HiddenInk

Hide secrets inside images & text — in your browser

Hide a message or file inside a PNG with LSB steganography, hide text inside normal text with invisible zero-width characters, and reveal it all back — one free, private hub. Runs in your browser — your images and text never leave your device.

Runs in your browser · nothing uploaded
✓ No upload✓ No signup✓ PNG lossless✓ Works offline

Image Steganography

Hide a message or file inside a PNG's pixels with LSB steganography.

Image

Hide Text in Image

Hide a text message inside a PNG using LSB steganography, with an optional password, then extract it back. Runs locally in your browser — no upload, no signup. Free.

Image

Hide File in Image

Embed a small file inside a cover PNG using multi-channel RGB LSB steganography, up to the image's capacity, then extract it back. 100% in your browser — no upload. Free.

Text Steganography

Hide a secret inside normal text using invisible zero-width characters.

Text

Text Steganography

Hide a message inside visible text using invisible zero-width Unicode characters. Copy the result anywhere — chat, email, a doc — and paste it back here to reveal. In-browser, free.

Reveal & Extract

Reveal hidden data from an image or text — universal extractor.

Reveal

Steganography Extractor

Paste an image to reveal hidden LSB data, or paste text to reveal zero-width characters — with optional password. Auto-detects the LSB depth. 100% in your browser, free.

HiddenInk Pro

Batch hide-to-zip, an invisible watermark, and an LSB steganography detector.

ProPro

Batch Hide in Images

Hide the same message (optionally password-encrypted) into a batch of PNG covers and download them as a single .zip. Reveal the payload from any one member. In-browser, 100% private. Pro.

ProPro

Invisible Watermark

Embed an imperceptible owner/ID signature into an image and detect it back later without the original — for provenance and leak-tracking. Runs in your browser. Pro.

ProPro

Steganography Detector

Analyse an image for hidden LSB steganography with a chi-square heuristic, plus a visual LSB-plane preview. An honest verdict, never a guarantee. Runs in your browser. Pro.