# PDF Stationery Underlay

Place document pages on top of stationery/background template pages (letterhead style underlay)

> Canonical page: https://elysiatools.com/en/tools/pdf-stationery-underlay

- **Category:** PDF Tools

- **Keywords:** pdf, stationery, underlay, letterhead, template

## Overview

Compose output PDF by drawing each source page over a template/stationery page.

**Typical use:**
- Corporate letterhead background
- Official red-header template
- Form background alignment

Source pages are scaled and centered on the stationery page with configurable margins.

## Inputs

- **Source PDF File** (file): Upload document PDF
- **Stationery Template PDF** (file): Upload letterhead/background PDF
- **Template Page Mapping** (select)
- **Content Scale Mode** (select)
- **Page Margin (mm)** (number)
- **Document Opacity** (number)

## When to use

- Applying a corporate letterhead to plain text documents.
- Adding official red-header templates to internal reports.
- Aligning document content onto pre-designed form backgrounds.

## How it works

- Upload your primary document PDF and the stationery template PDF.
- Select a template mapping mode to determine how background pages align with your document.
- Adjust the scale mode, page margins, and content opacity to achieve the desired visual result.
- Process the file to generate a new PDF with the stationery applied as a background layer.

## Use cases

- Standardizing business correspondence with branded letterhead.
- Converting plain exports into official-looking documents.
- Batch-applying background watermarks or frames to existing PDFs.

## Frequently asked questions

### Can I use a multi-page stationery template?

Yes, you can choose to cycle through multiple template pages or match them by index to your document pages.

### What is the difference between 'contain' and 'cover' scale modes?

'Contain' fits your document within the margins of the template, while 'cover' scales the content to fill the entire page area.

### Can I adjust the transparency of my document?

Yes, you can set the document opacity between 0.2 and 1.0 to control how much of the background template shows through.

### Is there a limit to the file size I can upload?

The tool supports PDF files up to 500MB.

### Does this tool modify the original PDF?

No, it creates a new output file with the underlay applied, leaving your original source files unchanged.

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