Verify Invisible Watermark
Drop an image to decode hidden text. PDF/Video support coming soon.
Drag & drop an image, or click to upload
Currently supports images only
Decoder options
Result
Drop an image to decode
How verification works
Invisible watermarks are embedded into luminance coefficients. The decoder applies the same seed and strength to recover the payload. For robustness, a protocol header and optional error correction can make verification more reliable.