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The video is excluded.","MP4 to MP3 Converter",{"title":30,"steps":31},"How to use this tool",[32,35,38],{"title":33,"body":34},"Choose your file","Select one file or a batch in the indicated input format.",{"title":36,"body":37},"Adjust the result","Only the first audio stream is selected. An MP4 without audio produces a no-audio-track error. Corrupt media and unsupported codecs cannot be converted. The output contains audio only, with no video stream.",{"title":39,"body":40},"Process and download","Start processing, then play or download the result. Files are processed one at a time.",[42,45],{"title":43,"paragraphs":44},"Format and quality",[37],{"title":46,"paragraphs":47},"Local processing",[48,49],"Your files are processed locally in your browser and are not uploaded to WeDoConvert servers.","Very large media files can exceed browser memory. The engine loads only when you start processing. 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