Underlayer

工具程式

免費 · App 內購買 · 專為 iPad 設計。尚未針對 macOS 驗證。

UNDERLAYER - STEGANOGRAPHY MADE SIMPLE Transform ordinary images into secret carriers. Hide confidential messages invisibly within photos and share them through any messenger without raising suspicion. KEY FEATURES: HIDE SECRETS • Embed text messages invisibly into any image • Two encoding modes: Hidden (invisible pixels) and Open (colored frame) • Open mode survives messenger compression (Telegram, WhatsApp, etc.) • Share processed images directly or save to gallery REVEAL MESSAGES • Extract hidden text from steganographic images • Automatic detection of encoding method • Works with images received through messengers • Share intent support - open images directly from gallery WHY UNDERLAYER? • Simple & Intuitive - No cryptography knowledge required • Messenger-Friendly - Open mode designed for compressed sharing • Privacy First - All processing happens locally on your device • Universal - Works with JPG, PNG, WebP formats • No Account Required - Start using immediately USE CASES • Private communication through public channels • Watermarking images with hidden ownership data • Secure note-taking in plain sight • Educational tool for learning steganography • Fun way to send secret messages to friends SECURITY & PRIVACY • No internet connection required for processing • Your messages never leave your device • No data collection or tracking • Complete control over your secrets PREMIUM FEATURES • No banner ads at the bottom • No interstitial ad interruptions • Process unlimited images without ad breaks HOW IT WORKS 1. Select any image from your gallery 2. Enter your secret message 3. Choose encoding mode (Hidden or Open) 4. App embeds message into image pixels 5. Share through messengers or save locally 6. Recipient opens image in Underlayer to reveal message ENCODING MODES EXPLAINED HIDDEN MODE • Message embedded invisibly in image pixels • Completely undetectable to human eye • Best for uncompressed image sharing • Lost when image is compressed by messengers OPEN MODE • Message encoded as colored frame border • Visible as decorative edge around image • Survives Telegram, WhatsApp compression • Recommended for messenger sharing INTERNATIONAL • Available in English and Russian • More languages coming soon • Automatic language detection Whether you're a privacy enthusiast, security professional, or just curious about steganography - Underlayer makes it accessible to everyone. Download now and start hiding your secrets in plain sight! Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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Technical improvements

版本1.0.2

開發者Mihail Rukavishnikov表明App的私隱慣例或包括下列資料的處理。詳情請參閲 開發者的私隱政策 。

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私隱慣例或因使用的功能或年齡等因素而異。 進一步了解

輔助使用

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資料

供應商
Mihail Rukavishnikov
大小
177.5 MB
類別
工具程式
相容性
須使用 iOS 15.1 或以上版本。
  • iPhone
    須使用 iOS 15.1 或以上版本。
  • iPad
    須使用 iPadOS 15.1 或以上版本。
  • iPod touch
    須使用 iOS 15.1 或以上版本。
  • Mac
    須使用 macOS 12.0 或以上版本及配備 Apple M1 或以上版本晶片的 Mac。
  • Apple Vision
    須使用 visionOS 1.0 或以上版本。
語言
英文
年齡分級
4+
App 內購買
是
版權
© Mihail Rukavishnikov
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