Add text or image watermarks diagonally across your PDF pages. Protect your documents with custom watermarks.
Click or drag a PDF file here
The TooliFyra PDF watermark tool online lets you add custom text watermarks diagonally across every page of your PDF. Adjust text, color, opacity, and size to create the perfect watermark for branding, protection, or document classification — all from your browser.
Enter any watermark text and fully customize its color, opacity, and size using the online PDF watermark controls.
Watermarks are placed diagonally across each page for maximum visibility and full coverage of your document.
Your documents never leave your device. The PDF watermark tool runs entirely in your browser with zero uploads.
Watermarks protect your intellectual property, indicate document status, and discourage unauthorized sharing. This PDF watermark tool online makes it effortless to add professional watermarks to confidential documents, drafts, and sample materials.
Business: Mark proposals, invoices, and internal documents as CONFIDENTIAL or DRAFT. Photography: Protect portfolio images and sample work from unauthorized use. Legal: Watermark draft contracts and legal documents before final distribution.
TooliFyra provides a free PDF watermark tool online without server uploads. Your documents stay completely private while you add custom watermarks with full control over appearance.
Currently, the PDF watermark tool online supports text watermarks only. Image watermark support may be added in a future update.
The watermark is embedded into the PDF content stream. Removing it requires our dedicated Remove Watermark tool.
Currently watermarks are applied to all pages in the document. Page-specific selection may be added in a future version.