Free YouTube Video Translator
Translate your YouTube video into 130+ languages and accents. Preserve each speaker's original voice with perfect lip-sync.
Add your YouTube link
Your first minute of video is completely free. We'll trim any longer videos.
Pick from one of our sample videos
Translate to
By using this service, you confirm you have all necessary rights, licenses and permissions to upload and dub this content, and that your use of any dubbed content will be in accordance with the Acceptable Use Policy and in compliance with applicable regulations related to intellectual property and data privacy.
Trusted by over 90% of Fortune 100 companies.
Why Synthesia is the best YouTube video translator
Translate YouTube videos in minutes
Turn existing YouTube content into localized videos without re-recording or rebuilding your workflow.
- Paste your YouTube link and generate high-quality dubbed versions in 130+ languages and accents
- Preserve original voices across languages, even in videos with multiple speakers
- Deliver natural, multilingual videos faster using your existing YouTube content
Natural lip-sync in every language
Make translated YouTube videos look as natural as they sound.
- Automatically sync lip movements to translated speech for realistic delivery
- Remove visual distractions caused by mismatched audio and mouth movement
- Create smoother, more engaging viewing experiences across all languages
Generate accurate subtitles automatically
Trust your captions while staying in full control.
- Automatically generate subtitles from your YouTube video with high transcription accuracy
- Create translated captions for every language version without manual work
- Edit and fine-tune subtitles to ensure clarity, timing, and consistency
Edit translations without losing meaning
Ensure translations stay accurate and aligned to your original intent before publishing.
- Adjust wording as needed while the system preserves the original meaning
- Avoid accidental misstatements with built-in checks on edits
- Produce multilingual videos that stay true to your content goals
How to translate YouTube videos in Synthesia
It takes just minutes to translate videos into multiple languages in Synthesia. Here's how.
Paste YouTube video URL
Provide the link for your YouTube video or add an MP4, MOV, or WebM file. The original language is automatically detected.
Choose target languages
Select the languages and accents you want to dub your video in. Each selection will generate a separate video.
Review and fine-tune
Play each dubbed video, tweak the translated script to ensure accuracy, and adjust voices in the editor.
Publish with one smart link
Generate the final videos and share a single player link. Viewers automatically see their language and can switch anytime.
Why do training, marketing and sales leaders trust Synthesia?
“It's enterprise-ready and makes video creation easy.”
"What used to take 4 hours now takes 30 minutes."
"The platform is so easy to use and intuitive."
“We make videos fast and use them every day.”
“Updating 10,000 courses? Totally doable now.”
"100 hours of translation done in 10 minutes!"
"I don't need a third party anymore. I do it myself"
“50% faster content. Without sacrificing quality”
"Teams adopt it fast and use it across the company."
“Interactive video is redefining training for us”
“We push updates without touching the LMS.”
"We saved $56K and hit 100+ custom videos."
"With Synthesia, we get lightning-fast results."
"180 videos. 5 languages. 0 hassle."
“It’s easy to use and grows across teams fast.”
One platform to create, localize and manage videos at scale
Brand Kit
Apply consistent branding across every video with your predefined fonts, colors, logos, and avatars.
AI Playground
Access and test the latest AI models, like SOra 2, Veo 3 and Nano Banana Pro, to generate high-quality assets for your videos.
Customizable avatars
Add customizable avatars that can act out any scenario in any environment using Veo 3.
Smart updates
Any video you embed or share updates automatically whenever you make an edit.
Analytics
Measure views and watch time to understand how viewers interact with your videos.
Frequently asked questions about YouTube translation
What is the best YouTube video translator?
Synthesia's tool is the best YouTube video translator because it automatically translates and dubs videos into over 130+ languages and accents, preserves the original speaker’s voice, and delivers perfect lip‑sync for a natural, professional look. Unlike other tools, Synthesia has a secure editing feature that that enables you to make quick transcript adjustments, without changing the original meaning of what's being said.
Is it free to translate YouTube videos?
Yes, the free YouTube video translator tool allows you to translate videos into 130+ languages and accents. The first minute of video translation is completely free, giving you the opportunity to experience professional-quality AI dubbing with preserved original voices and perfect lip-sync.
What languages can I translate YouTube videos into?
You can dub your YouTube video into 130+ languages and accents, including but not limited to: English, Spanish, French, German, Portuguese, Italian, Chinese (Mandarin), Japanese, Korean, Arabic, Hindi, Russian, Turkish, Vietnamese, Thai, Dutch, Polish, Swedish, Indonesian, Bengali, and Persian.
How accurate are Synthesia's translations?
Synthesia's YouTube video translator combines advanced AI technology with practical editing tools to ensure high accuracy in both translation and dubbing. The platform automatically detects the spoken language in your video and creates translations that preserve not just the words but also the context and tone of the original message. The AI maintains the natural rhythm and pacing of speech, ensuring that dubbed content sounds authentic rather than robotic or stilted.
To further enhance accuracy, Synthesia provides secure editing capabilities that allow you to review and refine translations before finalizing them. You can adjust the transcript to correct any nuances or industry-specific terminology while the platform's moderation tools ensure changes don't alter the core message.
Is AI dubbing safe?
Synthesia prioritizes safety and security in AI dubbing through multiple layers of protection and ethical guidelines. The platform implements rigorous content moderation at the point of creation, using both advanced technology filters and human oversight to prevent inappropriate use. Every transcript edit is moderated to ensure the original message remains intact, protecting individuals from having their likeness misappropriated or their words altered in misleading ways.
Beyond content safeguards, Synthesia maintains enterprise-grade security standards including SOC 2 compliance, GDPR compliance, and ISO 42001 certification for responsible AI use. The platform includes secure editing features that allow teams to collaborate on translations while maintaining strict access controls.
Can I edit the translated script?
Yes, you can review and adjust the translated transcript to fine‑tune phrasing or improve accuracy. Built-in moderation safeguards ensure the message of your dubbed voices can't be altered or misused.
Not just a YouTube translator
Synthesia is an end-to-end AI video platform that helps you translate, create, and scale video content for global audiences. Alongside AI dubbing, you can use the AI video generator to create new videos from scratch, convert documents like PDFs or webpages into professional videos, and streamline production with the AI script generator.
Repurpose existing YouTube videos, presentations, and training materials into high-quality, localized content for every market. Create training videos, tailor versions by language or region, and manage everything in one platform. From translation to creation and publishing, Synthesia helps you increase the reach and impact of your content.
