Add custom text watermarks to your PDF files. Choose text, colour, opacity, rotation, and position. 100% client‑side – private, no upload.
Click or drag & drop PDF here
Max size: 15MB
Your PDF never leaves your browser. Watermarking uses pdf‑lib locally.
Choose text, colour, opacity, rotation – watermark all pages instantly.
Fully responsive – watermark PDFs on your phone or tablet.
1️⃣ Upload a PDF file (drag & drop or click).
2️⃣ Customise watermark text, colour, opacity, rotation, and font size.
3️⃣ Click "Add Watermark" – the tool processes all pages.
4️⃣ Download the watermarked PDF instantly.
✅ Perfect for adding "Draft", "Confidential", or branding to your documents.
Watermarking PDFs is essential for protecting intellectual property or marking drafts. Unlike online tools that upload your file to a server, Toolslove's watermark tool works entirely in your browser using the pdf‑lib library. Your file stays private. You can customise the watermark text, colour, opacity, rotation, and relative font size – and the watermark is applied to every page of the PDF.
Yes, the watermark is added to every page of the PDF.
No. All processing is client‑side. Your file never leaves your device.
Yes, the colour picker supports any hex colour. Opacity adjusts transparency.
Yes – font size is relative to page size. Adjust the "Font size (px relative)" field.
The Pdf Watermark on Toolslove.online is a free web-based application designed to add custom text watermarks to pdf files choose text, color, opacity, rotation, and position. 100% client‑side, private, no upload. instantly. Built using modern, client-side HTML5 and JavaScript technologies, all operations and inputs are processed locally in your browser. This ensures that your private data is never sent to any server, offering absolute privacy, extreme speed, and full offline accessibility.
Input your text, values, or file into the custom entry fields at the top of this page.
Adjust standard parameters, target outputs, or formats to match your specific requirements.
Click the action button. The local browser compilation processes your output instantaneously.
Download or copy the generated output directly. No email address or subscription required.
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