Let’s make internet truly universal
Bring sign language to every video
Translate video and audio into expressive American Sign Language. Captions are text. ASL is a language — with grammar, timing, and face.
Free to useReal-timeChrome extensionYouTube · Twitch · Netflix
Speaker video
“Welcome back to the course…”
ASL
Live 42ms
Waitlist
12,480
Avg latency
0.9s
Sites detected
140+
Language now
ASL
How it works
Client overlay · model pipeline · no extra app for the viewer
1
Install the extension
Lightweight Chrome client. Permissions: activeTab + video.
~2.1 MB unpacked
2
Play any video
We detect media elements, grab audio, stream to the translator.
YouTube, Twitch, news, LMS
3
See live ASL
Avatar overlay timed as language — not English fingerspelling.
PiP, size, and position are user-controlled
Pipeline
Audio captureMediaStream → 16 kHz PCM
Speech understandingASR + prosody
ASL mappingGrammar-aware gloss → motion
RenderAvatar overlay on the video surface
Live overlay
Lecture — Introduction to the web · Signer ON
Live
Instructor video
Avatar
Gloss: WELCOME BACKLive
Confidence0.94
Dropped frames0.2%
Platforms
Universal media detection — not a YouTube-only hack
YouTube
HTML5 player · tested
SupportedTwitch
Live + VOD
SupportedNetflix
DRM audio tap
BetaFacebook / Reels
In-feed video
SupportedCoursera / LMS
Lecture players
In QAAny <video>
Generic fallback
SupportedJoin the waitlist
12,480 people · rolling invites as the extension ships
Recent signups
Educator · Gallaudet
2 min ago
Accessibility lead · streaming co.
11 min ago
Hard-of-Hearing viewer
18 min ago
University LMS team
1h ago
Platform vision
The extension is the wedge. Built with the Deaf community, not around it.
2026
AR glasses
ASL in the field of view for live conversation.
2026
Mobile translation
Point a phone at a speaker.
2026
More languages
ASL, BSL, LSF, and a broader set.
Advisory board: Deaf educators and advocates guide gloss quality, avatar motion, and what “done” means — not hearing-world guesses.