# Whispy > Free local audio transcription that runs entirely in your browser. No upload, no account, no data sent. Your audio never leaves your device. ## What is Whispy Whispy is a free browser-based audio transcription tool powered by OpenAI's Whisper model running locally via WebAssembly. Drop any audio file and get a transcript in seconds. No server, no account, no upload required. Works offline after the first model load. ## Who it's for Journalists protecting sources, lawyers handling privileged conversations, researchers transcribing interviews, doctors taking notes, podcasters, students, and anyone who doesn't want their audio uploaded to a cloud service. ## Key features - Completely local, nothing leaves your device - Works offline after first load - Supports MP3, WAV, M4A, FLAC, MP4 - Exports TXT and SRT for captions - Free forever, no account needed - No per-minute billing ## Models Uses OpenAI's Whisper model via Transformers.js. Available in Tiny, Base, and Small variants. ## Links - Homepage: https://usewhispy.com - Blog: https://usewhispy.com/blog