YouTube Comment Research Tool

AI-powered YouTube comment analysis: sentiment, viewer demands, word trends & competitor insights.

YouTube Comment Research Tool turns YouTube comments into actionable insights. One click gives you a complete analysis panel — right on the video page. No spreadsheets, no manual reading, no external tools. 🔍 What It Does Sentiment Analysis See at a glance how viewers feel about a video. Comments are classified as Positive, Neutral, or Negative with clear visual bars. Viewer Demand Detection Discover what your audience actually wants — tutorial requests, collaboration ideas, topic suggestions, and more — ranked by frequency. Trending Word Cloud Spot the most-discussed keywords and phrases across all comments instantly. Comment Summary Get a concise, AI-generated summary of the overall comment section so you don't have to read thousands of comments. Issue Detection Automatically surfaces complaints, criticism, and quality concerns viewers are raising. ⭐ PRO Features Competitor Analysis Paste any YouTube video URL and get a side-by-side breakdown — sentiment, demands, and popular words compared to your own video. Comparative Advice Receive tailored improvement suggestions based on how your video stacks up against the competition, with an overall letter grade (S/A/B/C/D). Extended Comment Collection Free tier: up to 100 comments. PRO: up to 1,000 comments for deeper analysis. 🌐 Multi-Language Support Auto-detects video language from the title Full Japanese (日本語) and English interface Works on any YouTube video worldwide 💡 How to Use Navigate to any YouTube video Click the "Comment Analysis" button that appears on the page Wait for comments to be collected and analyzed Review your insights in the sleek side panel 🔒 Privacy No data leaves your browser — all analysis runs locally No account required for the free tier No tracking, no ads in PRO ---------------------------------------------------------------------------------------------------------------- YouTube Comment Research Tool は、YouTubeのコメント欄を瞬時に分析し、クリエイターやマーケターに実用的なインサイトを提供するChrome拡張機能です。 主な機能： 📊 感情分析 — ポジティブ・中立・ネガティブの割合を視覚的に表示 📋 視聴者要望の検出 — 「〇〇を作って」「解説してほしい」などのリクエストを自動抽出・ランキング 🏷️ 頻出ワード — コメント全体で頻繁に使われるキーワードを一覧表示 📝 コメント要約 — 数千件のコメントの内容を簡潔にまとめて表示 ⚠️ 問題点検出 — 批判・クレーム・品質の問題を自動で検出 PRO版の追加機能： ⭐ 競合分析 — 他チャンネルの動画と比較分析 💡 改善アドバイス — 比較結果に基づく具体的な改善提案（S〜Dランク評価付き） 📈 拡張コメント収集 — 最大1,000件のコメントを分析（Free版は100件） 使い方： YouTube動画ページを開く 画面に表示される「Comment Analysis」ボタンをクリック コメントの収集・分析が自動で実行 サイドパネルで結果を確認 プライバシー： すべての分析はブラウザ内で完結。データは外部に送信されません。