Talk. It types.
Hold fn, speak naturally, release. Your words appear instantly — cleaned up, formatted, and ready.
100% free · macOS 13+ · Universal (Intel & Apple Silicon) · MIT Licensed
How it works
Hold fn
One key starts recording from your microphone.
Speak
Whisper transcribes your voice in real time.
Release
AI-polished text appears right at your cursor.
Built for speed and privacy
Lightning Transcription
Powered by OpenAI Whisper. Fast, accurate speech recognition that handles accents and jargon.
AI-Polished Output
GPT removes filler words, fixes grammar, and formats your speech into clean, readable text.
Private by Design
Audio is never stored. Your API key stays on your machine. No accounts, no telemetry.
Fully Customizable
Open source Swift. Fork it, tweak prompts, change the hotkey, add features — it's yours.
Make it yours.
CustomWispr is free and open source. Copy a prompt into any coding agent to customize the app — or fork it and make it your own.