Full-width/half-width converter provides full-width and half-width conversion, full-width and half-width conversion tools, it is very convenient to switch between full-width characters and half-width characters. Full-width means that one character occupies two standard character positions, and half-width means that one character occupies one standard character position. Character position, the difference between full-width and half-width.
1, full-width occupies two bytes, half-width occupies one byte
2, the full-width is letters and numbers, which occupy the same width as Chinese characters, and the half-width is ASCII characters
3, when there is no Chinese character input method, the alphanumeric and characters input are all half-width