ShadowSeal
iOS app by 晨 赵. Utilities · 晨 赵
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- 14.99 USD
- In-app purchases
- Unknown
- Version
- 1.0.0
- Listing last refreshed
- 2026-09-09
View the original store listing
Store description excerpt
Protect your digital assets(image/pdf) with invisible watermark technology. Helps creators, photographers, designers, and professionals protect their file(image/pdf) without changing the original appearance. Unlike traditional visible watermarks, invisible watermarks stay hidden while preserving ownership information inside your files. FEATURES • Invisible watermarking Add hidden copyright information without affecting file(image/pdf) quality or appearance. • Local processing All watermark operations happen on your device. Your files never leave your device. • Robust protection Advanced algorithms provide resistance against common image modifications and help preserve watermark information. • Add & verify Easily add invisible watermarks or verify ownership by embedded information. • Multi-platform support Available on iPhone, iPad, and Mac. Your purchase works across supported devices. • One-time purchase No subscriptions. No ads. Pay once and use forever. Your creations deserve lasting protection.
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