Reddit: mute autoplaying videos
Keeps every Reddit video muted, even the ones that start playing automatically as you scroll.
Code to copy
// Keep every Reddit video muted, even when it autoplays
function muteAll() {
document.querySelectorAll('video').forEach(function (v) {
if (!v.muted) { v.muted = true; }
});
document.querySelectorAll('shreddit-player, shreddit-player-2').forEach(function (p) {
if (p.shadowRoot) {
p.shadowRoot.querySelectorAll('video').forEach(function (v) { v.muted = true; });
}
});
}
muteAll();
const obs = new MutationObserver(muteAll);
obs.observe(document.documentElement, { childList: true, subtree: true });
document.addEventListener('play', muteAll, true);How to use this example
- Copy the code with the button above.
- Install JustZix (2 minutes) and open the extension on the target page.
- Add a new rule matching that page.
- Paste the code into the rule's JavaScript panel and save — it runs on every page visit.
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