RealZero<p>I finally tested it successfully:</p><p>"Substital" is an add-on for Firefox and Chrome that allows you to display captions / subtitles in nearly any video that you can see on a website, either by searching for it on OpenSubtitles or by loading a caption file from your device locally.</p><p>This way you can, for example, watch an old show's episode on archive.org and add a local SRT file so the video gets captions.</p><p><a href="https://substital.com/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">substital.com/</span><span class="invisible"></span></a></p><p><a href="https://social.tchncs.de/tags/Accessibility" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Accessibility</span></a> <a href="https://social.tchncs.de/tags/Captions" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Captions</span></a> <a href="https://social.tchncs.de/tags/Subtitles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Subtitles</span></a> <a href="https://social.tchncs.de/tags/Firefox" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Firefox</span></a> <a href="https://social.tchncs.de/tags/Chrome" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Chrome</span></a> <a href="https://social.tchncs.de/tags/Substital" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Substital</span></a></p>