QRix
Video in → clean audio out. Full quality, zero upload.
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Yes — completely free, no watermark, no signup, no file limits beyond your device's memory.
No — everything runs on your device in the browser. Your videos never leave your computer.
You get a real MP3 on browsers that can encode one (most Chromium-based browsers); otherwise the tool falls back to lossless WAV automatically. Either way it stays on your device.
Processing is in-memory, so a few hundred MB works comfortably on most devices; very long 4K files depend on your RAM.
Extract Audio pulls your video's soundtrack out entirely on-device. It exports a real MP3 wherever your browser can encode one, and falls back to lossless WAV otherwise — both are universally supported and import into any editor. Nothing is uploaded.
It's free, private and works right in your browser — no signup, no watermark.