Watermark PDF
Stamp custom text across every page of a PDF — diagonal, centered, or tiled.
Works entirely in your browser — nothing to installFiles processed privately in an isolated workerAuto-deleted 60 minutes after uploadNo account required to start
Upload files
Drag & drop files here, or click to choose from your device.
Accepted: PDF
Maximum 25 MB per file, up to 1 file. Files are temporary and expire automatically after the configured retention window.
Watermark settings
Accepts PDFUp to 25 MB
About this tool
Protect or brand your PDFs by overlaying a transparent text watermark on each page.
Common uses
Mark drafts as CONFIDENTIALBrand documents with a company namePrevent unauthorized sharing
Good to know
Files never leave the secure pipelineAuto-deleted 60 minutes after uploadNo account required to start
Frequently asked questions
Yes. Enter any hex color code and the tool will apply it with your chosen opacity.