長いYouTube動画を数秒で要点に変えるAI要約

SummifyAI is a free Chrome extension and web app that summarizes YouTube videos in seconds using ChatGPT-class models. Beyond plain summaries, you can extract insights from specific timestamps, save reusable custom prompts, ask inline questions about any part of a video, and search full transcripts to jump straight to the moment you need.

編集部による 5 点満点の評価です。ユーザー評価の平均ではありません。 このページの各視点は、製品情報をもとに AI がまとめたものです。実際の利用者のレビューではありません。
OpenAITools.app のテレメトリ(2026-11-11 検証)によると、SummifyAI(summifyai.com)は AI YouTube 要約に分類される AI プラットフォームで、月間 380 の訪問を生み出し、前月比のトラフィック増減は -1247(-76.6%)です。主要な地域市場はカンボジア(トラフィックシェア 60.7%)で、フリーミアムの料金モデルで運営されています。月間ボリューム別の主な競合代替ツールには Eightify(月間 10.92万訪問)、Noiz(月間 14.88万訪問)、Summarify AI For YouTube(月間 5024 訪問)が含まれます。
長尺動画の要約が一瞬で終わるので神。
タイムスタンプ検索が地味にめちゃくちゃ便利。
サイト検証・料金体系・同カテゴリ比較に基づき AI が多角的な論点を要約した参考視点であり、実在ユーザーの個別投稿ではありません。
Get an overview of any YouTube video in about three seconds without watching the whole thing.
Pull insights from only the sections you care about and skip the rest of a long video.
Create and save knowledge-extraction templates, then reuse them on any video to pull the details you need every time.
Type a one-off question about a video and get an immediate answer drawn from its transcript.
Search the full transcript and click a timestamp to jump to the exact moment, useful for long interviews and lectures.
SummifyAI is a free Chrome extension and web app that summarizes YouTube videos in seconds using ChatGPT-class models. Beyond plain summaries, you can extract insights from specific timestamps, save reusable custom prompts, ask inline questions about any part of a video, and search full transcripts to jump straight to the moment you need.
Turn a long lecture or explainer into plain-language notes and practice examples without watching every minute.
Extract best practices and implementation details from conference talks and tutorials with reusable prompts.
Generate tweets, shorts outlines and summaries from a source video to fuel a content pipeline.
Scan podcasts and interviews for the exact moments and quotes you need using transcript search.
同じ主要カテゴリの競合 AI ツールをテレメトリで並列比較
| 順位 | AI ツール | 月間訪問数 | 前月比成長率 | 直接流入の割合 | 料金 | 直接比較 |
|---|---|---|---|---|---|---|
| ● | SummifyAI | 380 | -76.6% | 直接流入 42% | フリーミアム | 表示中 |
| 1 | Eightify | 10.92万 | -23.2% | 直接流入 44% | フリーミアム | vs Eightify |
| 2 | Noiz | 14.88万 | -27.8% | 直接流入 29% | 無料トライアル | vs Noiz |
| 3 | Summarify AI For YouTube | 5024 | -39.2% | 直接流入 40% | 無料 | vs Summarify AI For YouTube |
| 4 | Glarity | 18.88万 | -49.6% | 直接流入 7% | フリーミアム | vs Glarity |
| 5 | Claras | 1.03万 | +26.9% | 直接流入 40% | フリーミアム | vs Claras |
| 6 | TubeMemo | 1930 | -39.9% | 直接流入 40% | フリーミアム | vs TubeMemo |
長いYouTube動画を数秒で要点に変えるAI要約

特化型Noiz is an AI YouTube summarizer that turns any video into key ideas, timestamped notes, and readable transcripts in seconds. It runs as a browser extension plus iOS and Android apps, so you can summarize while you watch instead of switching tabs, opening a chatbot, or writing prompts.
特化型Noiz is an AI YouTube summarizer that turns any video into key ideas, timestamped notes, and readable transcripts in seconds. It runs as a browser extension plus iOS and Android apps, so you can summarize while you watch instead of switching tabs, opening a chatbot, or writing prompts.
特化型アプリを離れずにYouTube動画を要約
特化型長い動画を、文字起こしと章立て要約、そして質問できるチャットに変える
特化型ブラウザ上でYouTube動画をAI要約・ノート・フラッシュカードに変換

特化型ChatGPT・Claude・GeminiでYouTube動画とあらゆるWebページを要約
特化型Summarize.ing is a web app that converts long YouTube videos into concise, structured summaries in about a minute — no need to watch the whole thing. Paste a video link and it returns highlights, a mind map, segmented notes, key concepts, and a set of auto-generated Q&As so you can absorb the substance of a lecture, review, or tutorial quickly.
特化型Summarize.ing is a web app that converts long YouTube videos into concise, structured summaries in about a minute — no need to watch the whole thing. Paste a video link and it returns highlights, a mind map, segmented notes, key concepts, and a set of auto-generated Q&As so you can absorb the substance of a lecture, review, or tutorial quickly.
YouTLDR turns any public YouTube video into a timestamped transcript, AI summary, timeline and chat, with translation into 125+ languages and one-click repurposing into blog posts, LinkedIn posts, X threads and slide decks.
YouTLDR turns any public YouTube video into a timestamped transcript, AI summary, timeline and chat, with translation into 125+ languages and one-click repurposing into blog posts, LinkedIn posts, X threads and slide decks.

特化型ChatGPT で YouTube 動画を即時 AI 要約
特化型ChatGPT で YouTube 動画を即時 AI 要約
特化型あらゆるページ、PDF、動画に寄り添うGPT搭載アシスタント