NativeSpeaker.ai
Speech enhancement for creators, founders, professionals, and students.
Sound like a native speaker, without losing your voice.
Upload a recording in English. NativeSpeaker.ai improves the fluency and regenerates the speech in your own voice, then returns a download-ready audio or video file.
Video in, video out
Keep the original visual track untouched and swap in regenerated audio.
Voice-preserving pipeline
Worker architecture is designed for voice-cloning backends and segment-level control.
Async job dashboard
Track every stage from upload to muxing, then download the final asset.
Before / After Placeholder
Hear the difference without losing the person.
Original
Hesitant phrasing, rough grammar, uneven pacing
Enhanced
Fluent rewrite, cleaner cadence, polished delivery
Built for a simple founder-friendly stack
Next.js on Vercel, FastAPI on Railway, PostgreSQL queue semantics, R2 storage, and a local Windows GPU worker for the media pipeline.
How it works
Upload or import
Send a local media file or queue a public URL.
Process asynchronously
The worker transcribes, rewrites, generates, aligns, and uploads the result.
Track and download
Monitor the job lifecycle in the dashboard and download when complete.
Pricing Placeholder
Start with the free tier.
Free plan suggests up to 3 jobs per day, 1 active job, and up to 5 minutes per media file.
Future Pro plan
Higher upload limits, longer duration caps, more concurrency, and longer retention windows.
FAQ
What does the MVP improve?
Grammar, fluency, phrasing, and the pronunciation impression of spoken English, while aiming to preserve the speaker’s identity.
Does the MVP translate?
No. The first version assumes English input and returns improved English output.
How do uploads work?
The browser uploads media directly to object storage, then the backend creates an async processing job.