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What is PDF Watermark?
PDF Watermark is a free online developer tool that add text or image watermarks to PDF pages for branding and protection. Like all FluxBench tools, it runs entirely offline in your browser — no data is ever sent to any server.
How to use PDF Watermark
1
Open the PDF Watermark tool on FluxBench
2
Add text or image watermarks to PDF pages for branding and protection
3
Copy or download your result — ready to use
Common use cases
- Quick pdf watermark tasks during development
- Processing data without installing desktop software
- Privacy-sensitive work where data must never leave your device
Frequently Asked Questions
Is PDF Watermark free to use?
Yes, PDF Watermark is completely free on FluxBench. No account, no signup, no payment required.
Does PDF Watermark send my data anywhere?
No. All FluxBench tools run 100% offline in your browser. Your data never leaves your device — we have no backend servers.
Can I use PDF Watermark on mobile?
Yes, FluxBench works on any modern browser including mobile. Just open the tool page on your phone or tablet.
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