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Pinterest: mute autoplaying videos

Mutes and pauses video pins that start playing on their own while you scroll the feed.

Code to copy

// Mute and pause autoplaying video pins as they appear
function tameVideos() {
  document.querySelectorAll('video').forEach(function (v) {
    v.muted = true;
    v.volume = 0;
    if (!v.paused) { try { v.pause(); } catch (e) {} }
  });
}
tameVideos();
const obs = new MutationObserver(tameVideos);
obs.observe(document.documentElement, { childList: true, subtree: true });

How to use this example

1. Copy the code with the button above.
2. Install JustZix (2 minutes) and open the extension on the target page.
3. Add a new rule matching that page.
4. Paste the code into the rule's JavaScript panel and save — it runs on every page visit.