The best parsers handle both.
Modbus is one of the simplest industrial protocols, but it is also one of the most finicky when it comes to data representation. modbus parser online best
A good Modbus parser online takes the raw hex string, dissects it, and presents the function code, slave ID, data payload, and error-checking codes in plain English. The best parsers handle both
The mark of a superior parser is the ability to toggle byte order. If you parse a hex string and the value looks like gibberish, you often need to "Word Swap" or "Byte Swap." The best online tools offer radio buttons or toggles to instantly change the interpretation of the data payload (e.g., swapping 1234 to 3412). A good Modbus parser online takes the raw
Most energy data (kW, Volts, Amps) is sent as Float32.