When to watermark
Use light opacity and tiling for review copies; single placement works for page footers or corner marks. For huge files, consider splitting first so the tab stays responsive.
Privacy-first PDF suite
Watermark a PDF locally
Draft confidential stamps, logos, or diagonal repeats without uploading the document to us. Presets live in your browser storage.
Runs in your browser — your file stays on your device for this step.
Text or image watermark, tiled or single placement. Processing runs in your browser.
Font (optional)