Update 2024-2025: With the shutdown of many public "keybox" repositories and the legal crackdown on tools like GetWVKeys, the landscape of Widevine L1 extraction has shifted dramatically. If you landed here looking for a working alternative, you need to understand what has changed—and what actually works today.
It is impossible to discuss these tools without addressing the legal framework. The Digital Millennium Copyright Act (DMCA) and similar international laws generally prohibit the circumvention of DRM, even for personal backup purposes.
The shift from GetWVKeys (a service) to Local CDMs (a methodology) is technically significant. While GetWVKeys acted as a centralized target for potential litigation, local extraction places the onus entirely on the end-user. This decentralization makes the tools harder to shut down but places the user at higher personal risk. getwvkeys alternative
Advanced users may set up their own license proxy, mimicking GetWVKeys’ backend.
getwvkeys-cc (community fork, rarely maintained), widevine-proxyBefore you can extract keys, you need a functional, unrevoked Widevine L3 CDM. This is the hardest part. Alternatives to GetWVKeys focus on different methods to obtain this CDM. Beyond GetWVKeys: The Modern Alternatives for Widevine L1
If you need Widevine functionality for legal purposes (content analysis, security research with authorization, or own content):
Official Widevine SDK - Through Google's Widevine partner program (requires licensing agreement) Shaka Player dash
Shaka Packager - For packaging and encrypting your own content with Widevine
Bento4 - MP4 tools including Widevine encryption support
TeeJee - Open source Widevine CDM wrapper for research (use only with content you own)