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Works locally after the page loads
Core processing runs in your browser after the page loads, so your files stay on your device.
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Overlay PDF
Place a PDF layer over every page of another PDF. Use a letterhead, stamp, template, or design layer as a PDF overlay. Choose the overlay page and control how it fits.
Never uploaded Layer control No signup
01 / Base document
Choose the PDF to receive the overlay
Every page of this document will receive the selected overlay page.
Select PDF files
or drop PDF files here
Single file · Max 256 MB
Core processing stays in this browser after the page loads. Large files use device memory and may run slower.
02 / Overlay document
Choose the PDF layer to place on top
Use a stamp, letterhead, watermark, or template PDF.
Select PDF files
or drop PDF files here
Single file · Max 256 MB
Core processing stays in this browser after the page loads. Large files use device memory and may run slower.
Overlay PDFs / combine layers
Add a letterhead, stamp, or template layer while keeping both source files local.
Quick answer
How do I overlay one PDF onto another?
Upload a base PDF and an overlay PDF, choose the overlay page, adjust its opacity, scale, and position, then download the new combined copy. Processing is local.
Privacy by default
Overlaying runs locally in this browser tab. Both source PDFs remain on your device while a new combined copy is created.
The overlay workflow
How to overlay PDFs
Choose layers and export
- 01
Add the base PDF
Choose the document that will receive the layer.
- 02
Add the overlay PDF
Select the page to place over every base page.
- 03
Save the combined copy
Tune placement and download the result.
Why use this PDF overlay tool
Combine document layers with control
Letterheads, stamps, and templates
02
No account required
Open the tool and get started without registration, email, or a recurring plan.
03
Fast document workflow
Simple controls keep common PDF tasks quick on desktop and mobile browsers.
04
Original file stays untouched
The tool creates a new result while your source file remains unchanged.
05
Privacy by design
Your document is handled locally for the core operation instead of being sent to a remote queue.
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Free core tool
Upload a base PDF and an overlay PDF, then download the combined copy.
Layers, opacity, and placement
PDF overlay FAQs
Layers, opacity, and placement
Are my files uploaded?
Core processing runs locally in your browser after the page loads. Your source file stays on your device.
Do I need an account?
No. This tool is available without authentication or a recurring subscription.
What happens to my original file?
The original stays unchanged while the tool creates a new output file.
Can I use it on mobile?
Yes. It works in modern desktop and mobile browsers, subject to your device memory.
Is the original file changed?
No. The source file stays unchanged while a new output copy is created.
What files can I process?
Use a valid PDF supported by your browser and device memory.
Learn before you process
PDF guides for this workflow
Get the answer, understand the trade-offs, then use the focused tool when you are ready.
How to watermark a PDF (text, image or a PDF overlay)
Stamp text or an image on every page, or lay one PDF over another, and understand what a watermark does and does not protect.
Read the watermark guide
Best private PDF tools: browser-local vs cloud
A neutral guide to choosing a PDF tool when privacy matters: the questions to ask, a five-minute test you can run yourself, and which kind of tool fits which document.
Read the privacy guide
Comparing PDF tools? FreePDFKit vs iLovePDF · FreePDFKit vs Smallpdf · Browser-local vs cloud PDF tools