Michael Gisiger :mastodon:There's a solution:
https://addons.mozilla.org/en-US/firefox/addon/youtube-no-translation/
GNU social JP is a social network, courtesy of GNU social JP管理人. It runs on GNU social, version 2.0.2-dev, available under the GNU Affero General Public License.
All GNU social JP content and data are available under the Creative Commons Attribution 3.0 license.