Tutorials5 min read
How to Add a Watermark to a PDF (Free)
Add a text or logo watermark to every page of a PDF, free and in your browser — no upload, no account. Control opacity, rotation, position, and tiling.
Watermark PDF
Add a text or logo watermark to every page — position, opacity, rotation, and tiling included. Free, instant, nothing leaves your device.
Drop your PDF here
or click to browse — PDF files only
Everything you need to watermark a PDF
100% private — nothing uploaded
Watermarking happens locally in your browser using pdf-lib. Nothing is sent to a server.
Text or logo image
Stamp a text watermark or upload your own PNG/JPG logo.
Single placement or diagonal tile
Place it once with a 9-point position grid, or repeat it across the whole page so it can't be cropped out.
Full control over opacity and rotation
Dial in exactly how visible the watermark is and the angle it sits at.
Text stays selectable
The watermark is a vector overlay, not a rasterize — your PDF's original text stays selectable and searchable.
Instant processing
No waiting for uploads. Every page is watermarked in seconds, even for long documents.
Three steps to a watermarked PDF
- 1
Upload your PDF
Drag and drop your PDF onto the page, or click to browse.
- 2
Choose your watermark
Type a text watermark or upload a logo image, then set opacity, rotation, and position — or tile it diagonally across every page.
- 3
Add watermark and download
Click Add watermark — your browser stamps every page instantly. Download it, nothing is uploaded.
Built for anyone who works with PDFs
Whether you're marking a draft before it circulates, branding a client-facing document, or protecting a proof — PixelTools watermarks a PDF in seconds, free, with no upload.
Draft documents
Mark a proposal or report "DRAFT" or "CONFIDENTIAL" before it's shared for review.
Legal and contracts
Stamp a document copy for identification without altering the original file it's sourced from.
Photographers and creators
Add a logo watermark to a PDF portfolio or proof sheet before sending it to a client.
Businesses
Brand outgoing PDFs with a company logo, or mark internal documents as not for distribution.
Frequently asked questions
Is this tool free?
+
Yes, completely free with no limits. Watermark as many PDFs as you want — no account required.
Is my PDF uploaded to a server?
+
No. Everything happens in your browser using pdf-lib. Your file and your watermark image never leave your device.
Does watermarking turn my PDF into an image?
+
No. The watermark is drawn as a vector overlay on top of the page — the document's original text stays selectable and searchable, it isn't rasterized.
Can I use my own logo as the watermark?
+
Yes. Upload a PNG or JPG — a PNG with a transparent background gives the cleanest result.
Can I apply the watermark to only some pages?
+
Yes. Choose a page range instead of the default "all pages" before you generate the file.
What does "tile" mode do?
+
It repeats the watermark in a diagonal grid across the entire page instead of placing it once, so it can't be cropped out.
Can I control how visible the watermark is?
+
Yes. The opacity slider goes from faint (10%) to fully solid (100%), and rotation is fully adjustable.
Watermark your PDF now
Free, instant, no account needed.