Along with this, the offset of the active byte is displayed in both decimal and hexadecimal formats. If Character info is selected in the while in hex mode, a dialog will open showing the decimal value and hexadecimal value of the active byte as well as how this will be displayed in plain text mode (this may vary based on font and script). To insert or delete characters in hex mode use the insert/delete command from the Hex mode dropdown in the tab.Įditing in either the ASCII area or the hex area automatically updates the other area after typing a character.Ĭut, copy and paste are supported in hex mode. In hex mode, all typing is done in overstrike mode, i.e., typing a character overwrites the active character rather than inserting a new character. Non-printable characters are shown with a period character ('.'). The ASCII representation provides the view of printable characters.

The hexadecimal representation shows the hexadecimal value of each file byte as a two character field separated from the next byte by a space (' '). The file offset area shows the current byte offset of the character at the beginning of the line to form the beginning of the file. You can configure the number of hex characters shown in a line while in hex edit mode in Settings » Editor » Hex mode. However, in some cases hex editing is useful or necessary for plain-text files as well. These files often contain non-printable characters and are not plain text files. Hex editing mode is typically used for binary files.

The hex edit command toggles the active window from regular plain text editing into hex editing mode. Hex editing mode is typically used for binary files. Editing a binary file in UltraEdits hex editor.

How to hex edit with hex fiend