QRix
The classic conversion — soundtrack out of an MP4 in seconds.
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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.
Yes, on browsers that can encode MP3 (most Chromium-based browsers). If yours can't, the tool automatically gives you a lossless WAV instead — both are on-device and upload nothing.
MP4 to MP3 pulls the audio out of your video entirely on-device. It exports a real MP3 wherever your browser can encode one, and falls back to lossless WAV otherwise — either way the file plays everywhere and imports into any editor, and nothing is uploaded.
It's free, private and works right in your browser — no signup, no watermark.