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AI Whisper (OpenAI Whisper) — Browser-Based Speech-to-Text, Free, Local & Unlimited

Experience AI Whisper — an advanced OpenAI Whisper model running entirely in your browser. Convert speech to text quickly and securely with no installation, no registration, and no time limits.

Everything happens locally on your device — audio is never uploaded to a server, keeping your data fully private. Whisper uses powerful AI speech recognition to transcribe MP3, WAV, M4A and other formats with exceptional accuracy.

Choose your preferred language and Whisper model (tiny, base, small, medium, or large), and get your transcript instantly. The tool is completely free and continues to work offline after the model has been downloaded once.

Use AI Whisper online for podcasts, interviews, meetings, voice notes, or research — all locally, privately, and without limits.



Drag & drop a file here or click to select
MP3 · WAV · M4A · OGG · FLAC · WEBM
Ready Upload audio and click “Transcribe”
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🚀 To transcribe much faster and with higher accuracy, run processing on our server — models there are deeper and faster.
Click: 👉 Go to paid mode

Result
⚙️ All computation happens right in your browser — files are not uploaded to a server. The model and required assets are cached locally, so subsequent runs are faster. The more powerful your computer (especially the GPU), the faster the transcription.
📘 Parameter reference
Model accuracy vs speed trade-off. tiny / base — fast, basic quality. distil-*.en — fast English-only. small / medium — better quality, slower. large-v3-turbo — best quality, needs GPU.
Language pick the audio language. "Auto detect" lets Whisper guess (~5–10% slower).
Chunk length seconds of audio per inference call. 30s is balanced, 60s faster on long files, 20s for more frequent progress updates.
Backend where computation runs. WebGPU uses your GPU (faster), WASM uses CPU. Auto picks optimally.
🗑️ Downloaded models …