Steganography Tool

Hide text in images — LSB encoding and decoding

🔒 Files never leave your browser

Drop image or click to upload

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How it works: LSB (Least Significant Bit) steganography modifies the lowest bit of each color channel in image pixels to encode your message. The change is imperceptible to the human eye. Use PNG format to preserve encoded data — JPEG compression will destroy it.

How to Use Steganography Tool

Choose mode

Select Encode (hide text) or Decode (extract text).

Upload image

Upload the carrier image.

Process

Enter text to hide or extract hidden text.

Why Choose AllTools Steganography Tool?

  • ✓ 100% free, no account needed
  • ✓ LSB encoding
  • ✓ Encode and decode modes
  • ✓ Canvas pixel manipulation
  • ✓ Download encoded image
  • ✓ No data stored or transmitted

Why Use This Tool

  • ★ All processing happens locally — passwords and keys never leave your device
  • ★ No data stored or transmitted to any server
  • ★ Completely free with no usage limits
  • ★ No account or registration required
  • ★ Uses industry-standard cryptographic algorithms

Related Resources

Encrypt data with AES → Compress images → Encode data as Base64 →

Frequently Asked Questions

How does LSB steganography work? ▼
The least significant bit of each color channel is modified to encode message bits, making changes invisible to the eye.
Is there a file size limit? ▼
No strict limit. Processing happens in your browser, so capacity depends on your device memory. Most files work smoothly.
Which browsers are supported? ▼
All modern browsers including Chrome, Firefox, Safari, Edge, and Opera on both desktop and mobile.
Can I use this offline? ▼
Yes. Once the page is loaded, the tool works without an internet connection since all processing is local.
Is my data secure? ▼
Yes. Your data never leaves your browser. Nothing is stored on or transmitted to any server.
Does this work on mobile? ▼
Yes. All AllTools tools are fully responsive and work on phones and tablets.

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