Image Steganography hides UTF-8 text in the blue-channel LSB of PNG images and can extract messages encoded the same way.
Image Steganography
Hide Text in Images
Embed secret text in PNG pixels with LSB steganography, or extract hidden messages - free and local.
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What is this?
How it works
1. Choose Hide or Extract.
2. Upload a PNG carrier.
3. Enter text (capacity shown live) or extract from an image.
4. Download the stego PNG or copy the recovered text.
Features
- Hide and extract tabs
- PNG-only lossless
- Live capacity meter
- Side-by-side preview
- Copy and TXT download
Benefits
Share messages inside ordinary-looking images without a server.
Trust & privacy
Encoding and decoding run entirely on your device.
Frequently asked questions
JPEG compression destroys LSB data. PNG is lossless.
No. Only the least significant bit of the blue channel changes.