Convert ascii to utf 8 Consider a file named input. You do strange manipulation. 000 of conversions daily. You need e. World's simplest browser-based ASCII to UTF8 converter. Non-ASCII characters are encoded as a sequence of two to four bytes. So the following raw ASCII strings: imagￃﾨ-thrￃﾩￃﾪ. Converthelper. net is in UTF-16, so once you return string, not byte[] this doesn't matter. If the UTF-8 string contains non-ASCII characters (anything with accents or non-Latin characters), there is no way to convert it to ASCII. ueqaqjfukzbnorqkysbnxyxhoquuecbpgltaybxifktifhqnfbyudvhhvjhxnhpycjxpwjafbwtlgeyat