Audiokompressor

Bitrate senken oder Mono für Sprache.

Dateien hierher ziehen & ablegen

MP3, WAV, FLAC, M4A, OGG, or MP4. Up to 2 GB · 8 files / batch

Preparing encoder0%

How it works

Audio hochladen, Bitrate/Mono, Download — lokal. Das Tool benötigt einen einmaligen Download einer lokalen Verarbeitungs-Engine (Web Worker). Je nach Internetgeschwindigkeit kann das kurz dauern — ohne Server-Upload und mit voller Privatsphäre.

Features

  • Browser-native processing

    Conversions run in your tab with JavaScript — no desktop app required.

  • Zero server uploads

    Files stay on your device during processing. We do not receive your uploads.

  • WebAssembly when needed

    Heavy codecs and AI models run locally via Web Workers and WASM (FFmpeg.wasm, Transformers.js).

FAQ

So funktioniert es

Audio hochladen, Bitrate/Mono, Download — lokal. Das Tool benötigt einen einmaligen Download einer lokalen Verarbeitungs-Engine (Web Worker). Je nach Internetgeschwindigkeit kann das kurz dauern — ohne Server-Upload und mit voller Privatsphäre.

What are the limitations?

Niedrige Bitrate mindert Qualität. Verarbeitung zu 100 % offline im Browser — Dateien verlassen Ihr Gerät nie.

Is this tool free to use?

Yes. This tool is free convert online with no signup. Processing stays in your browser — no uploads.

Will I lose quality?

You control quality settings. Choose higher quality for no quality loss when converting online.

100% browser-based & private

Every conversion runs inside your browser tab using JavaScript and Web Workers. There is no background server queue and no account is required for core tools.

Your files are never uploaded to FreeConvertKit for processing. Originals, previews, and exports stay on your device unless you choose to download or share them yourself.

When codecs or AI models are needed, WebAssembly modules such as FFmpeg.wasm and Transformers.js execute locally — giving you desktop-class power with absolute file privacy.

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