HitFilm Express is not a plugin for Final Cut Pro. It is a standalone application. You must export your green screen clip from Final Cut Pro as a ProRes file, import it into HitFilm Express, key it, then export back. This is a round-trip workflow, but it is 100% free and legal.
Hawaiki Keyer 5 is not just a keyer; it is a complete keying suite. It separates itself from the competition through several core features: hawaiki keyer 5 free
Hawaiki Keyer 5 Free is a free version of the professional chroma keying software, Hawaiki Keyer 5. It offers many of the same features as the paid version, but with some limitations. The software uses advanced algorithms to automatically key out green screen backgrounds and replace them with a seamless composite. HitFilm Express is not a plugin for Final Cut Pro
: Automatically tracks faces and objects to create secondary "headmats" or dynamic garbage mattes, significantly reducing manual masking time. Edge Tracking This is a round-trip workflow, but it is 100% free and legal
If you refuse to pay for the plugin and refuse to use standalone software, here is how to replicate Hawaiki Keyer 5’s results using free or built-in tools.