# Synthesia

> AI video creation platform using photorealistic digital avatars and multilingual narration

Synthesia is a web-based AI video production platform that turns text, presentations, or documents into video presentations featuring lifelike digital avatars. It supports speech generation and dubbing in over 140 languages with synchronized lip movements. In addition to video creation, it provides interactive roleplay sessions, conversational surveys, and developer APIs.

Website: https://synthesia.io/

## What it is for

- Create corporate training and employee onboarding videos without cameras or actors
- Convert PowerPoint presentations into narrated explainer videos
- Translate and dub existing video libraries into 140+ languages with matching lip-sync
- Host interactive avatar-led roleplay scenarios for sales and manager training
- Generate personalized customer-facing videos programmatically via API

## Features

- Lifelike AI avatars with customizable outfits, 3D/comic styling, or custom personal clones
- Text-to-speech generation supporting over 140 languages and natural accents
- AI video dubbing and translation with voice cloning and lip synchronization
- Interactive Sessions for roleplays and conversational survey collection
- PowerPoint-to-video conversion with automatic scene generation
- Interactive video tools including branchable scenarios, clickable CTAs, and quizzes
- Synthesia API and MCP server integration for building programmatic video workflows

## Pricing

Freemium. Free plan available without a credit card; paid plans and custom enterprise tiers available.

## Details

- Type: Web app
- Category: [AI](https://xiry.app/topics/ai.md)
- Topic: [AI Video Generation](https://xiry.app/topics/ai/ai-video-generation.md)
- Open source: no
- Platforms: Web, API
- For: Learning and development teams, corporate trainers, sales enablement teams, and marketers.
- Alternative to: HeyGen, D-ID, Colossyan
- Tags: ai video, ai avatars, text to video, video dubbing, training, multilingual

## Why it was saved

- [@benkaluza, 14 March 2025](https://www.instagram.com/reel/DHMADPcs0Wj/): Generates professional talking avatar presentations and explainer videos quickly.

## Compare

- [Alternatives to D-ID](https://xiry.app/alternatives/d-id.md)
- [Alternatives to HeyGen](https://xiry.app/alternatives/heygen.md)

## Related

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- [Pika](https://xiry.app/resources/pika): AI platform generating and editing video, image, and synchronized audio. (Web app, Freemium)
- [Hailuo AI](https://xiry.app/resources/hailuo-ai): AI video and image generator known for cinematic motion and physics (AI model, Freemium)
- [invideo](https://xiry.app/resources/invideo): AI-assisted multitrack video editor and text-to-video generator for creators and teams. (Web app, Freemium)
- [Kling AI](https://xiry.app/resources/kling-ai): AI video and image generator with advanced motion control and physical simulation (Web app, Freemium)
- [Google DeepMind Veo](https://xiry.app/resources/google-deepmind-veo): Generative AI video model producing cinematic footage with native audio (AI model, Freemium)

Updated 3 October 2026. Page: https://xiry.app/resources/synthesia

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