Free Vietnamese audio transcription in your browser
Whisper Nano understands Vietnamese (Tiếng Việt) and runs 100% on your device — your audio never leaves your browser.
Runs Whisper Nano (open-source) in your browser — no upload, 100% private. Limit: 30 min per file and basic accuracy (~85%). For professional use, try Premium.
This page runs Whisper Nano (open-source) in your browser — total privacy, no upload. Limitations: 30 min per file, ~85% accuracy, no speaker diarization. For professional transcription, try Premium.
Free vs Premium — see the difference
| Free (browser) | Premium (cloud) | |
|---|---|---|
| File limit | 30 min | 10 horas |
| Accuracy | ~85% | >95% |
| Speaker diarization | ❌ | ✅ |
| Word-level timestamps | ❌ | ✅ |
| Video support (MP4/MOV) | ❌ | ✅ |
| Export formats | TXT, SRT, VTT | DOCX, PDF, JSON… |
| Speed (1h of audio) | ~20 min / 1h | ~2 min / 1h |
| Privacy | 100% local | ☁️ + 🔒 |
Complete privacy
Audio never leaves your device. Zero upload to servers.
Fast and local
AI processing runs directly in your browser — no waiting in queues.
99 languages
Automatically detects the language of your audio.
No signup needed
Start transcribing instantly, no account required.
How it works
Upload or record audio
Drag an MP3, WAV, M4A, or OGG file, or use your microphone directly.
AI runs on your device
Whisper AI downloads once and stays cached. No wait on your next visit.
Copy or download the text
Results appear in seconds. Download as .txt or copy with one click.
Need more? Try Premium
For professional use — speaker diarization, long files, AI analysis and full export formats.
Speaker diarization
Automatically identifies who is speaking in each segment. Perfect for meetings, interviews and podcasts.
Files up to 10 hours
The local model supports up to 30 min. Premium handles files up to 10 hours long.
Summary, sentiment & topics
AI analyzes the content and generates executive summaries, sentiment analysis and topic extraction.
Full export options
Export to SRT, VTT, DOCX, JSON and PDF — ideal for subtitles, documents and automation.