AI generator for

sign language SDH captions audio description subtitles

Upload your video or audio and get AI-powered subtitles, SDH captions, audio descriptions, and sign language in minutes.


    Signe works in English, French, Spanish, Catalan, Euskera, and Galego.

    Sign Language Translation

    Make your videos speak everyone's language, visually

    Automatic sign language generator

    Add a sign language interpreter to your videos with just a few clicks — no manual editing required.

    Supports a growing list of languages

    Signe currently supports sign language generation for English (ASL), French (LSF), Spanish (LSE), Catalan (LSC), Basque (LSEe), and Galician (LGP) — with more coming soon.

    Choose your signer style

    Pick from male and female signer avatars with varying tones — formal, expressive, or neutral — to match your audience and message.

    Built for full accessibility

    Sign language overlays help your content reach full AAA compliance with WCAG guidelines — the gold standard in digital accessibility.

    SDH Captions

    Make sound visible — for everyone

    Designed for Deaf and Hard of Hearing viewers

    Add captions that don’t just transcribe speech, but describe sounds, music, and tone — so no one misses context.

    Supports multiple spoken languages

    Generate SDH captions for English, Spanish, Catalan, French, Basque, Galician, and more — and translate them into additional languages automatically.

    Customize your caption style

    Choose between tone indicators, speaker labels, and formatting options to adapt to your content and audience.

    Compliant and inclusive by design

    Meet WCAG 2.1 AA/AAA standards and local broadcast accessibility requirements effortlessly.

    Audio Descriptions

    Help your visuals speak for themselves

    Narrates what can’t be heard

    Signe automatically generates audio descriptions for key visual elements, actions, and on-screen text — giving blind and low-vision users full context.

    Supports multiple languages

    Create audio descriptions in English, Spanish, Catalan, French, Basque, and Galician — with automatic translation available for global audiences.

    Natural-sounding AI voices

    Choose from a variety of high-quality, expressive AI voices — male or female — to match your content’s tone and language.

    Compliant with accessibility laws

    Meets WCAG 2.1 and national video accessibility standards, helping you stay inclusive and regulation-ready.

    Subtitles

    Make your message understood, everywhere

    Accurate speech-to-text transcription

    Signe automatically transcribes speech into clean, perfectly timed subtitles — no manual syncing needed.

    Supports multiple languages

    Generate subtitles from audio or video in almost any language — and translate them instantly to reach a global audience.

    Supported languages

    Customize look and feel

    Adjust characters, lines, font, position, and styling to match your brand or platform guidelines — ready for social, web, or broadcast.

    Boosts accessibility and engagement

    Improve comprehension, retention, and watch time — while meeting WCAG AA standards and platform captioning requirements.

    Plugin integration

    Easy integration with all the apps you use

    Enhance your experience with our range of add-ons, designed to further optimize your process.

    High-quality visuals

    Upscale pictures without losing quality up to 16x

    Witness the magic of preserving image quality while dramatically reducing file sizes and experience high-quality visuals.

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    12,000+ Happy Clients

    Explore genuine feedback from clients

    The best way to showcase our commitment is through the experiences and stories of those who have partnered with us.

    This plugin transformed my website. Images look stunning, and my site loads like lightning. My users are happier, and so am I!

    Frederic Hill

    Founder & CEO

    Simple, effective, and incredibly powerful. My site’s speed doubled, and my bounce rate dropped. Thank you for this amazing tool!

    Julie Kyle

    Account Executive

    Optimizing images never felt this easy. My website’s performance skyrocketed, and my Google rankings followed suit. I couldn’t be happier!

    Brendan Buck

    Data Engineer

    I thought my site was fast until I optimized my images with this plugin. The difference is astounding. It’s a game-changer for any website owner!

    James Ellis

    Content Designer

    I’m in awe of how this plugin transformed my site’s load times. It’s intuitive, efficient, and delivers beyond expectations. Kudos to the developers!

    Paige Lowery

    Marketing Manager

    Not only is the plugin fantastic, but the support team is also incredibly helpful. Any question I had was answered promptly and professionally.

    Stefan Ball

    Head of Brand

    Frequently Asked Questions

    We're here to answer all your questions

    Quick answers to questions you may have. Can't find what you're looking for? Check out our full documentation.

    Signe is an AI-powered accessibility tool that generates subtitles, SDH captions, audio descriptions, and sign language overlays for video and audio content — helping you make your media fully inclusive.

    You can upload most common audio and video formats, including MP4, MOV, MP3, WAV, and more. Signe works with recorded content from webinars, interviews, educational videos, podcasts, and more.

    Signe currently supports an extensive list of languages for subtitles SDH captions, and audio description, including English, Spanish, Catalan, French, Basque, and Galician. Sign language generation is available in ASL, LSF, LSE, LSC, LSEe, and LGP — with more languages coming soon.

    Yes. You can choose your signer (male/female, expressive/formal), subtitle styling (characters per line, number of lines, font, position), and audio description voice to best match your brand and audience.

    Yes. All outputs are designed to help you meet WCAG 2.1 AA and AAA compliance, as well as broadcast and platform-specific accessibility regulations.

    Not at all. Signe is designed for simplicity: upload your file, choose what you want to generate, review, and download. No editing or coding required.

    Yes. You can try Signe for free to test the features and see how it fits your workflow.

    Yes! If you'd like to integrate Signe's features with your platform or CMS. Contact us for more information.

    You can check our pricing page for detailed pricing information.

    We also offer special deals for organisations and API access. Please, contact us for more information

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