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 All languages →

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Frequently Asked Questions

Upload your audio or video file to STT.ai. Select your preferred AI model and options, then click Transcribe. Your transcript will be ready in minutes. Export as TXT, SRT, VTT, DOCX, JSON, or PDF.

Yes! STT.ai offers 600 free minutes per month for all users. No signup required for your first transcription. Paid plans with more minutes and features start at $5/month.

Accuracy depends on the AI model you choose and audio quality. Our best models achieve a 5-7% Word Error Rate on benchmarks, meaning 93-95%+ accuracy. Clear audio with minimal background noise produces the best results.

STT.ai offers 10+ models including Whisper Large V3, NVIDIA Canary, and more. You can compare results from different models on the same file.

Yes. After transcribing, export your transcript as SRT or VTT subtitle files. These work with YouTube, Vimeo, and all major video platforms.

Yes. STT.ai automatically identifies and labels different speakers using AI speaker diarization. Works across all models and languages.

Most files are transcribed in under 5 minutes. A 1-hour audio file typically takes 2-3 minutes with our fastest models.

STT.ai supports 20+ audio and video formats including MP3, WAV, M4A, FLAC, OGG, MP4, MKV, MOV, WebM, and AVI. Export as TXT, SRT, VTT, DOCX, JSON, or PDF.

Yes. Audio files are processed and deleted after transcription. Your data is never used for training. Client-side encryption is free on all plans — it encrypts stored transcripts with a key only you have. During processing, the server handles your audio in plaintext. Learn about our security.

Yes. STT.ai offers a REST API with Python and Node.js SDKs. Free tier includes 100 minutes/month.

Yes. STT.ai includes a built-in transcript editor where you can correct errors, rename speakers, and adjust timestamps.

Every transcript gets a unique shareable link. Export to DOCX or PDF for email. Pro plans offer password-protected and permanent links.