Hide secret messages inside emojis using Unicode Tag Characters with GhostInk, an open-source steganography tool that makes hidden data completely invisible.
Screenshots
About GhostInkEmoji Steganography Tool App (Developer Tools)
GhostInk is an open-source emoji steganography tool that lets you hide secret text within emojis using Unicode Tag Characters (U+E0001–U+E007F). The hidden data is completely invisible and the emoji looks identical to the original, making it a powerful way to conceal information in plain sight.
Built with a Flask/Hypercorn backend and React frontend and both bridged with vite-fusion (the same technology that powers HomeDock OS), GhostInk provides a sleek interface for encoding, decoding, and managing hidden messages. It supports authentication, rate-limited access, and secure session handling, making it suitable for both personal use and self-hosted deployments. Don’t believe us? Check the following emoji then: 👻
GhostInk also includes pre-built examples to help you understand how steganography works, along with educational content about tag character functionality and platform compatibility. Your encoded emojis survive on platforms like Twitter/X, Signal, and Email, while platforms like Telegram and Discord may strip the hidden data. It’s the perfect blend of privacy, education, and… fun. Who said prompt injection?
GhostInk Key Features:
- • Emoji Encoding: Transform any emoji into one carrying concealed secret information.
- • Invisible Decoding: Extract hidden text from suspicious emojis with one click.
- • Emoji Stash Storage: Store encoded emojis with custom labels for later access.
- • Codepoint Analysis: Color-coded visualization of visible, hidden, and cancel tag characters.
- • Accent Normalization: Automatic conversion of accented characters to ASCII for universal compatibility.
- • Pre-Built Examples: Sample emojis included to learn and demonstrate steganography in action.
- • Platform Awareness: Data preserved on Twitter/X, Signal, and Email; transparent about platform limitations.
- • Self-Hosted Security: Single-user authentication, bcrypt password hashing, and secure session cookies.
- • Docker Deployment: Quick setup with Docker Compose or as a native HomeDock OS application.
- • Open Source: Released under AGPL-3.0, fully transparent and community-driven.
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