Audio tools
Record, convert, denoise, and transform audio — processed locally in your browser.
Audio Converter
Convert audio files to WAV or MP3 entirely in your browser.
runs locallyAudio Cutter
Trim an audio file to a start and end time.
runs locallyAudio Noise Reducer
Reduce background hiss and noise from recordings with a noise gate.
runs locallyVoice Recorder
Record audio from your microphone and download it as a WAV file.
runs locallyAudio Speed Changer
Speed up or slow down audio without changing its pitch.
runs locallyAudio Tools
A collection of free audio tools: record, convert, remove noise, change voice and speed, boost volume, and cut — all in your browser.
runs locallyAudio Transcriber
Turn voice recordings, interviews, and voicemails into text with a local Whisper model — no audio ever leaves your device.
runs locallyM4A to MP3 Converter
Convert M4A audio (voice memos, iTunes) to MP3 entirely in your browser.
runs locallyM4A to WAV Converter
Convert M4A audio to uncompressed WAV for editing — entirely in your browser.
runs locallyOGG to MP3 Converter
Convert OGG (Vorbis/Opus) audio to MP3 — entirely in your browser.
runs locallyText to Speech
Turn text into natural-sounding speech with Piper neural voices in 55 languages — running entirely in your browser. Your text never leaves your device.
runs locallyVoice Changer
Change the pitch of a voice recording — chipmunk, deep voice, or any custom amount.
runs locallyVolume Booster
Increase (or lower) the volume of an audio file, with soft clipping to avoid distortion.
runs locallyWAV to MP3 Converter
Shrink large WAV files to compact MP3 — entirely in your browser.
runs locally