Your Pro Audio Toolkit,Rebuilt for the Modern Web

Everything you need for modern audio workflows, from playback and analysis to editing, effects, conversion, and AI enhancement. Built with browser-native technology and local AI models to keep your audio private & secure. No uploads. No sign-ups. Free to use.

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Tool Categories

Audio Analysis & Visualization

Audio key, BPM & loudness analysis, spectrograms & waveform visualization.

Key & BPM Finder

Detect music key, BPM and Camelot key of your song, privately in your browser.

Audio & Voice AI

On-device AI audio & voice enhancement, speech recognition & synthesis.

Noise Reduction

Remove noise from voice recordings and music - hum, hiss, traffic, and more. No uploads. Privacy-first.

Audio Effects

Pro audio filters, reverb, EQ & sound effect processing.

Pitch Shifter

Transpose songs & change music key instantly without affecting tempo. High-quality. No uploads.

Speed Changer

Change music speed and song tempo instantly without changing the pitch. High-quality. No uploads.

Audio Reverb

Add high-quality space and depth to your audio instantly with fine-grained controls. No uploads. Privacy-first.

Audio Conversion

Fast audio conversion & extraction for universal formats & codecs.

Video to Audio Converter

Extract lossless original tracks or convert videos to MP3, AAC & WAV instantly. No uploads. Privacy-first.

Audio Editing

Trim, cut, merge, boost, reverse & edit audio waveforms.

Bass Booster

Add deeper, punchier bass to your music instantly. No Uploads. Privacy-first.

Volume Booster

Boost sound up to 400%, normalize loudness, and balance all channels. No uploads. Privacy-first.

Reverse Audio

Reverse music and audio tracks instantly in your browser. No file uploads. Privacy-first.

Why Choose WebAudioKit?

Privacy First

Everything runs locally in your browser. No data leaves your device, ensuring absolute data sovereignty.

Pro-Grade Performance

Powered by WebAssembly and Web Audio API, deliver native-level DSP performance directly in your browser without lag.

Universal Audio Formats

Seamlessly convert, extract, and process broad formats, including MP3, WAV, FLAC, AAC, OGG, M4A, and high-spec audio codecs.

Suited Audio Workflows

Designed for your everyday audio pipeline, from key and BPM analysis to multi-track trimming, local AI processing, and real-time audio effects.

Fast & Easy

No installs, no signups, no subscriptions. A pure browser workstation to process audio instantly, anywhere, on any device.

Completely Free

Full access to all pro-grade audio processing tools with zero cost, no hidden paywalls, no file size limits.

Frequently Asked Questions

What is WebAudioKit?

WebAudioKit is a free online audio toolkit. It provides professional-grade audio editing, analysis, AI processing, and conversion tools directly in your browser without uploading audio to remote servers.

Is my audio data private and secure?

Absolutely. WebAudioKit uses a “Zero-Upload” architecture. All processing and AI models run locally in your browser, your files never leave your device.

Is WebAudioKit really free? Are there file limits?

Yes, completely free with no sign-ups, subscriptions, or paywalls. Because tasks process locally on your hardware, there are no artificial file size restrictions.

Do I need to create an account to use WebAudioKit?

No, you do not need to create an account. Simply visit the website and start using all tools instantly.

What formats and codecs are supported?

We support major lossy and lossless formats including MP3, WAV, FLAC, AAC, OGG, and M4A, as well as video-to-audio extraction (MP4, WebM, etc.).

How does it achieve desktop-grade speed in a browser?

Powered by WebAssembly (WASM) with SIMD optimization and browser-native Web Audio APIs, WebAudioKit delivers near-native DSP and local AI performance with minimal latency.

Do I need to install any software or extensions?

No. WebAudioKit is a pure web workstation that works instantly on any modern browser across PC, Mac, iOS, and Android.

Can I use WebAudioKit on mobile devices?

Yes. WebAudioKit is fully responsive and works seamlessly on mobile browsers, allowing you to analyze and edit audio on the go via smartphone or tablet.