# How to summarize a long PDF on iPhone | Nimbo

> Get the key points of a long report, contract or course PDF on iPhone, with every point linked to the passage it comes from.

On iPhone with Nimbo

# How to summarize a long PDF on iPhone

Written by the Nimbo team · Last updated October 1, 2026

Short answer

To summarize a PDF on iPhone, open it in Nimbo, tap the AI button, then Ask about this PDF, and ask for a summary of the key points. The answer lists them with the quoted passages and pages they come from; for a new document, Transform with AI can also turn it into a short brief.

## Step by step

1. Open the PDF in Nimbo.
2. Tap the AI button, then Ask about this PDF.
3. Ask: Summarize the key points in 5 bullets.
4. Check each point against its quoted passage.
5. Or use Transform with AI to produce a shorter PDF brief.

## Why Nimbo

- Sourced points you can verify.
- Follow-up questions on any detail.
- Works on scans after OCR.

## Frequently asked questions

### How long can the PDF be?

Long reports work; Nimbo focuses on the passages relevant to your request.

### Can I get the summary as a PDF?

Yes, with Transform with AI and a shorter length.

### Is the document kept by the AI provider?

No. The provider does not train on it and requests are not stored.

## Related tools

[PDF to Text](https://nimbopdf.com/pdf-to-text/)

## More guides

- [How to sign a PDF on iPhone (in seconds)](https://nimbopdf.com/how-to-sign-a-pdf-on-iphone/)
- [How to scan a document to PDF on iPhone](https://nimbopdf.com/how-to-scan-a-document-to-pdf-on-iphone/)
- [How to translate a whole PDF on iPhone and keep the layout](https://nimbopdf.com/how-to-translate-a-pdf-on-iphone/)
- [How to ask questions to a PDF on iPhone (with the exact source)](https://nimbopdf.com/how-to-ask-questions-to-a-pdf-on-iphone/)

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Source: https://nimbopdf.com/how-to-summarize-a-pdf-on-iphone/ · Nimbo (English) · https://nimbopdf.com/llms.txt