Enterprise multilingual captions
Using leading AI, editing tools and workflow management for fast creation of accurate subtitles at scale
Global-ready from day one
Translate and localise subtitles into 300+ languages with built-in machine translation, TMS connectors and editing and workflow tools.
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Natural Captions® technology
Captions that read naturally—powered by our proprietary technology built to handle the complexities of real language.
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AI-powered subtitling at scale
Accelerate workflows with cutting-edge AI - fine-tune with precision terminology and training.
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Frame-perfect precision
Subtitle with frame accuracy with professional QC tools used by broadcast and enterprise giants – supporting all major file formats.
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Seamless team collaboration
Assign roles, manage workflows, and track progress — all in one secure platform.
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Output control, your way
Export in all major subtitle formats or publish directly to your online video platforms. Full control over timing, styling, and delivery—wherever your content needs to go.
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Feature checklist
Frame-accurate editing
In-editor style formatting
Auto-transcription
Timeline editing
Custom dictionaries
Subtitle rendering
VTT, SRT, STL, TTML, and more
Stretchable editor panels
Speaker-based caption splitting
Hard/soft limit controls
Support for TMS leaders
Custom terminology
Multiple AI translation engines
Profanity, brevity, & tone settings
See how leading brands manage end-to-end localisation with CaptionHub
TED
Spreading ideas at a massive scale
TED case study
Allianz
Allianz reach a global audience at blazing speed with CaptionHub
Allianz case study
Subway
Localising video content for global franchisees
Subway case study
Built for enterprise scale
Whether you're building your business, expanding internationally, or cutting costs—CaptionHub works for you.
Why CaptionHubUnparalleled scale
CaptionHub's infrastructure and application architecture powers the world's most demanding subtitling and workflow requirements, without missing a beat.
Quality and accuracy
We responsibly leverage AI to enhance caption accuracy, tailored specifically to your language domain, ensuring precision and relevance in communication.
Completely flexible
Customise CaptionHub to fit your business and give you the controls you need with policies, roles, and approval workflows.
Security by design
Your data security is our top priority. We have ISO 27001 certification and Cyber Essentials Plus, and we're GDPR compliant. So you can rest assured that your content and data is safe.
Intelligent, connected multimedia localisation.
CaptionHub is an AI-powered collaborative platform for multilingual subtitling and voiceover.