Watermark PDF

Drag and drop your PDF here, or click to browse. Overlay custom text or brand logos privately.

Private Local Processing
Repeating tiled grids

Watermark Setup

Overlay Opacity:30%
Angle Rotation:45°
.pdf

Local Client-Side PDF Watermarker

Add confidential text labels or business logos directly onto layout pages privately. Adjust angles, transparency scales, placement, and target ranges locally.

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Custom Text Labels

Enter draft alerts, timestamps, or copyrights. Select font size ranges, customize HEX hex colors, and tilt angles for high visibility.

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PNG / JPG Brand Logos

Upload corporate logo files. Embedded images compile onto target sheets with custom opacity layers and scaling dimensions.

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Tiled Repeating Presets

Choose from corner or center placements, or toggle tiled configurations to distribute watermarks in a repeating 3x3 security grid.

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100% Sandbox Privacy

Calculations execute in local memory arrays. Document data is never uploaded, safeguarding confidentiality of sensitive reports.

Local System Limits

Standard browser capabilities enable fast processing for all hardware. Support depends on browser memory constraints.

Size & Volume Allocations

  • Individual File LimitsMax 100MB per document. Restricting single document size protects the browser parser from execution locks.
  • Page Count Safety CapMax 250 total input pages. Capping input ranges protects active memory and maintains responsiveness.

Compatibility details

Google ChromeFull Support (Fastest arrays parsing)
Apple SafariFull Support (iOS sandboxed safe)
Mozilla FirefoxFull Support
Microsoft EdgeFull Support
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