Free Online Audio Tools
Free online audio tools: voice recorder, audio converter, noise reducer, voice changer, speed changer, volume booster, and audio cutter. Runs 100% locally — no upload.
Voice Recorder
Record audio from your microphone and download it as a WAV file.
runs locallyAudio Noise Reducer
Reduce background hiss and noise from recordings with a noise gate.
runs locallyAudio Converter
Convert audio files to WAV or MP3 entirely in your browser.
runs locallyVoice Changer
Change the pitch of a voice recording — chipmunk, deep voice, or any custom amount.
runs locallyAudio Speed Changer
Speed up or slow down audio without changing its pitch.
runs locallyVolume Booster
Increase (or lower) the volume of an audio file, with soft clipping to avoid distortion.
runs locallyAudio Cutter
Trim an audio file to a start and end time.
runs locallyAbout Audio Tools
Audio Tools is a collection of free, single-purpose tools. Pick the one that matches what you want to do — each opens on its own page with no menus to dig through. Everything runs locally in your browser; your files are never uploaded.
How to use Audio Tools
- Click the tool that matches what you want to do.
- On that tool's page, drop in your file (or paste your text).
- Download the result — it's processed locally, in seconds.
Frequently asked questions
Is Audio Tools really free?
Yes — every tool in this collection is completely free, with no account, no watermark, and no usage limits.
Are my files uploaded to a server?
No. All processing happens locally in your browser using WebAssembly and Web APIs. Your files never leave your computer.
Which tool should I use?
Each tool does exactly one thing — click the one whose name matches your task. If you need several operations, just use several tools; there is nothing to configure.