Audio Converter

Convert between MP3, AAC, AC3, AMR, M4R, WMA, DTS, FLAC, and dozens more formats locally.

Works offline

Drop your files here, or click to select

Supported:MP3MP2WAVOGGFLACAAC

Privacy guaranteed. All conversion runs locally in your browser - your files never leave your device.

How the Audio Converter works

Convert MP3, WAV, FLAC, AAC, OGG, Opus, M4A and many other audio formats for free. Files remain on your device while the browser performs the conversion, and optional metadata removal helps create a cleaner output.

Fluxed uses a WebAssembly build of FFmpeg, the established media toolkit, inside a worker. The relatively large conversion engine is requested only when you open the audio workflow and begin using it, rather than slowing every Fluxed page. Once cached, it is available for later offline conversions. Choose an output format and quality appropriate for your target: MP3 and AAC are practical for sharing, FLAC preserves lossless audio, and WAV is useful for editing. Batch mode handles several tracks without a server queue or daily quota. Local processing is especially valuable for voice notes, interview recordings and unreleased music because no third-party conversion service receives the content. Conversion speed varies with duration, codec and your device processor.

Popular conversions

WAV to MP3

FLAC to MP3

M4A to WAV

OGG to MP3

Why local browser processing is safer

Traditional cloud converters upload a file to a remote system before processing it. Fluxed instead uses browser APIs, Web Workers and WebAssembly (WASM) inside the browser sandbox. Your operating system gives the page access only to files you explicitly select, and the conversion output is created locally. There is no account, analytics script or tracking cookie. After the required app assets have been cached, supported workflows can also run offline.

Frequently asked questions

Is the audio conversion really free?

Yes. Fluxed has no account, conversion credits, file upload quota or paywall.

Why does the first conversion take longer?

The browser loads the FFmpeg WebAssembly engine on first use. It is then cached for later conversions.

Can I remove audio metadata?

Yes. Enable metadata stripping to omit compatible tags from the converted file.

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