Audio Speech to Text
Convert spoken words into text efficiently.
Speech to Text & Media Transcriber
Convert live speech, audio, and video files into accurate transcripts and timestamped JSON captions with 100% on-device processing.
Microphone audio is processed entirely client-side.
Ready to Transcribe
Click 'Start Live Recording' or upload an audio/video file. Your transcribed text and timestamped JSON captions will appear here in real time.
Whisper AI (WebGPU)
Executes transformer neural networks directly in your browser using hardware-accelerated WebGPU for robust multi-language transcription without cloud costs.
Video & Audio Processing (FFmpeg)
Supports video uploads (MP4, WebM, MOV, MKV). Audio tracks are extracted and resampled client-side using FFmpeg WebAssembly before AI inference.
100% Privacy & Zero Uploads
Your voice, video, and audio files never leave your device. All machine learning inference and video demuxing happen locally in your browser sandbox.