Use Cases
September 12, 2025
Translate Multiple Videos at Once – How Bulk Processing Works with Dubly

When Does Bulk Processing Make Sense?
Bulk processing is the right choice if:
- You need to translate dozens or hundreds of videos at once
- Your videos are part of a campaign, course, or training program
- You want efficient, consistent translation across many files
- You work with recurring or templated content
- You want to save time while keeping full control over voice, tone, and output
Typical use cases include:
- E-learning platforms with growing course libraries
- Global enterprises translating internal training content
- Media publishers localizing video archives
- Creative agencies handling multi-language campaigns
- SaaS companies onboarding users across markets
How Does Bulk Processing Work at Dubly?
Dubly offers a structured and reliable bulk translation workflow tailored to your needs:
1. Submit Your Request
Reach out to us at hello@dubly.ai and let us know:
- How many videos you want to translate
- The languages you need
- Any specific preferences (e.g., glossaries, tone, speaker voices, formats, delivery deadlines)
We’ll get back to you quickly and walk you through the best setup — either via email or in a short onboarding call.
2. Upload Your Files
We provide a secure file transfer option via Google Drive, Dropbox, SFTP, or your preferred method. You can also use our API for automated handoff.
No restrictions on file size, number of videos, or formats — our infrastructure handles it all.
3. Processing Begins
Once the files are received, our system begins processing with a mix of AI automation and human supervision:
- AI-powered translation based on your language and tone preferences
- Optional lip sync generated at the final step for visual precision
- Custom glossaries applied for product names, branding, and terminology
- Native Speaker Review available on request
- Optional subtitles, transcripts, or separate audio tracks can be included
- Quality checks to ensure accuracy, structure, and consistency
4. Receive Your Results
We deliver all translated files in a clear, structured format:
- MP4, WAV, or even ProRes HQ on request
- Matching file names for easy mapping
- Separate audio/video files if needed
- Optional metadata like timecodes, captions, or speaker IDs
- API-based return also possible for automated ingestion
Why Choose Dubly for Large-Scale Video Translation?
Quality You Can Trust
- Human-like AI voices with optional voice cloning
- Accurate lip sync, even in close-ups or talking head videos
- Full control over tone, formality, and timing
- Built-in glossary support for brand accuracy
- Optional Native Speaker Control for sensitive content
Built for Scale
- Translate dozens or hundreds of videos at once
- Stable infrastructure for large files and high throughput
- Flexible delivery formats tailored to your post-production setup
- Fully automatable via API if needed
GDPR & Enterprise Ready
- All data stored on EU-based servers
- No training of language models with customer content
- SCCs in place for subprocessors
- Available NDAs, TOMs, DPAs, and support for data deletion & access rights
Real Support from Real People
- Dedicated onboarding & support for your bulk project
- Slack/email/live chat communication
- Consultative input on best practices, voice settings, and file handling

Example Use Case: Translating an E-Learning Video Library
A European EdTech provider approached Dubly with a challenge:
Localize over 150 training videos into six languages — fast, consistent, and ready for upload to their LMS.
With Dubly, they were able to:
- Upload all files via SFTP in one batch
- Apply their brand glossary for terminology consistency
- Review sensitive modules with Native Speakers
- Receive ProRes video outputs for select courses
- Scale global access to their learning content without months of delay or agency overhead
FAQ: Translate Multiple Videos at Once – How Bulk Processing Works with Dubly
Why is bulk processing important for businesses?
Because it allows large volumes of videos to be translated in parallel, saving significant time and costs.
How does bulk processing work with Dubly?
Multiple videos can be uploaded at once, translated into target languages, and lip-synced automatically at scale.
What advantages does Dubly offer compared to manual handling?
Dubly saves time, reduces errors, ensures consistent quality, and simplifies management with a central dashboard.
Can individual settings be applied in bulk workflows?
Yes, glossaries, speaker profiles, and tone preferences can be set at the account level and automatically apply to all videos.
Who benefits most from bulk processing?
Agencies, marketing teams, e-learning providers, and companies with frequent large video volumes.
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Final Thoughts: Focus on Content, Not Clicks
If you’re still uploading videos one by one into basic tools — you’re wasting time and risking quality.
Dubly’s Bulk Processing service gives you a reliable, scalable way to localize your video content at enterprise level.
It’s fast.
It’s secure.
And it works — whether you’re dealing with 20, 200 or 2,000 videos.
Does the Dubly.AI free trial include the Lipsync feature?
Yes. We believe you need to experience the full technology to understand its value. The free trial includes Generative Lipsync and Voice Cloning, not just simple audio translation.
Is there a difference between a standard "Video translater" and Dubly.AI?
Yes. A standard "Video translater" often only translates text or audio. Dubly.AI is a comprehensive AI solution that adapts the visuals (mouth movements) to the audio, creating a seamless experience.
Can I use Dubly.AI for long-form content?
Yes. While many free tools limit you to 60 seconds, Dubly’s engine is built for scale – from TikTok Shorts to hour-long corporate training modules.
Can I use translate video free tools to internationalize my content?
Yes, absolutely. Using free tools is a great starting point to test new markets without a budget. However, keep in mind that methods like subtitles or basic video translator apps usually only transfer information, not emotion. To truly internationalize your brand's personality and retain viewers, you will eventually need lipsync technology to ensure the audience feels connected to you, not just the text.
Does a free ai video translator work for all types of videos?
It works well for content where the speaker is not visible, such as screen recordings or faceless tutorials. However, for any video featuring a person speaking on camera, a standard tool often falls short. Because it lacks lipsync, the visual mismatch distracts the viewer. For content meant to build trust or emotion, you need a solution that adapts both the voice and the visuals.
Is there a free version of Dubly.AI?
You can translate your first video for free so you can validate the quality with your own files. We believe in letting you prove the value first.
Does this work for any language?
Our AI supports over 30 languages, covering the majority of global markets (English, Spanish, German, French, Japanese, Mandarin, etc.). The Lip Sync works universally across these languages.
How accurate is the translation?
AI translation is very good (95%+), but for critical content, context matters. That is why we offer Native Speaker Control (NSC) as an add-on, where humans review the AI's work. This combines the speed of software with the precision of a native speaker.
Can I automate this process?
Yes. For agencies, media houses, or companies with high volume, we offer an API. This allows you to integrate video translation directly into your content management workflow, removing manual upload steps entirely.
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