The ESP8266 connects to a pre-configured local WiFi network and has a telnet interface to extract stored log information, in the form of JSON data. [Scott] has some nice graphs and other data ...

[Alex] added a feature allowing the JSON document with the format information loaded from the computer, while only the data is sent over serial. Serial Studio includes several visualization ...

I recommend something like Visual Studio Code ... Click this to get a list of the columns you can expand the JSON data into, using JSON keys as column names and the values as the data.