Free Online Add Watermark to PDF Online
Protect drafts and internal documents with a visible watermark on every page. Use custom text or upload a PNG/JPG logo — all applied privately in your browser.
Click to upload or drag & drop a PDF file here
Supports single PDF files
Automatically detects ToolVX watermarks or common overlay patterns. Preview the result, then download when satisfied.
Removal preview
If the preview looks correct, click the download button to save your PDF.
100% Private & Secure — Local Browser Processing
Your privacy is our top priority. Unlike other online tools, we never upload your files to any server. Everything is processed instantly inside your web browser.
- Zero Server Uploads: Sensitive data never leaves your device.
- 100% Safe: Perfect for confidential business contracts and personal PDFs.
- Instant Speed: No queueing or waiting for server downloads.
How to use this tool
- Upload your PDF file.
- Choose Text watermark or Image watermark and enter text or select an image.
- Click Add Watermark to apply it to all pages.
- Download the watermarked PDF.
Frequently asked questions
Is it safe to use ToolVX online PDF tools? Will my files be uploaded?
Absolutely safe. ToolVX uses advanced client-side processing technology. Your PDF files stay entirely within your local browser throughout the entire process — never uploaded to any third-party server. Your privacy and business data are 100% protected.
Is this PDF tool completely free? Are there any limitations?
Our tools are completely free for everyone — no hidden fees, no registration required. You can process your documents unlimited times with full efficiency.
Why choose ToolVX over other large PDF converters?
Because we pursue zero-latency and lightweight processing. No complex software or plugins needed — just a browser, and you can process files in seconds on Windows, Mac, or mobile devices.
