English Transcription

Convert English (English) audio to text with state-of-the-art AI speech recognition. Fast, accurate, and supporting multiple audio and video formats.

How it works →
Client-side encryption on — your transcript will be encrypted in your browser before being stored. The server processes your audio for transcription, then the result is encrypted locally with your key before saving. (All data is always encrypted via HTTPS in transit.)
Speed varies by platform. Some transcripts are ready in seconds, others may take a few minutes depending on video length.
Drop file here or click to browse
MP3, WAV, M4A, FLAC, MP4, MKV, MOV, WebM — up to 2GB
Recording: 0:00
Real-time Vosk (instant)
Enhanced Whisper (accurate)
Public links: 24h, text only · Sign up for 7d + audio · Pro for private links

Real-time speech to text. AI auto-corrects as you speak — accuracy improves with longer speech.

Test your microphone first
❤️ Love STT.ai? Tell your friends!
You've used your free transcriptions

Sign up for free to get 600 minutes/month, or upgrade for unlimited transcriptions.

Sign up free Log in
10 free min/day 600 min free with signup No credit card Encrypted
Sign up free →

About English Transcription

English is the most widely spoken language globally and the dominant language for business, technology, and international communication. STT.ai provides industry-leading English speech recognition across all major accents including American, British, Australian, and Indian English.

STT.ai provides state-of-the-art English speech recognition powered by multiple AI models. Whether you need to transcribe interviews, lectures, podcasts, or meetings in English, our platform automatically detects the language and selects the optimal model for the best accuracy.

How Accurate is English Transcription?

Accuracy for English transcription depends on audio quality, speaker clarity, background noise, and the model you choose. On clean audio with a single speaker, our best models achieve a Word Error Rate (WER) under 6% for English -- approaching human-level accuracy.

For the best results with English audio, we recommend:

  • Clear audio -- minimize background noise and use a good microphone
  • Single speaker segments -- enable speaker diarization for multi-speaker recordings
  • Choose the right model -- NVIDIA Canary offers the lowest WER for supported languages, while Whisper Large V3 provides the broadest language coverage
  • Specify the language -- while auto-detect works well, manually selecting English can improve accuracy slightly

Export Formats for English Transcripts

After transcribing your English audio, download the result in any of these formats:

TXT
Plain text transcript
SRT
Subtitles with timestamps
VTT
Web video captions
DOCX
Word document
JSON
Structured data with timestamps
PDF
Print-ready document

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.