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Global Media Playback Speed Control

Control playback speed for any media on a webpage using keyboard shortcuts.

  1. // ==UserScript==
  2. // @name         Global Media Playback Speed Control
  3. // @namespace    http://tampermonkey.net/
  4. // @version      1.3
  5. // @description  Control playback speed for any media on a webpage using keyboard shortcuts.
  6. // @author       Your Name
  7. // @match        *://*/*
  8. // @grant        none
  9. // ==/UserScript==
  10.  
  11. (function() {
  12.     'use strict';
  13.  
  14.     // Adjust speed increment value
  15.     const speedStep = 0.1;
  16.  
  17.     // Listen for keydown events
  18.     document.addEventListener('keydown', function(event) {
  19.         if (event.target.tagName.toLowerCase() !== 'input' && event.target.tagName.toLowerCase() !== 'textarea') {
  20.             let mediaElements = document.querySelectorAll('video, audio');
  21.  
  22.             if (event.key === '[') {
  23.                 mediaElements.forEach(media => {
  24.                     media.playbackRate = Math.max(0.1, media.playbackRate - speedStep);
  25.                     console.log(`Playback speed decreased to: ${media.playbackRate}`);
  26.                 });
  27.             } else if (event.key === ']') {
  28.                 mediaElements.forEach(media => {
  29.                     media.playbackRate += speedStep;
  30.                     console.log(`Playback speed increased to: ${media.playbackRate}`);
  31.                 });
  32.             }
  33.         }
  34.     });
  35.  
  36. })();