To convert log to Rec. 709, you'll need to use a color grading software or video editing application that supports color management and LUTs (Look-Up Tables). Many popular video editing applications, like Adobe Premiere Pro, DaVinci Resolve, and Final Cut Pro X, offer built-in tools for converting log to Rec. 709. Typically, this process involves applying a LUT specifically designed for your camera's log format, followed by additional color grading and exposure adjustments as needed.