Synthesia

Freemium

Synthesia is a video generation platform that makes presenter-led videos from text. You write a script or upload a document, pick an AI avatar, and get a finished video without cameras or studios.

It works in your browser. The avatars lip-sync to your script in over 120 languages. You can clone voices, translate videos, or build custom avatars from your own footage.

It is built for consistent, repeatable content. HR training, compliance modules, and product explainers are where it fits. Creative ads or emotional storytelling are where it struggles.

Open it if you need to scale internal training videos across languages. Skip it if you need TikTok ads or cinematic motion.

You will get the most from it when your job matches this list.

• Corporate training and L&D teams: You build compliance and onboarding videos at scale. You slash production time from days to minutes without rescheduling presenters.
• HR departments creating onboarding content: You set up consistent new-hire videos. Everyone sees the same message, updated instantly when policies change.
• Global companies needing video localization: You translate one script into dozens of languages. The same avatar delivers each version with synced lip movements.
• Teams without video production resources: You have no cameras, editors, or studio space. You still get polished presenter-led output from a browser tab.
• Sales enablement creating repeatable explainers: You arm reps with product demos they can customize. You avoid recording the same walkthrough fifty times.
• Internal communications professionals: You replace newsletters with video updates. Leadership messages feel more personal without booking leadership time.
• Compliance training managers: You prove completion and track progress. SCORM export feeds directly into your LMS without extra tools.
• Customer support teams reducing ticket volume: You record video responses once. Users watch instead of asking the same question again.

These are the parts you keep returning to after your first few projects.

• 240+ lifelike AI avatars: The Express-2 engine captures micro-expressions and hand gestures. Viewers accept the result as professional, not creepy, in training contexts.
• Direct PowerPoint-to-video conversion: You upload a deck and layer an avatar on top. Existing training materials become narrated videos in minutes, not hours.
• 140+ language support with AI dubbing: You preserve the original speaker's voice across translations. Global rollouts that took weeks now finish the same afternoon.
• Custom avatar and voice cloning: You appear in videos without sitting for them. Record a short sample once, then generate future updates without returning to the studio.
• SCORM and LMS integration: You export compliant packages that track completion. Enterprise governance and approval workflows keep legal satisfied.
• Multilingual localization without re-shooting: You update a script and regenerate. The avatar never ages, never changes clothes, and never needs a new contract.

The workflow is designed for speed, not complexity.

1. Write a script or upload a document, PowerPoint, or URL.
2. Pick a stock avatar or use your custom one, then choose a language and voice.
3. Arrange scenes in the slide-based editor, add screen recordings or images if needed.
4. Generate the video and review the lip-sync and pacing.
5. Export as MP4 or SCORM, or translate into additional languages with one click.

Skip it when these limits will block your job.

• The uncanny valley in long takes: Avatars look professional at a glance. Stare at a five-minute monologue and the smoothness turns strange, especially the pauses and mouth movements.
• No place for emotional persuasion: AI delivery lacks range for sales conversions or brand ads. Internal training works; external marketing often flops.
• Strict content moderation delays: Videos enter manual review for unclear reasons. You cannot predict when your project will clear, which hurts tight deadlines.
• Credits expire monthly without rollover: Pay for a tier and lose unused minutes at month end. Sporadic users waste money; heavy users hit overage fees.
• No vertical formats or social templates: You cannot natively export TikTok or Reels. The tool assumes landscape corporate video, not platform-native content.
• Custom avatars locked behind high tiers: The $1,000 studio add-on and enterprise-only API access price out smaller teams who want branded presenters.