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Image Steganography — Hide Secret Text in an Image (LSB)
Hide a secret text message inside an image's pixels, or reveal one that's already hidden — entirely in your browser. Uses least-significant-bit (LSB) steganography: your message is woven into the image so it looks identical to the eye. Nothing is uploaded; your secret never leaves your device.
Hide a secret text message inside an image's pixels, or reveal one that is already hidden — entirely in your browser. It uses least-significant-bit (LSB) steganography, weaving your message into pixel values so the picture looks identical to the eye. Nothing is uploaded; your secret never leaves your device.
How It Works
Choose a tool
Pick from 120+ tools to resize, convert, compress, or enhance your image.
Upload & edit
Drag and drop your image and adjust the settings. It stays on your device.
Download
Save your result instantly — no watermark, no sign-up required.
Why Image Machine?
Your files never leave your device
All processing runs locally in your browser. Your images are never uploaded to a server.
Completely free
Every tool is free, with no limits, no watermarks, and no hidden costs.
Lightning fast
No upload waiting — your images are processed instantly on your own device.
Professional quality
Pixel-perfect output with full control over format, size, and quality.
Frequently Asked Questions
How does hiding text in an image work?
LSB steganography stores your message in the least-significant bit of each color value. Changing that last bit shifts a color by an imperceptible amount, so the image looks unchanged while quietly carrying your text. The reveal step reads those bits back out.
Is the hidden message encrypted?
No — steganography hides that a message exists, but it does not encrypt the content. Anyone who runs the same LSB extraction can read it. For real secrecy, encrypt your text first, then hide the encrypted result.
Will the image look different after I hide a message?
No. The changes are in the least-significant bits, far below what the eye can detect, so the stego image is visually identical to the original.
What can destroy the hidden message?
Re-compressing the image — especially saving it as JPEG — resizing, or recoloring it rewrites the pixel bits and erases the message. Always export and share the stego image as a lossless PNG to keep the hidden text intact.