Add Watermark

What this tool accepts

.PDF input · .PDF output

Local safeguards

1 PDF file · 75 MB. 500 pages/file · 200 characters max in watermark text · 128 MB max result

Private and offline-capable

Processing happens in this browser. Files are not uploaded, and generated results remain in memory until downloaded or the tab is closed. After the first successful production load, the app shell and local processing engines can work offline.

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