Connect. Communicate. Captivate.

AI-powered collaborative multimedia localization with CaptionHub: communicate with larger audiences at speed and scale.


Perfect multimedia localisation for brands and language agencies

CaptionHub helps you communicate more quickly and with greater clarity and accuracy to all your audiences, even when they’re multitasking or on the move.

Perfect subtitles,
Translated voiceover,
On screen text captioning,
Automated multilingal subtitles,
Mutlilingual voice published,
Subtitle publishing,
Burnt in subtitles,
Real-time subtitles,
Editing and workflow,
Perfect subtitles,

video back catalogues
Brightcove, Vimeo and Kaltura videos
social media
live streaming events
linguists and language vendors

CaptionHub helps you communicate with greater clarity to all your audiences, even when they're multitasking or on the move.

All the tools in one platform

CaptionHub brings together the features, integrations and people required for a seamless and powerful subtitling experience.

Localise all your media, at speed

CaptionHub just works faster. Through our AI powered engines, our workflow automation and our simple UI, you’ll be slashing turnaround times.

Enterprise-grade security

Our state-of-the-art encryption and security has been designed to ensure that your data is only accessible by those you give permission to.

All the tools you need in one platform

CaptionHub brings together the features, integrations and people required for end-to-end subtitling, voiceover and on-screen text localisation.

No-code automation

Leverage CaptionHub's no-code subtitling-at-scale feature for instant transcription and translation of video content into multiple languages. Empower non-developers to create powerful, API-driven subtitling workflows effortlessly, automating the process from ingest to delivery for all videos.

Start automating

Create and edit captions in real time—with pinpoint accuracy

Create and edit captions in real time. Our simple and intuitive editor requires no special skills or software, and offers advanced features usable by any team member, from producer to linguist.

Start editing


Natural text-to-speech in CaptionHub uses realistic AI voices to generate high-quality spoken audio in any voice, style, and language.

Create workflows

AI-powered speech-recognition and translation

Using Natural Captions technology and multiple AI engines, CaptionHub transcribes and translates videos into hundreds of languages in seconds.

Start captioning

Live video subtitling

Live video event subtitling in 130 languages, with zero-latency and highly customisable AI for your company's terminology.

More about live

And much more...

Burnt-in subtitles
Workflow management
Integrations and APIs

Learn how our clients have slashed turnaround times, saved money and improved their brand communication

Join other global enterprise brands using CaptionHub to localise their video and audio, faster, more accurately and more securely than previously possible.

See all customer stories

Built for enterprise scale

Whether you’re building your business, expanding internationally, or cutting costs—CaptionHub works for you.

Why CaptionHub

Unparalleled 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.

Take a look at our Resources page for webinars, tutorials and more

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