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

1,000,000s of minutes of multimedia content each year

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 multilingual subtitles, Multilingual voice published, Subtitle publishing, Burnt in subtitles, Real-time subtitles, Editing and workflow, Perfect subtitles, for everyone podcasts e-learning video back catalogues Brightcove, Vimeo and Kaltura videos YouTube social media live streaming events linguists and language vendors everyone

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.

Create & edit captions in real time with AI

Create and edit captions in real time. Intuitive editing, advanced features for any team member, from producer to linguist – with AI powered translation and speech recognition.

Voiceover

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

CaptionHub Connect for secure vendor collaboration

Secure, seamless and rapid sharing of subtitles between your team and your language vendors. Combine with the API and Automation for advanced and super-charged workflows.

Live video subtitling

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

And much more...

Analytics

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.

"CaptionHub provides our volunteers with a platform to create high-quality subtitles quickly. Now, our global audiences can access big ideas faster than ever before."

Jenny Zurawell

Director of Localisation

38,946

TED translators using CaptionHub

186,431

Translations to date

Built for enterprise scale

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

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.

+1M

Minutes of captions and subtitles procured annually

68

Languages and hundreds of voices supported by Voiceover

+40,000

Number of linguists supported by a single client workflow

316

316 languages supported across transcription and translation