Best video encoding AI tools

Line 21 is an intelligent captioning solution that combines professional human captioners with advanced AI technology. It offers real-time captioning, live translation in over 120 languages, AI-powered proofreading, and automatic speech recognition (ASR). Designed for live events, broadcasts, and meetings, it ensures fast, accurate, and accessible content delivery to global audiences across platforms like YouTube, Zoom, and Teams.

Mux is a developer-first video API platform that simplifies the integration of live and on-demand video. It provides robust infrastructure for encoding, streaming, and real-time analytics, enabling businesses to deliver high-quality video experiences at scale. Mux offers two core products: Mux Video for streaming and Mux Data for Quality of Experience (QoE) monitoring.