TiMark

Visible & Invisible Watermarks

Free · In-App Purchases · Designed for iPad

Add visible or AI-powered invisible watermarks to your photos — with templates, batch processing, metadata management, and full privacy. All on-device. TiMark helps you protect your photos from unauthorized use by adding customizable watermarks to your images. * Add text or logo watermarks to your photos * Choose from a wide variety of fonts * Customize colors, opacity, shadows, and outlines * Position watermarks anywhere or tile them across the entire image * Include date and time stamps for added authenticity * Process single images or multiple photos at once * Save your watermark designs as templates for quick reuse * Preserve or manage photo metadata and copyright information * Embed invisible watermarks powered by a state-of-the-art deep neural network model * Detect and extract hidden watermarks from images * Export in PNG, JPEG, or HEIC formats Whether you're a photographer sharing work online, an artist protecting your creations, or someone who needs to add security to important documents, Watermark makes it straightforward. The live preview shows exactly how your watermark will look before you export, so you can adjust placement, styling, and opacity until it's right. Tiled patterns provide maximum protection against image theft, while single-position watermarks offer a subtler approach. The app includes a metadata viewer that shows camera settings, location data, and copyright information embedded in your photos. You can choose to preserve this data or embed your own copyright notice when exporting. Invisible watermarking takes protection further by embedding a short message directly into image pixels using a state-of-the-art deep learning model. The model uses adversarial training to make watermarks completely imperceptible while achieving industry-leading robustness — surviving cropping, rotation, compression, and combined attacks. Your hidden data can be extracted later to prove ownership, without affecting how the image looks. For those who regularly watermark images with consistent styling, the template system lets you save your configurations and apply them with a single tap. Batch processing handles multiple images at once using the same watermark design. All processing happens on your device. Your images stay private and never leave your phone.

Ratings & Reviews

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- Added invisible watermarking powered by a state-of-the-art AI model — embed hidden messages into your photos to prove ownership without affecting how they look - Improved stability, usability, and performance

Version 3.0

The developer, 社桥 郑, 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

    The developer indicated that this app supports the following accessibility features. Learn More

    • Supported Features

      • Dark Interface

    Information

    • Seller
      • 社桥 郑
    • Size
      • 4 MB
    • Category
      • Photo & Video
    • Compatibility
      Requires iOS 18.0 or later.
      • iPhone
        Requires iOS 18.0 or later.
      • iPad
        Requires iPadOS 18.0 or later.
      • Mac
        Requires macOS 15.0 or later and a Mac with Apple M1 chip or later.
      • Apple Vision
        Requires visionOS 2.0 or later.
    • Languages
      • English
    • Age Rating
      4+
    • In-App Purchases
      Yes
    • Copyright
      • © 2025 Sheqiao Zheng
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Some in-app purchases and subscriptions may be shareable with your family group when Family Sharing is enabled. Learn More

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