Synthesia

AI avatar video generator for content + marketing.

Overview

Synthesia enables users to produce AI-generated videos by typing text or scripts. It provides customizable virtual avatars, AI-generated voiceovers, and multiple languages, allowing creators to quickly produce presentations, tutorials, marketing videos, and training content without cameras or actors.

Key features

240+ AI avatars with natural gestures and expressions
1000+ AI voices in 160+ languages
One-click video translation and localization
AI voice cloning from photos or recordings
AI Screen Recorder with automatic transcription
Brand Kit for consistent on-brand videos
Real-time team collaboration
SCORM export for LMS integration
Video analytics and performance tracking
Interactive avatars and roleplay sessions

Pros

No filming, cameras, or studios required
Extremely fast video creation from text
Supports 160+ languages with automatic lip-sync
Enterprise-grade security and compliance
Intuitive interface requires no video editing skills
Significant cost and time savings vs. traditional production
Trusted by 90% of Fortune 100 companies

Cons

Content moderation required before video delivery
Personal avatars require consent verification process
Voice cloning limited to Enterprise plans
Studio avatars require dedicated session with team

Use this if

You need to create professional videos at scale without filming, want to localize content across multiple languages quickly, or require enterprise-grade security and compliance for training and marketing content.

Skip this if

You need live-action video production, require real human presenters on camera, or need features beyond AI-generated video content.

Best for

Training and onboarding videosSales enablement contentInternal communicationsMarketing and product explainersCompliance trainingEmployee developmentLocalized content at scale

Alternatives

D-IDHeyGenRunwayDescriptLoom

Compare Synthesia alternatives

More AI

Compare all

Canary

AI-powered QA agent that automatically tests code changes and catches bugs before production.

Dock

Multiplayer workspace where AI agents work together as a team, coordinating autonomously without requiring constant human intervention.

Agent FM

AI desktop app that automates repetitive computer work across your files, email, and existing tools.

Papaya

Optimization engine that analyzes production AI agent workflows to find and rank improvements by quality, latency, and cost impact.