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PDF Watermark

ExtensionTools7 users
Item media 3 (screenshot) for PDF Watermark
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Item media 3 (screenshot) for PDF Watermark
Item media 1 (screenshot) for PDF Watermark
Item media 1 (screenshot) for PDF Watermark
Item media 2 (screenshot) for PDF Watermark
Item media 3 (screenshot) for PDF Watermark

Overview

Add text watermarks to PDFs locally in your browser. Files never leave your machine.

PDF Watermark A Chrome extension that adds text watermarks to PDFs entirely in your browser. Files never leave your machine. No upload, no server, no telemetry. Features - Drag-and-drop or click to load a local PDF - Watermark with English, Chinese (simplified), or mixed text - Live preview of the first page - Adjustable parameters: opacity, rotation angle, font size, color - Three layout presets: single (centered), 2×2 grid, 3×3 grid - Output PDF preserves the original content; watermark sits on top of every page - Files up to 100 MB Privacy This extension runs 100% locally: - No network requests of any kind - No data collection or analytics - No background page or service worker watching your activity - The permissions field in manifest.json is empty - All processing (PDF parsing, font embedding, watermark drawing) happens in the popup, in your own Chrome process

Details

  • Version
    0.1.0
  • Updated
    May 4, 2026
  • Offered by
    Jack Liu
  • Size
    3.85MiB
  • Languages
    English
  • Developer
    Email
    tomato.sliu@gmail.com
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

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The developer has disclosed that it will not collect or use your data.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes
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