AI Instant Sign Language Translator
The instant AI tool that turns text into British Sign Language (BSL) video using cutting-edge AI.
Deaf people in the UK use BSL as their primary language
Be a part of the change with our AI powered sign language translation.
This isn't just AI.
It's the start of a sign language stream:
fast and at your fingertips.
Bring instant BSL to live events, broadcasts & more.
The SignStream API brings your short phrases to life in real time, perfect for
conference stages, broadcast overlays, venue signage, or experimental tools and apps.
It’s lightweight, embeddable, and easy to integrate into your stack.
Instant British Sign Language:
Live, Embedded, Scalable
The SignStream API delivers real-time British Sign Language (BSL) videos from short English phrases, powered by our experimental AI signer, Rae. It’s lightweight, easy to integrate, and ready to make your live experiences more accessible.
Whether it’s a conference screen, a digital billboard, a live stream, or an internal system, SignStream brings spontaneous inclusivity to your platform.
Want to see it in action first? Try the free tool to watch Rae sign your message in real time.
What is SignStream?
SignStream is a fast, AI-powered BSL translation tool built for experimentation, accessibility, and innovation. It instantly turns English text into a sign language video.
There are two ways to use SignStream:
• SignStream API: Embed instant BSL into your platform, broadcast, or event
• SignStream Free Tool: Type a phrase and get a video from Rae instantly (Try it now)
Currently, SignStream supports BSL and is best suited for informal or experimental use. No human translation or grammar correction is applied, so it’s not suitable for legal or formal communications.
Features
Instant translations in BSL from English text. No delays.
Seamlessly integrate into your screen systems, video production tools, or digital signage.
Easy to build with; just send a phrase and get back a video file or stream-ready asset.
How does it work?
01
Plug in the API
Adds our lightweight SignStream API to your system or platform.
02
Send the text
Push your text content to the API endpoint
03
Get back a video
The API responds with a high-quality video file of Rae signing your message.
04
Play it
The signed video slots right into existing screens, signage displays, broadcast platforms, and more.
FAQs
No, and that’s important. The API is entirely AI-generated, with no human grammar checking or quality assurance. The output may include grammatical inaccuracies from a BSL perspective, so it is not suitable for formal, legal, or official use. It’s best for casual messaging or testing new accessibility concepts.
The API is designed to be developer-friendly and lightweight. You can integrate it with just a few lines of code. We provide clear documentation, example requests, and support if needed.
Yes! You can try the free SignStream tool to see how Rae signs your short phrase instantly. It uses the same AI backend as the API. Perfect for previewing output before building.Try the free tool → SignStream
Currently, the SignStream API supports British Sign Language (BSL).
