Add Image Watermark to PDF
Upload a PDF and a PNG or JPG logo, preview each page, drag and resize the watermark, then apply it to every page. Everything runs in your browser — your files are never uploaded anywhere.
Drop a PDF here
or click to select the PDF · Accepts .pdf only
Drop an image here
or click to select the image · Accepts .png, .jpg, .jpeg
Opacity
After you upload an image, drag it with the handle to position it on the preview. Use the corner handle to resize. The watermark will be applied to every page at the shown position and size.
Your PDF is ready
image-watermarked.pdf
Add an image watermark to a PDF online
This free tool adds a PNG or JPG logo, stamp, or image watermark to every page of a PDF. Set the image opacity, placement, and size before downloading the finished document. Your PDF and image are processed locally in your browser.
How to add an image watermark to a PDF
- Select the PDF you want to watermark.
- Select a PNG or JPG image to use as the watermark or logo.
- Choose the opacity, position, and size for the watermark.
- Click “Add image watermark” and download the finished PDF.
Why use this PDF image watermark tool?
It is private, quick, and free. Since the watermark is applied in your browser, confidential documents and brand assets stay on your device.
Use this tool for the right PDF task
An image watermark places a logo, stamp or graphic over selected pages. Use a transparent PNG when the background should remain visible and preserve the image ratio to avoid distortion.
Adjust size, position and opacity on a representative page. A mark readable on a white page may disappear over a photograph or cover important text.
A dependable step-by-step workflow
- Work on a copy and open the source once before editing so you know its page count, orientation and important features.
- Apply one type of change at a time. For a multi-step job, download and inspect each intermediate result before continuing.
- Reopen the final download in a separate PDF reader and compare the changed pages with the source.
Limitations and checks that matter
Review every page size and orientation after export. A watermark communicates status or ownership but does not prevent copying and is not a security control.
Browser processing avoids sending the selected PDF to PDF Online Free, but it does not remove the need to handle the file safely on your own device. Close shared-device sessions, protect downloaded copies and follow any workplace or legal retention rules that apply to the document.
Plan larger documents and multi-step jobs
For a long PDF, test the operation on a short representative copy before processing the entire file. Include pages with the most complex layout, the smallest text and any unusual rotation. This reveals quality or compatibility problems early and helps you choose suitable settings without repeatedly handling the complete document.
When several changes are required, decide the order before starting. Structural actions such as merging, removing and organizing pages normally come first; visible additions such as numbering and watermarks normally come after the sequence is final. Use descriptive output names instead of overwriting the source, and record which operations were applied when the file is part of a business or review process.
Frequently asked questions
Which image formats can I use? You can use PNG, JPG, or JPEG images as the watermark.
Is the image added to every page? Yes. The selected image is drawn on each page of the PDF.
Are my files uploaded? No. The PDF and image are processed locally in your browser.