YouTubeコメント欄を拡大・縮小 🎥

koyasi777
2025-08-01T15:41:57Z

YouTubeのコメント欄を拡大・縮小するUIを追加！ホイールでズーム、クリックでリセット。状態は保存されます。

Zoom Controls for YouTube Comments 🎥

📌 Overview

This userscript adds zoom controls to YouTube comment sections.
Use the mouse scroll to zoom in/out (from 50% to 200%), and click to reset to 100%.
Your zoom level is saved persistently via GM_getValue / GM_setValue.

🖱️ Scroll to zoom in/out

👆 Click to reset zoom to 100%

💾 Zoom level is saved automatically

🎨 Clean styling, blends naturally with the YouTube UI

🛠 Installation

1. Install a userscript manager like Violentmonkey or Tampermonkey

2. Install the script from this link:
👉 Install this userscript

🤝 Recommended Companion Script

This script works especially well alongside
👉 Tabview YouTube Totara

Turns YouTube's description and comments into tabs for easier viewing

Fully compatible with this zoom control script

Use them together for a cleaner, more focused YouTube experience

🎮 How to Use

Scroll: Zoom in/out (50%–200%)

Click: Reset zoom to 100%

💡 Technical Details

Zoom target: ytd-comment-thread-renderer elements

UI is injected next to: ytd-comments-header-renderer #sort-menu

Fully supports dark mode (uses YouTube's native theme variables)

Supports SPA-style YouTube navigation (yt-navigate-finish listener)

🔗 Related Links

YouTube

Tabview YouTube Totara - GreasyFork

Violentmonkey

Tampermonkey

📜 License

MIT License
Free to use, modify, and redistribute — use at your own risk.

Tired of tiny, unreadable comments on YouTube?
Use this script to zoom in — and pair it with "Tabview YouTube Totara" for the best viewing experience!