If you are looking for a true third-party plugin that offers advanced masking and transformation capabilities for free, this is your best bet in 2024.
The Plugin: BCC Filler Developer: Boris FX Cost: Free (Part of the Continuum free unit)
While Boris FX is known for high-end paid suites, they offer a set of free plugins that remain functional even after a trial expires. BCC Filler is one of them. It allows you to create masks with advanced edge controls and fill them with generated media, gradients, or other layers, effectively acting as a powerful transform and compositing tool.
Why it’s a game-changer:
The best choice for advanced editors who need rotation tracking and don’t mind a slightly technical setup. Perfect for action sports or car videos.
1. The "Spider-Web" Visualization When you select a mask in Premiere, this plugin overlays a "spider-web" graph connecting your mask vertices to the center of the mask.
2. Magnetic Smoothing (The "Useful" Update) Often, mask tracking in Premiere results in "jitter" (small vibrations in the mask edge).
3. Procedural Keyframe Reduction High-resolution mask tracking creates hundreds of keyframes, making manual adjustments impossible.