Image Steganography (LSB)
Encode UTF-8 text into the least significant bits of an image and download a PNG. Reveal by loading the stego image — capacity is limited to short notes.
Runs entirely in your browser. Your data never leaves this device.
- LSB encode/decode
- PNG export
- Capacity estimate
- Local canvas
- No upload
How it works
- Adjust the controls or paste your input.
- Preview results instantly in the browser.
- Copy or download the output — nothing is uploaded.
Key features
- LSB encode/decode
- PNG export
- Capacity estimate
- Local canvas
- No upload
FAQ
Is this private?
Yes — processing runs in your browser; we do not upload your inputs.
Do I need an account?
No — free to use without signup.
Does it work offline?
After the page loads, most tools work without further network calls.
Mobile friendly?
Yes — layouts adapt to smaller screens.
How does LSB work?
The least significant bit of selected RGB channels stores message bits. Capacity is limited; stick to short text and PNG output.
Keep building
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