Add Image Watermark to PDF

Overlay company logos or custom graphic stamps onto PDF pages with transparency and scaling controls.

How It Works & Processing Standards

Overlay company logos or custom graphic stamps onto PDF pages with transparency and scaling controls.

비밀번호로 암호화된 PDF는 지원하지 않습니다.

Your input data is never sent to any server and is securely processed on your device.

Current Limits

  • Desktop max file size: 50MB
  • Mobile max file size: 25MB
  • Desktop max PDF pages: 300 pages

Add Image Watermark to PDF is a 100% free, browser-based online utility. All calculations and file conversions run locally inside your browser (Local-First) without sending data to remote servers, keeping your documents and inputs strictly private.

How to Use Add Image Watermark to PDF

  1. 1
    Upload PDF & LogoSelect the PDF and your logo image (PNG/JPG).
  2. 2
    Adjust SettingsSet scale percentage, opacity, and positioning anchor.
  3. 3
    ExportDownload your branded document.

Common Use Cases

  • Adding official company seal or transparent logo to customer certificates
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