About this add watermark to PDF tool
Drafts need labels. Brand kits need logos. LovePDF.online lets you add a watermark to every PDF page in your browser. Choose text or an image, then tune opacity, position, rotation, font size, and color.
Watermarking is local. Your file and logo stay on your device while the stamp is applied.
Features
- Text watermark with custom wording
- Image watermark for logos
- Opacity and rotation controls
- Positions including center and tiled
- Color picker for text stamps
- Font size slider
- Applies across all pages
- Free download without an account
Benefits
- Mark drafts as confidential before review
- Place a light brand mark on deliverables
- Discourage casual copying of shared PDFs
- Keep source files private during stamping
- Avoid desktop plugins for a simple watermark
How it works
LovePDF opens your PDF with pdf-lib and draws text or an embedded image on each page using your settings. Tiled mode repeats the mark. When finished, you download a new watermarked PDF from the browser.
Step-by-step guide
1.Upload the PDF
Add the document you want to stamp.
2.Configure the watermark
Choose text or image, then set opacity, position, rotation, and style.
3.Apply and download
Run Add Watermark and save the stamped PDF.
Why choose LovePDF.online
LovePDF gives precise controls without forcing an upload. That matters when the PDF includes client work or personal records. The tool is focused, fast, and clear about privacy.
Privacy and security
Your PDF and watermark image are processed locally. LovePDF does not store stamped outputs on a server.
100% Private · Files Never Leave Your Device
Frequently asked questions
Related PDF tools
Keep working privately with these next steps on LovePDF.online.
Stamp your PDF
Set a text or logo watermark above and download a marked PDF — free and private.