Claude summarizer

Use Claude to summarize what you are reading.

By ReduzReduzUpdated May 11, 2026 Local-first AI summarizer

Get Claude summaries of long articles, research PDFs, and study notes. Use your own Anthropic key, or start with free credits.

Screenshot of the Claude homepage by Anthropic

What you get

  • Summarize the page you are reading, in one click.
  • Good for long articles, research PDFs, and study notes.
  • Save what is useful. Export to PDF, Markdown, or ZIP.

Sample summary

Claude summary sample — A dense research article with definitions, evidence, and limitations.

  • The article separates the central claim from two supporting assumptions.
  • The most important limitation is that the examples come from one domain.
  • A useful next step is to turn the findings into a short study outline.

Frequently asked questions

Is Reduz an official Claude extension?

No. Reduz is an independent summarizer that can use Claude when you add your own Anthropic key, or with free credits.

Is Reduz free?

Yes. Reduz includes 100 free credits a month. Using your own AI key removes the credit limit.

Do I need an account?

Not when you use your own AI key. An account is only needed for free credits, paid plans, or cloud backup.

Where is my data stored?

Summary history is stored in your browser. Cloud backup is opt-in and encrypted on your device before upload.

Which AI providers does Reduz support?

Reduz supports OpenAI, Anthropic Claude, Google Gemini, DeepSeek, and xAI Grok. You can also use free credits without setting up an AI account.