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Video Volume/Playback Speed Controller

Adjust video playback speed and volume with HUD showing real-time values inside the video frame. Conditional scroll blocking applied. (Script assisted by AI)

How to install

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

How to install

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

Author
特務E04
Daily installs
0
Total installs
84
Ratings
1 0 0
Version
1.1.1
Created
2025-01-06
Updated
2026-01-24
Size
3.49 KB
License
MIT
Applies to
All sites

English | 繁體中文

Video Speed & Volume Adjuster with HUD

License: MIT

A convenient browser userscript that allows you to easily adjust video playback speed and volume using mouse controls, with real-time visual feedback.

Features

  • Adjust video playback speed using Ctrl + Mouse Wheel
  • Control volume using Shift + Mouse Wheel
  • Real-time HUD display in the center of the video
  • Support for all websites with HTML5 video and audio players
  • Clean interface that doesn't interfere with the original webpage

Usage

Playback Speed Adjustment

  • Hold Ctrl key
  • Scroll Up: Increase playback speed
  • Scroll Down: Decrease playback speed
  • Speed range: 0.1x ~ 16.0x

Volume Control

  • Hold Shift key
  • Scroll Up: Increase volume
  • Scroll Down: Decrease volume
  • Volume range: 0% ~ 100%

Installation

  1. First, install a userscript manager:

  2. Click the following link to install the script:

Technical Details

  • Pure JavaScript implementation
  • No external library dependencies
  • Uses MutationObserver to monitor DOM changes
  • Supports dynamically loaded video elements

Compatibility

  • Supports all major browsers (Chrome, Firefox, Edge, Safari)
  • Works with any website using standard HTML5 <video> or <audio> elements

License

This project is licensed under the MIT License - see the LICENSE file for details

Contributing

Issues and Pull Requests are welcome to help improve this project!

Author

Agent_E04 (@jmsch23280866)

AI Assistance Statement

  • This project was developed with assistance from AI, including code optimization suggestions and documentation writing.
  • I believe in transparent disclosure of AI participation to promote open-source community development.

影片播放速度與音量調節器

License: MIT

這是一個方便的瀏覽器使用者腳本（userscript），讓您能夠使用滑鼠輕鬆調整網頁影片的播放速度和音量，並提供即時視覺回饋。

功能特色

  • 使用 Ctrl + 滑鼠滾輪調整影片播放速度
  • 使用 Shift + 滑鼠滾輪調整影片音量
  • 螢幕中央顯示即時調整資訊
  • 支援所有包含 HTML5 影片或音訊播放器的網站
  • 介面簡潔直覺，不影響原始網頁體驗

使用方法

播放速度調整

  • 按住 Ctrl 鍵
  • 向上滾動滑鼠滾輪：加快播放速度
  • 向下滾動滑鼠滾輪：降低播放速度
  • 速度範圍：0.1x ~ 16.0x

音量調整

  • 按住 Shift 鍵
  • 向上滾動滑鼠滾輪：提高音量
  • 向下滾動滑鼠滾輪：降低音量
  • 音量範圍：0% ~ 100%

安裝方式

  1. 首先安裝使用者腳本管理器：

  2. 點擊以下連結安裝腳本：

技術細節

  • 純 JavaScript 實作
  • 不依賴任何外部函式庫
  • 使用 MutationObserver 監控 DOM 變化
  • 支援動態載入的影片元素

相容性

  • 支援所有主流瀏覽器（Chrome、Firefox、Edge、Safari）
  • 支援所有使用標準 HTML5 <video> 或 <audio> 元素的網站

授權條款

本專案採用 MIT 授權條款 - 詳見 LICENSE 檔案

貢獻指南

歡迎提交 Issue 或 Pull Request 來協助改善這個專案！

作者

特務E04 (@jmsch23280866)

AI 協助聲明

  • 本專案在開發過程中獲得 AI 的協助，包括程式碼優化建議和文件撰寫。
  • 本人相信透明地聲明 AI 的參與可以促進開源社群的發展。