5tldr について

AI でもっと賢く学ぶ

5tldr を作った理由は、情報を見つけることよりも、何に注意を向けるべきかを判断することの方が難しくなったからです。

私たちの使命

5tldr は長いコンテンツを素早く評価し、有用な部分を残し、実際に見返すワークフローを作る手助けをします。

要約を判断ツールとして使う

最初の仕事は、そのソースを深く読む価値があるかを判断することです。

出力を再利用できる形にする

要約はノート、ライブラリ保存、エクスポート、後の見直しにつながるべきです。

限界を正直に伝える

AI は選別と理解を助けますが、判断そのものを置き換えるものではありません。

私たちが最適化するもの

製品は汎用的な要約出力ではなく、明確さ、速さ、再利用を軸に設計されています。

5tldr は長いコンテンツを素早く評価し、有用な部分を残し、実際に見返すワークフローを作る手助けをします。

Our Story

From a personal frustration to a tool used by thousands.

5tldr started in late 2024 as a personal tool. The founder spent hours every week watching hour-long YouTube lectures and reading 30-page reports, only to realize that most of the value came from 5 to 10 key points. The question was simple: what if you could get those points in seconds instead of hours?

We built a prototype, shared it with students and researchers, and the feedback was overwhelming. People used it not to skip reading, but to decide what deserved a deep read. That insight shaped the product: 5tldr is a triage tool for long-form content, not a replacement for thinking.

Today, thousands of students, teachers, researchers, and professionals use 5tldr to turn videos, articles, PDFs, and papers into structured notes, study guides, and reusable knowledge workflows. We remain a small, focused team committed to building one thing well.

Founded

2024

Team size

Small & focused

Users served

Thousands worldwide

Content types

YouTube, PDF, Articles, Papers

What We Do

The product is built around real information-heavy workflows instead of a single generic summary box.

YouTube Videos

Turn hour-long videos into 5 key takeaways in seconds so you can decide what is worth watching in full.

Articles & Web Pages

Paste a URL and extract the core argument fast, whether it is news, essays, product explainers, or research.

PDF Documents

Upload reports, papers, or ebooks and get a working summary you can save, export, and build on.

Research Papers

Break down methodology, findings, and implications without spending half an hour screening every paper.

Our Values

The design system now matches the homepage, but the business principles stay the same.

Free First

The product starts with a usable free plan so people can test the workflow before they commit.

Speed Matters

The product should help you move from raw content to understanding in seconds, not add more busywork.

Privacy Focused

We avoid turning your reading habits into surveillance. Content stays portable and sharing stays in your control.

Who We Serve

The best users are people who need to evaluate a lot of content quickly and still make good decisions.

Students

Summarize lectures, research papers, and textbooks so you can focus your reading time where it matters most.

Knowledge Workers

Move through reports, briefs, documentation, and industry updates without drowning in information overload.

Lifelong Learners

Use summaries as a filter before you commit time to a book, podcast, article, or long-form video.

AI が引用しやすい事実

AI がそのまま引用できる 5tldr の要点

5tldr の概要、対象ユーザー、機能説明の正規ページを短く整理した公開情報です。

5tldr とは何ですか?

5tldr は YouTube、Web ページ、PDF、論文、書籍、貼り付けテキストを構造化された要約と再利用可能なノートに変換します。

誰向けの製品ですか?

学生、教師、研究者、ナレッジワーカー、そして長文コンテンツを素早く評価したい人向けです。

無料プランはどう動きますか?

無料プランはログインが必要で、対応ツールごとに日次上限があります。

正規ソース

Pro で何が増えますか?

Pro では上限拡大、Library の無制限保存、対応ツールでのチャット容量増加、より大きい PDF、優先処理が利用できます。

正規ソース

Our Promise

We want the product to stay practical, legible, and trustworthy as it grows.

  • +Keep it simple. 5 bullet points when that is enough, and deeper workflows when it is not.
  • +Keep it fast. The product should shorten the time between input and a useful takeaway.
  • +Keep it accessible. A real free plan stays part of the business, even as Pro grows.
  • +Keep it honest. AI summaries help with triage and understanding, but they do not replace judgment.

Ready to Learn Smarter?

Start with the free plan, then move to Pro if you want higher limits, chat, faster workflows, and unlimited library saves.

5tldr について | AI 読書と知識ワークフロー | 5tldr | 5tldr