Words Into Action.
Instantly.
99.2% accurate transcription and lifelike voice synthesis — built for products that need to move as fast as humans speak.
Live Transcription
Speech → Text
Two engines.
One API.
Speech-to-text and text-to-speech in a single SDK. Ship voice features in an afternoon, not a quarter.
Sub-200ms Latency
Streaming transcription begins before you finish speaking. Real-time confidence scores update word by word.
50+ Languages
English, Spanish, Mandarin, Hindi, French, German, Arabic and 44 more — with automatic language detection.
Noise Cancellation
Proprietary acoustic model trained on 500,000+ hours of real-world audio. Meetings, calls, outdoor — all handled.
Speaker Diarization
Automatically identify and label up to 20 speakers. Perfect for meeting transcripts and interview workflows.
// Speech-to-Text in 3 lines
import { VoxPro } from '@voxpro/sdk'
const client = new VoxPro(process.env.VOXPRO_KEY)
const { text } = await client.transcribe(audioFile)Built for every voice workflow.
From solo creators to enterprise call centers — VoxPro adapts to your stack and scale.
A 47-minute podcast transcribed in 38 seconds.
Edit, publish, and repurpose with a full-text transcript the moment your recording ends.
Upload or stream audio
MP3, WAV, M4A — any format, any length
Auto-transcription fires
Streaming results arrive as audio plays
Edit in browser
Click any word to jump to that timestamp
Export everywhere
SRT, VTT, DOCX, JSON — all included
Teams that ship faster with VoxPro.
Real results from teams that replaced duct-tape transcription pipelines with one clean API.
“We cut our transcription pipeline from 4 vendors down to 1. VoxPro handles 40,000 calls a day with zero downtime.”
“Our users save an average of 3 hours per episode on editing. The accuracy on technical vocabulary is unreal.”
“I had a working prototype in 90 minutes. The WebSocket streaming API is exactly what I needed — no polling nonsense.”
“Agent handle time dropped 73% after we deployed VoxPro for real-time transcription and auto-summaries.”
Predictable pricing.
No surprises.
Every plan includes a 14-day free trial. No credit card required to start.
Perfect for indie developers and side projects.
Start Free Trial- 10 hours transcription/mo
- 500K TTS characters/mo
- 10 languages
- 2 neural voices
- REST API access
- Community support
For teams shipping production voice features.
Start Pro Trial- 100 hours transcription/mo
- 5M TTS characters/mo
- 50+ languages
- 120 neural voices
- WebSocket streaming
- Speaker diarization
- Priority support (4hr SLA)
- Custom vocabulary
Unlimited scale, dedicated infrastructure, SLAs.
Talk to Sales- Unlimited transcription
- Unlimited TTS
- Voice cloning
- On-premise deployment
- SOC 2 + HIPAA
- Dedicated success manager
- 99.99% uptime SLA
- Custom integrations
Ready to ship
voice features?
Join 12,000+ developers already building with VoxPro. First 10 hours of transcription are always free.