AO-PDF

Add Watermark

Apply printable Latin text to every page.

Local processing boundary

Current workflows process document bytes in this browser. AO-PDF records only the selected tool, outcome, duration, and coarse browser/runtime information—never filenames or document-derived data.

Operating limits

1–1 file; 100 MiB per file; 250 MiB aggregate; 500 pages; 1,024 MiB estimated working-memory limit; 120-second timeout.

  • Watermark text is limited to 120 printable Latin characters.
  • The watermark is applied to every page.

Select files to begin.