Poročilo o napaki / Zahteva o lastnostih

Speech to Text for Deaf & Hearing Impaired

Make audio and video accessible with AI-powered captions and transcripts. ADA & WCAG compliant. Real-time captions, SRT/VTT export, 100+ languages.

Generate Captions Free →

1. Upload or Record Audio

Upload a video or audio file, or use live captioning with your microphone.

2. AI Generates Captions

Our AI transcribes speech with timestamps, speaker labels, and high accuracy.

3. Export Accessible Captions

Download captions as SRT or VTT for videos, or share transcript links.

Accessibility Features

Real-Time Captions

Live captioning from your microphone. See words appear in real time during meetings, lectures, or conversations.

ADA & WCAG Compliant

Generate captions that meet ADA, Section 508, and WCAG 2.1 accessibility standards for your videos and media.

SRT & VTT Export

Export captions in SRT or VTT format. Add subtitles to YouTube, Vimeo, or any video player instantly.

100+ Languages

Transcribe and caption audio in over 100 languages. Translate captions to reach global audiences.

Why Accessible Captions Matter

Over 430 million people worldwide have disabling hearing loss. Captions don't just help the deaf and hard of hearing — they improve comprehension for everyone, including non-native speakers and people in noisy environments.

430M+
People with hearing loss
80%
Watch with captions on
98%+
Transcription accuracy
100+
Supported languages

Accessibility Tools

Live Captions SRT Generator VTT Generator Upload & Transcribe Vsi jeziki →

Make your content accessible today

Začnite brezplačno →

Pogosta vprašanja

Upload your audio or video file to STT.ai, paste a URL, or record live. Select your preferred AI model and click Transcribe. Most files complete in under 5 minutes. Export as TXT, SRT, VTT, DOCX, JSON, or PDF.

Yes — STT.ai gives every visitor 600 free minutes/month with no signup required for your first file. Paid plans starting at $5/month unlock longer files, private transcripts, and priority queueing.

Accuracy depends on the model and audio quality. Our best models reach a 3-5% Word Error Rate on benchmarks — 95-97% accuracy on clean speech. The compare-stt tool lets you run multiple models on the same file and pick the best one.

STT.ai offers 10+ models — STT.ai Enhanced (our most accurate), Whisper Large V3 (99 languages), NVIDIA Canary (#1 WER on supported langs), Whisper Turbo (fast), Moonshine (lightweight), and more. Each model page has details.

Yes. Export your transcript as SRT or VTT subtitle files — they work with YouTube, Vimeo, TikTok, VLC, and every major video player. The burn-subtitles tool overlays them onto video as hardsubs.

Yes. Speaker diarization automatically labels each voice (Speaker 1, Speaker 2, ...) and you can rename them in the editor. Works across all models and languages.

Most files are transcribed in under 5 minutes. A 1-hour audio file typically finishes in 2-3 minutes with our fastest models. Speed depends on model choice and current load.

STT.ai supports 20+ input formats — MP3, WAV, M4A, FLAC, OGG, MP4, MKV, MOV, WebM, AVI and others. Output to TXT, SRT, VTT, DOCX, JSON, and PDF.

Yes. Audio files are processed and deleted by default. Pro plans add client-side encryption — even if our database is breached, your transcripts are unreadable without your key. Data is never used for model training without explicit opt-in.

Yes. STT.ai offers a REST API with Python and Node.js SDKs, plus an MCP server for Claude and Cursor. Free API tier includes 100 minutes/month.

Yes. Every transcript opens in our built-in editor where you can correct words, rename speakers, adjust timestamps, and add notes. All changes save automatically.

Every transcript gets a unique shareable URL. Export to DOCX or PDF for email. Pro plans add password-protected and permanent links — useful for client work.

STT.ai supports 1,300+ platforms including YouTube, Vimeo, TikTok, SoundCloud, and more. URL transcription works with publicly-available content only — DRM-protected sources cannot be transcribed.