Free audio tools. In your browser.
Test your mic, trim a clip, remove background noise, detect BPM — all free, no downloads, no signups. Everything runs in your browser so your audio stays private.
Built by the team behind Echo. Your audio never leaves your device.
Capture audio directly in your browser
Test and analyze audio signals
LiveOnline Pitch Detector
See your voice pitch in real-time. Frequency, musical note, and octave — all in your browser.
LiveOnline Microphone Test
Test your microphone instantly in the browser. See real-time volume levels, frequency visualization, and audio quality — no download needed.
LiveOnline BPM Detector
Find the tempo of any song instantly. Upload an audio file for automatic BPM detection or tap along to the beat manually.
Enhance, clean, and transform audio
LiveOnline Voice Changer
Record your mic or upload an audio file, pick a voice preset, and download instantly. 100% free, 100% in your browser.
Online Audio Enhancer
Improve the quality of voice recordings with noise reduction, normalization, and equalization.
LiveOnline Noise Remover
Remove background noise from any audio file. Upload, process, and download — all in your browser with zero uploads to any server.
Online Audio Equalizer
Apply professional EQ to any audio file. 10-band graphic equalizer with real-time preview and WAV export — no download needed.
LiveAI Vocal Remover
Remove vocals from any song using AI — directly in your browser. Create instrumentals, karaoke tracks, and acapellas. No upload, no signup, 100% private.
LiveAI Stem Splitter
Split any song into 4 separate stems — vocals, drums, bass, and instruments. AI-powered, runs in your browser, 100% private.
Convert, trim, and export audio files
LiveOnline Audio Converter
Convert audio files between formats instantly in your browser. WAV ↔ MP3 ↔ OGG ↔ FLAC.
Online Text to Speech
Convert text to natural-sounding speech with AI voices. Adjustable speed, pitch, and language.
LiveOnline Audio Trimmer
Trim audio files directly in your browser. Set start and end points visually, preview your cut, and download the trimmed result.
LiveRVC Model Converter
Convert .pth voice models to .onnx format right in your browser. No upload, no Python, 100% private.
Your audio stays on your device
Every tool on this page processes audio using the Web Audio API — a browser-native technology that runs entirely on your device. No audio files are ever uploaded, transmitted, or stored on any server.
This is not just a marketing claim. Open your browser developer tools (Network tab) while using any tool and verify for yourself — zero audio data leaves your browser. This is our privacy commitment.