ID Watermark

Watermark & Protect Photos

Only for iPhone

$1.99 · Designed for iPhone. Not verified for macOS.

iPhone

Add visible & invisible watermarks to any photo. 100% on-device, offline, private. Deter misuse, prove origin. Add visible and invisible watermarks to any photo — protect your images from misuse and prove where they came from. ID Watermark runs 100% on your device, fully offline. Whether you're sharing ID documents, certificates, screenshots, or creative work, ID Watermark helps you deter unauthorized use and trace a photo's origin. Embed a visible text overlay, an invisible digital watermark (DCT/SVD-based), or both — then verify any photo in seconds. KEY FEATURES - Invisible Digital Watermark Embed a hidden, password-protected identifier into your photo's pixels. Invisible to the eye, but extractable in the app to verify authenticity and trace the source. - Visible Watermark Add tiled or custom single-text watermarks (position, rotation, font, color, opacity) to mark ownership clearly. - Batch Mode Generate separately watermarked images for multiple recipients at once — ideal for distributing certificates or documents. - Photo Verification Re-import any watermarked photo to check whether it has been tampered with and read its embedded info. - 100% On-Device & Offline All processing happens locally. No servers, no account, no cloud upload. Your photos never leave your device. - Privacy First No data collection. No ads. No tracking. Your images stay on your iPhone. PERFECT FOR - Protecting ID photos, certificates, and permits - Marking ownership on creative and stock images - Adding "For Verification Only" stamps to documents - Preventing screenshot and photo misuse - Photographers, designers, educators, and businesses How it works: 1) Pick a photo. 2) Set your watermark text and password. 3) Generate. 4) Save or share. To verify, re-open the image in the app. Disclaimer: Watermarks are an anti-counterfeit and traceability aid, not a substitute for legal certification. You are responsible for the photos you process.

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The developer, 岳 胡, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    岳 胡
    Size
    1.8 MB
    Category
    Photo & Video
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English
    Age Rating
    4+
    Copyright
    © 2026 Hu Yue
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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