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AI tool

Synthesia

A business video platform for turning scripts and source material into template-based videos with synthetic presenters and voices.

Editorially reviewedVerified 2026-08-112 official or primary sources

What it is

Synthesia is oriented toward business video creation for communication, training, onboarding, and related knowledge workflows. Its editor combines scripts, scenes, templates, voices, media, and stock or consent-based custom avatars.

Evaluate the complete communication artifact, not only rendering speed. Review script fidelity, pronunciation, localization, visual accuracy, accessibility, consent and likeness controls, brand treatment, and how viewers are told that media is synthetic.

Worth evaluating for

  • Repeatable training, onboarding, and internal communication videos
  • Template-led video localization with native-speaker review
  • Teams that can govern scripts, avatars, voices, and brand assets

What to measure

  • Script accuracy, pronunciation, timing, captions, and translation quality
  • Avatar and voice consent, access, sharing, and revocation controls
  • Template consistency, accessibility, and reviewer effort before publishing

Decision cautions

  • Synthetic presenters and voices require clear consent, governance, and appropriate disclosure.
  • Plan and workspace settings can affect available avatars, voices, APIs, and brand controls.
  • Generated scripts, translations, gestures, and pronunciation still require human review.

Sources checked

Open the original pages before relying on a time-sensitive product decision.

  1. What is Synthesia?Synthesia
  2. Creating videos in SynthesiaSynthesia
Version · v4.3.4-indexnow-root-proof

Latest releases

IndexNow root-proof request compatibility

After v4.3.3, the exact root-level {key}.txt proof returned HTTP 200, but a full request carrying keyLocation still returned HTTP 403; a minimal homepage request with the same production key and no keyLocation returned HTTP 202. This release omits that field, while the automatic full run and idempotent rerun remain deployment checks.

IndexNow key-proof compatibility

Changed IndexNow verification to the official root-level {key}.txt convention after the first production notification returned HTTP 403; revalidation remains pending, while the website, sitemaps, and Bing sitemap processing are unaffected.

Bing sitemap discovery and IndexNow change notifications

Prepared canonical sitemap discovery for Bing and added automatic IndexNow change notifications while keeping segmented sitemaps authoritative and making no claim that a notified URL has been crawled or indexed.

View all releases