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convert base64 string into byte array and save in mp3 file format
Posted 21-Mar-12 0:40am

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Solution 1

Assuming the Base64 string is an MP3 file, all you need is the Convert.FromBase64String Method[^]

byte[] bytes = System.Convert.FromBase64String(stringInBase64);
File.WriteAllBytes(@"D:\Temp\myFile.mp3", bytes);

If it isn't, then it will look like an MP3 until an app tries to open it, when it will fail to play.
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