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010 Editor - Text/Hex Editor Homepage

010 Editor contains a useful tool for setting the number of bytes in the current file. Note that the size of drives and processes is fixed and cannot be edited with this tool. Click the 'Edit > Set File Size...' menu option to display the Set File Size dialog. Enter the desired file size in the Size field. Note that either hex or decimal formats can be used, depending on the Hex and Decimal radio buttons. If the new file size is larger than the current file size, a number of bytes will be appended to the file. The value of the inserted bytes can be controlled using the Hex, Decimal, and Char fields in the Byte Value box. Note that when typing a value in one field, the other fields will automatically display the converted value (the Char field is empty in the above screenshot because the byte value 0 cannot be converted to a printable character). If the new file size is less than the current size, bytes will be deleted from the end of the file. Click OK to perform the operation or Cancel to close the dialog.


This is the manual for 010 Editor, a professional hex editor and binary file editor. Use 010 Editor to edit the individual bytes of any binary file, hard drive, or process on your machine. 010 Editor contains a whole host of powerful analysis and editing tools, plus Binary Templates technology that allows any binary format to be understood.