale low-res videos with AI, starting below 1080p

YouTube announced on Wednesday that it will begin using artificial intelligence to automatically upscale lower resolution videos across its platform, initially targeting videos uploaded below 1080p and prioritizing improvements for viewers on television screens. The new feature, called Super Resolution, will generate higher-resolution versions of qualifying videos — converting standard-definition files to HD now, with support for 4K planned in the near future — while preserving original uploads and giving creators and viewers control over its use.

The company said the upscaling will run automatically but will be clearly labeled so viewers can identify which playback options use AI enhancement. Creators will be able to opt out of Super Resolution and YouTube will maintain the original files and original resolution in creators’ libraries. The platform also says viewers will always have the option to play the video in its original uploaded quality rather than an upscaled version.

YouTube framed the change as a way to make an enormous archive of older, lower-resolution clips more watchable on larger screens as the TV surfaces of the service continue to grow. Senior product director...