Learn sign language,
beautifully.
Interactive 3D hand demonstrations, real-time webcam practice, text-to-sign translation and a live conversation bridge — full ASL today, with BSL and ISL in the works.
now showing
“Hello”
Everything you need, in one place
Six tools that take you from your first letter to a real conversation.
Learn
Structured courses from the alphabet to full conversations.
Practice
Sign to your webcam and get real-time accuracy scoring.
Translate
Type any text and watch it signed in 3D.
Talk
Two-way bridge — speech to text to sign, and back.
Dictionary
Look up any sign and see it demonstrated.
Progress
Earn XP, unlock streaks, track what you’ve mastered.
Supported sign languages
Start with one, explore many.
American Sign Language
ASL
Used by over 500,000 people in the US and Canada. One-handed fingerspelling alphabet.
British Sign Language
BSL
Used by over 150,000 people in the UK. Two-handed fingerspelling alphabet.
We're building accurate sign data with real signers — want to help?
Indian Sign Language
ISL
Used by millions across India. One-handed fingerspelling with unique handshapes.
We're building accurate sign data with real signers — want to help?
Built for the community
SignBridge is free, open-source, and made with care. Everyone deserves access to communication tools — regardless of ability or budget. Sign language is a bridge between worlds, and that bridge should be free to cross.
Start learning today