Synthesys.io is an AI media generation platform that enables users to create voiceovers, AI avatar videos, and synthetic human presenter content without recording studios or professional actors. The platform offers a library of AI voices across multiple languages and accents, along with AI human avatars that can be paired with generated audio to produce talking-head videos. Users can input text scripts and select from available voices or avatars to render finished audio and video content. The platform targets content creators, marketers, educators, and businesses seeking to produce training materials, explainer videos, product demos, and marketing content at scale. Synthesys.io provides a browser-based interface requiring no specialized hardware or software installation. Output formats include audio files and video files suitable for distribution across digital channels. The service is offered on a subscription basis with tiered plans differentiated by usage limits, voice access, and feature availability.
Target audience and deployment
- Solo / Freelancer
- Startup
- SMB
- Mid-market
- Cloud
Key features
Use cases
- Generate AI voiceovers for marketing content
- Create AI avatar presenter videos
- Produce e-learning and training materials
- Localize content across multiple languages
- Scale content production for agencies
Best for
- Content creators who need to produce professional voiceovers without recording equipment
- Marketers who need to generate video and audio content at scale
- Educators who need to create narrated e-learning videos quickly
- Small businesses who need affordable video production without hiring actors