PROBLEM TO BE SOLVED: To reduce burden on a network and to give only a necessary font to a client-side by storing the list of fonts which a client holds on a server-side and displaying only the stored font on the client-side when a character is inputted from the client. SOLUTION: An input part 21 is connected to the respective clients and KANA/KANJI conversion requests from the respective clients are inputted. A conversion part 22 retrieves a dictionary file 24 based on the inputted KANA/ KANJI conversion request and KANA/KANJI conversion is executed. Data for KANA/KANJI conversion are stored in the dictionary file 24. The list of the character fonts which the respective clients have are stored in a font list 27. An output part 29 outputs the conversion result to the clients in response to the KANA/KANJI conversion requests from the respective clients. Thus, only the necessary fonts are given to the client-side.
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