About

Use this tool to track number from any webpage and graph how it changes over time.

What is expression?

You can use mathmatical expressions to adjust the numbers. For example, say your number collects temparature from a page in farhenhite but you want to display this in celcius.

For example:

Expression will always be applied on the original value (x) when you go to the details page. Therefore the result will not overwrite the orignal value.