MacroKit logomacrokitmacrokit.app
Free · local · no upload

Free Online Audio Tools

Professional audio editing tools that run entirely in your browser. No upload needed — your files stay on your device.

The kit

Audio Tools

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Audio Splitter

Split audio files into multiple clips with precision. Cut by duration, file size, equal parts, or custom timestamps. Supports MP3, WAV, FLAC, AAC, OGG.

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Why Use Browser-Based Audio Tools?

MacroKit processes audio locally using FFmpeg WebAssembly — nothing gets uploaded to a server.

100% Private

Your audio files never leave your device. No server upload, no cloud storage, no third-party access to your recordings.

Instant Processing

No waiting for uploads or server queues. Audio processing starts immediately in your browser.

Works Offline

Once loaded, audio tools work without an internet connection. Process audio anywhere, anytime.

No Account Required

No signup, no email, no credit card. Open the tool and start editing immediately.

No Watermarks

Export clean audio files without branding or audio watermarks. Professional output every time.

All Formats Supported

MP3, WAV, FLAC, AAC, and OGG — import and export in any major audio format.

FAQ

Audio Tools FAQ

Are these audio tools really free?+
Yes, all audio tools are completely free to use with no hidden costs. There are no watermarks, no file limits, and no account required.
Do my audio files get uploaded to a server?+
No. All audio processing happens locally in your browser using FFmpeg WebAssembly technology. Your audio files never leave your device, ensuring complete privacy.
What audio formats are supported?+
MacroKit supports all major audio formats including MP3, WAV, FLAC, AAC, and OGG. You can split files in any of these formats and choose your preferred output quality.
Can I extract audio from a video file?+
Yes! Use the Audio Extractor tool in the Video Tools section to pull audio tracks from any video file. You can export as MP3, WAV, FLAC, AAC, or OGG.
What is the maximum file size I can process?+
You can process audio files up to 500MB. Since processing happens in your browser, performance depends on your device's memory and processing power.
Guides

Audio Guides & Tutorials

How to Extract Audio from Video — Free Online Tool

Pull audio from any video file as MP3, WAV, FLAC, AAC, or OGG.

How to Split Video Online Free — No Upload Required

Split any video into clips directly in your browser.

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