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Media Tools – Convert MP4 & WAV to MP3 Free Online

Sometimes you only want the sound: the song from a video, the lecture without the slides, the voice note in a format every player understands.

Convert MP4 videos to MP3 audio, or turn chunky WAV recordings into small MP3 files. Everything happens in your browser, so even big files never have to be uploaded anywhere.

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MP4 to MP3

Extract audio from videos — MP4 to MP3 free.
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WAV to MP3

Convert WAV audio to MP3 in your browser.
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MP3 to WAV

Convert MP3 to full uncompressed WAV audio.

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🗜️ Compress PDF🔀 Merge PDF📄 PDF to Word📸 JPG to PDF

Every tool on this page is free, works on phone and computer, and runs right in your browser — your files are never uploaded to a server.

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