KaroMeister for YouTube

Tracking since May 1, 2026.

Changelog

• May 7, 2026
  description

  KaroMeister for YouTube is a compact all-in-one control panel designed to make YouTube viewing faster, smarter, and more efficient.
  
  Instead of switching between tools, everything is available in one place.
  
  Features
  
  Playback Status
  
  Real-time display of current time, total duration, playback speed, and remaining time
  Remaining time is calculated based on current playback speed
  
  Speed Control
  
  One-click playback speed switching
  Clean and precise control without opening YouTube menus
  
  Memo
  
  Take notes directly while watching
  Insert timestamps with a single click
  Automatically saved per video
  
  Gemini Integration
  
  Generate a ready-to-use prompt for summarizing and fact-checking the current video
  Opens Gemini instantly with one click
  
  Why KaroMeister?
  
  Minimal, always-visible panel
  Designed for long videos and focused watching
  Combines control, tracking, and thinking into a single interface
  
  
  ☕Support
  
  If you find this tool useful, you can support development via the ☕ button in the panel.

  Description
  
  KaroMeister for YouTube is a compact all-in-one control panel designed to keep your viewing flow uninterrupted.
  
  Instead of switching between different tools, everything you need is available in one place.
  
  Features:
  
  • Playback Status
  Displays current time, total duration, playback speed, and remaining time based on the current speed.
  
  • Speed Control
  Change playback speed instantly with one click.
  
  • Memo
  Take notes per video and insert timestamps quickly. Notes are saved locally.
  
  • Gemini Integration
  Generate a ready-to-use prompt for summarizing and fact-checking the current video, copy it, and open Gemini.
  
  The panel is movable, so you can place it anywhere — even over the video — to match your viewing style.
  
  This tool is not about adding more features.
  It is about organizing what you already use, into a single place.
  
  
  Update（1.0.6）
  
  English
  Added: Option to open Gemini in a new tab or a popup window.

Permissions & access

Permissions

storage

Host access

https://www.youtube.com/*

Screenshots