# How to add a watermark or page numbers to a PDF on iPhone

> Stamp CONFIDENTIAL, DRAFT or your name across a PDF on iPhone, and number its pages, before sharing it.

On iPhone with Nimbo

# How to add a watermark or page numbers to a PDF on iPhone

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

Short answer

To add a watermark to a PDF on iPhone, open it in Nimbo, tap PDF Tools, then Watermark, type the text (for example CONFIDENTIAL) and apply it. In the same menu, Page Numbers adds numbering to every page.

## Step by step

1. Open the PDF in Nimbo.
2. Tap PDF Tools, then Watermark.
3. Type the text and choose how it appears.
4. Tap Page Numbers to number the pages.
5. Save a copy and Share it.

## Why Nimbo

- Discourage copies of drafts and quotes.
- Numbering for long documents.
- The original stays untouched.

## Frequently asked questions

### Can the watermark be removed?

It is drawn into the pages of the copy you share.

### Can I watermark scans?

Yes, any PDF in your Library.

### Is it part of Pro?

Watermark and Page Numbers are PDF Tools in Nimbo Pro.

## Related tools

[Watermark PDF](https://nimbopdf.com/watermark-pdf/)[Page numbers](https://nimbopdf.com/add-page-numbers-to-pdf/)

## 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-add-a-watermark-to-a-pdf-on-iphone/ · Nimbo (English) · https://nimbopdf.com/llms.txt