Synthesia

AI avatar videos from a script, no camera or crew required

A platform that turns a text script into a talking-avatar video in minutes, used heavily for corporate training, product explainers and localized marketing content at scale.

Screenshot of the Synthesia homepage

Picked for Scripted Video Production Without a Studio.

Synthesia turns a written script into a finished video with a talking presenter, which sounds like a gimmick until you consider how much corporate video is really just narrated slides or documentation with a face attached. That’s the market it dominates: onboarding, compliance training, product explainers and internal comms, where consistency and speed matter more than cinematic polish.

Its clearest advantage is scale — a training team can produce dozens of videos, or the same video in over a hundred languages, without booking a presenter, a studio or a translator for each one. Custom avatars extend that further, letting a real spokesperson or executive “appear” in videos they never actually filmed, which is a big unlock for large organizations with a recognizable internal voice.

The tradeoff is authenticity. Even the best Synthesia avatars still read as synthetic under close attention — the emotional range and physical nuance of a real performer aren’t there yet — so it’s a poor fit for anything that leans on genuine human warmth or high-stakes brand storytelling. It’s best understood as an efficiency tool for high-volume, lower-stakes video, not a replacement for real production.

Features

Stock and custom AI avatars

Choose from a large library of presenter avatars, or build a personal or corporate avatar trained on real footage of a specific person.

Script-to-video generation

Paste or write a script and Synthesia turns it into a full video with a presenter, matching lip sync and natural pacing automatically.

Multilingual translation

Translate an existing video's script into 100-plus languages and regenerate it with matching lip sync, avoiding a full reshoot per market.

Templates and screen recording

Prebuilt templates for training and explainer formats, plus a built-in screen recorder for combining narration with a screen-share.

SCORM export

Videos publish into an LMS as trackable course objects, which is the difference between training content and a video link.

Brand kits and shared workspaces

Fonts, colours and approved templates enforced across everyone producing video, rather than per-creator drift.

Use cases

  • Producing employee onboarding and compliance training videos at scale
  • Localizing a single explainer video into dozens of languages
  • Turning existing documentation or slides into a narrated video
  • Creating product demo videos without booking a presenter or studio
  • Publishing training videos into an LMS as trackable SCORM packages
  • Reissuing a training video after a policy change by editing the script

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