Click a string to hear its reference tone
Click "Start Tuner" to begin.
Listen to sounds through your microphone and visualize their frequency and volume in three different styles: bars, waveform, and a circular view.
Convert text to speech with voice selection and speed controls, or transcribe speech to text in real-time. Uses built-in browser APIs — zero dependencies, total privacy.
Upload a video or audio file and generate accurate subtitles using OpenAI's Whisper model running entirely in your browser. No uploads, no API keys — export as SRT or VTT.
Clean up noisy audio recordings directly in your browser using Web Audio API filtering. Apply high-pass and low-pass filters, a dynamics compressor, and a noise gate to remove hum, hiss, and background noise from voice recordings, podcasts, and more.
