The present invention relates to a character information processor having a function by which the user can obtain a character to be inputted by inputting a code corresponding to the character.The character information processor of the present invention includes: code input means through which the code is inputted; and a plurality of code-character conversion tables which are associated with different code systems and each of which contains relationships between codes and their corresponding characters under the code system. Also, the processor includes eligible character retrieving means for retrieving each of the plurality of code-character conversion tables to find out a character corresponding to the code inputted through said code input means so as to output the character thus found as an eligible character with respect to each of the plurality of code-character conversion tables; display means for displaying, on a display screen, one or more eligible characters supplied from the eligible character retrieving means; and selecting means for selecting one character as a desired character out of the one or more eligible characters thus displayed.