Is there an AI for translating sign language?

ASL to English: reading signs with a camera

Reading signs is the newer half, and it works today for ASL into English. Since August 2026 one phone line lets you sign at the front camera wherever you would type, and in a face-to-face chat the hearing person reads your signing as text while their speech comes back to you as live captions. It costs nothing extra, the video is thrown away on the phone (only the positions of your hands, face and body go to the server), and you can fix the text before anyone sees it. Off that phone, one web service in the list captions live signing in any browser, 15 minutes free and then by the month.

The phone model's own test report is unusually frank. It got fingerspelled phrases exactly right 64% of the time, sometimes misses the eyebrow raises and head shakes that turn a sentence into a question or a negative, and degrades in dim light, with backlight, or with a second person in frame. It also assumes you read English well enough to catch its mistakes.

Translating an ASL video into English

For a recorded clip, like a vlog, a video message or a class assignment, you need a service that captions signed video rather than a live keyboard. One tool in the list takes the upload, writes English captions lined up with the signing and exports them as an SRT file, with 15 free minutes before the $19.99 monthly plan. It is built for ASL, with other sign languages promised later.

That service publishes no accuracy figures, and the phone model, which does, still slips on classifiers and fast fingerspelling, so have a fluent signer check anything you will publish. If the video is spoken rather than signed, captioning is a solved job. If you want the opposite, a signer for your English text, read on.

English to ASL: avatars and signing video

Going from English into sign is the older half and the easiest to try. Type or speak a sentence and a free app has a 3D avatar sign it in ASL, BSL or Brazilian Libras, with ads unless you pay $4.99 a month. Business tools render a photo-realistic signer from text in BSL or ASL, give you 60 free seconds a week, and sell live signing for events by the minute. A free open-source beta also does German and French Sign Language, as a plain animated figure.

Keep it to short, scripted content. In a 2018 statement, the World Federation of the Deaf and the world association of sign language interpreters accepted avatars for static information, like where to queue at a station or check in at a hotel, and warned against them for news, emergencies and anything live or complex. Fluent signers carry grammar in the face, head and torso, and in the federation's view no avatar matches a trained human signer yet.

English to ASL gloss: a draft, not a translation

ASL gloss writes signs down as English words in capitals, in ASL order: YESTERDAY IX-1 GO STORE for "Yesterday I went to the store." Turning an English sentence into gloss is a text job, so converters for it exist, some of them a general chatbot model prompted with examples. That is handy for homework or for planning what to sign, but the people behind one such converter warn its gloss is not always correct, so check the word order and the fingerspelling.

Two more limits. Gloss has no single standard: the same "I" is written PRO.1, PRO-1 or IX-1 depending on the book, so match your teacher's convention. And gloss is not ASL written down. It cannot show where signs sit in space, how big or fast they move, or what the face does at the same time, which is much of the grammar. A converter gives you the order of the signs, not the sentence as a signer would sign it.

Can an AI sign language interpreter replace a human one?

No, and the makers of the phone feature in the list say so in writing. Its impact report, co-written with people from the National Association of the Deaf and the World Federation of the Deaf, rules it out for medical visits, mental health counseling, police interviews, court, classrooms, job interviews and benefits hearings, and says it does not meet ADA obligations for reasonable accommodations. It cannot ask for clarification, and it does not turn speech into signs at all.

Under the ADA, state and local governments and businesses that serve the public, hospitals included, have to communicate effectively with deaf people. When that takes an interpreter, it has to be a qualified one, able to interpret effectively, accurately and impartially, and they cannot make you bring a friend or relative to do it. In 2025 the European forum of sign language interpreters went further and asked for a legal right to a human interpreter in healthcare, education and legal matters.

translating sign language: quick answers

Is there a free AI sign language translator?

Yes, from English into sign: the avatar app in the list is free with ads, the photo-realistic signer gives you 60 seconds a week, and the open-source beta costs nothing. Reading signs for free is narrower. It is built into one phone line at no extra cost, and the web captioning service gives you 15 minutes before it charges.

Is there an app that translates ASL?

Yes, but each one goes one way. Avatar apps turn your text or voice into ASL; turning ASL into English is built into one phone line's keyboard and offered in the browser by a captioning service. None of the tools in the list does both, so a mixed conversation still means signing on one side and reading text on the other. Two-way kiosks for shop counters, airports and hotel desks are in pilot programs, not app stores.

Can Google Translate do sign language?

No. Google Translate lists no sign language, in the app or in its developer API. Sign-to-text from the same company ships only as a phone keyboard feature for ASL, the first tool in the list above.

Can a phone turn sign language into text?

One phone line can, since August 2026: it reads ASL through the front camera and types English wherever the keyboard goes, at no extra cost. Its maker promises more devices and more sign languages, with no dates. On any other phone, the captioning service in the list does it in the browser, 15 minutes free.