ShieldMnt

license

MIT(OSI)

source

public

core features withheld

no

The whole library is MIT-licensed in a small public repository, and nothing in its tree sits under other terms.

• https://raw.githubusercontent.com/ShieldMnt/invisible-watermark/main/LICENSE recorded 2026-09-26

  "MIT License Copyright (c) 2021 ShieldMnt"

• https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ShieldMnt%2Finvisible-watermark recorded 2026-09-26

  ShieldMnt/invisible-watermark: license mit, archived false, fork false, pushed 2023-09-23

• https://ungh.cc/repos/ShieldMnt/invisible-watermark/files/main recorded 2026-09-26

  Full file listing, 16 paths: the library, tests and README; no ee/, enterprise/, commercial/ or proprietary/ directory

PyPI downloads of invisible-watermark measure the package. They count installs, including those pulled in by other software, not checks for a watermark.

• https://pypistats.org/api/packages/invisible-watermark/recent recorded 2026-09-26

  last_month downloads = 120,631 for invisible-watermark

Anyone can decode the mark with the same open library, without a key, so the check does not depend on the embedder. The maintainers say decoding can fail even on untouched images, and the mark proves nothing about who placed it, two steps below NVIDIA's hardware attestation.

• https://raw.githubusercontent.com/ShieldMnt/invisible-watermark/main/README.md recorded 2026-09-26

  default dwtDct "is fast and suitable for on-the-fly embedding"; "The algorithm cannot guarantee to decode the original watermarks 100% accurately even though we don't apply any attack"