AI video translator

Our 1-click AI video translator preserves your video’s original voices while perfectly syncing lip movements.
- Translate any video into 29+ languages
- Retain original voices with natural lip sync
- Up to 90% cheaper than studio dubbing
Trusted by over 50,000 companies
Why users love Synthesia’s AI video translation
Instant video translations
Upload and receive fully dubbed videos in minutes — not weeks — thanks to one‑click AI video translations.
Authentic voice & lip sync
AI preserves the speaker’s real voice and precisely matches mouth movements, so every language version looks and sounds native.
Affordable pricing
Swap $30‑60/min studio fees for AI dubbing that starts at just $2.90/min and scales effortlessly.
Enterprise-grade security
Synthesia is built with enterprise-grade security at its core. From SOC 2 and GDPR compliance to SAML SSO and rigorous data handling practices.

How to translate any video with Synthesia
Turn any video into a fully dubbed, lip‑synced video in 29 + languages. Just follow the four quick steps below and reach global viewers in minutes.
Step 1: Upload your video
Drag any MP4, MOV, WEBM or YouTube video into Synthesia. The platform automatically detects what language is being spoken.
Step 2: Pick your target languages
Choose from 29 + language options and select if you would like to sync the translated audio with the lip movements of the speakers in your video, and then click ‘Generate’
Step 3: Review and fine‑tune
Play each dubbed track, adjust the transcript, or swap a voice in the built‑in editor until everything sounds and looks right.
Step 4: Publish with one smart link
Generate the final files in minutes and share a single player link. Viewers automatically see the version that matches their language and can switch languages at any time.

Translate videos into any language with the same voice


Why do training, marketing and sales leaders trust Synthesia?

See examples of videos translated with Synthesia
Easily translate and localize training, marketing, and product videos to engage global audiences in their own language.

All your video translation questions answered
How can I translate a video?
You can translate a video by uploading it to Synthesia and choosing your target languages. The AI produces fully dubbed versions within minutes.
What video formats can I translate?
You can upload videos in MP4, MOV, or WEBM formats (up to 1GB or 2.5 hours long). You can also upload YouTube videos (up to 2 minutes long).
Can I keep the original voices in my video when dubbing?
Yes. The AI voice‑cloning engine preserves the speaker’s tone and timbre, while automatic lip‑sync aligns every word to mouth movements for a natural, authentic result.
How accurate is Synthesia’s AI video translator?
Synthesia is trained on millions of dialogue pairs and achieves near‑human accuracy. Any minor discrepancies can be refined instantly with the built‑in transcript editor before publishing.
Is AI video translation cheaper than traditional dubbing?
Yes. Synthesia’s AI dubbing can cut video translation costs by up to 90 percent compared with studio dubbing, making large‑scale localisation affordable.
Is my translated video content secure?
Absolutely. Synthesia is ISO 42001, SOC 2, and GDPR compliant, applying robust encryption and real‑time content moderation to safeguard your data, brand, and every translated video.