https://aescripts.com/beziyay/

• Beziyay is a tool for After Effects that generates shape layers to visualise bezier handles.
• It provides intuitive styling controls for vertices, tangents, and handles, and lets you display text information for vertex position, tangent angle, and length.
• Beziyay saves you time and allows you to focus on creating beautiful behind-the-scenes case studies for typography, logos, data visualisations, iconography, and illustrations.