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Asked: 2026-05-13T18:14:02+00:00

Does anybody know if there is a simple way to detect character set encoding

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Does anybody know if there is a simple way to detect character set encoding in Java? It seems to me that some programs have the ability to detect which character set a given piece of data uses, or at least make an aproximation.

I suppose the underlying mechanism would have to decode the data in each character set and pick whichever one has the least undefined characters followed by which character set is more common to break a tie.

Any ideas?

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1 Answer

  1. Editorial Team

    For finding whether data is in any unicode format( UTF-8,UTF-16… etc) you can read the data in byte stream and check the first 4 bytes( BOM size) , and for each encoding it will be different

    for eg:

    for UTF-8 first 3 bytes will be EF,BB,BF

    for encodings other than unicode encodings i am not sure…

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