Encode text to barcode
Runtime: —
Decode barcode image
Use the barcode PNG from Encode (or a saved barcode file). Do not upload a stego/cover image here.
Runtime: —
Hide text in cover image
Runtime: —
Hide barcode in cover image
On Extract, choose the same method you used here. LSB, DCT, and Hybrid embed in different ways—mixing them produces garbage or errors.
Runtime: —
Phone / tablet: If nothing saved automatically, use the image below — tap and hold, then Save to Photos / Download image.
Image Quality Metrics
PSNR: — dB
SSIM: —
BER: —%
Image Comparison
Cover
Size: —
File: —
Pixels: —
Stego
Size: —
File: —
Pixels: —
Advanced Analysis
Entropy C: — S: —
Embedded: (see file) LSB: —
Hist Var: — → —
Differences
Size: — Dim: — Pixels: —
Extract from stego image
Must match Hide Barcode → Method (or Hide Text). If you used DCT with JPEG-robust, keep the stego as PNG from the site when possible—re-saving as JPEG in Photos can break normal DCT unless you hid with JPEG-robust.
Runtime: —