File Steganography packs any file into a PNG by writing bits across R, G, and B LSBs, preserving the original file name and bytes.
Hide File in Image
Hide File in PNG
Embed PDFs, ZIPs, or any binary file into a PNG carrier using RGB LSB steganography, then extract it later.
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What is this?
How it works
1. Upload a PNG carrier and any secret file.
2. Check capacity vs file size.
3. Download the stego PNG.
4. Later upload that PNG to extract and download the original file.
Features
- Any secret file type
- Capacity progress bar
- Original filename preserved
- Image preview when extracted
- Fully local
Benefits
Carry documents inside images without cloud storage.
Trust & privacy
Files never leave your browser during hide or extract.
Frequently asked questions
About (width x height x 3) / 8 bytes, minus a small header for the file name.
No. Use PNG only so the hidden bits survive.