Instructions:

1. Select the starting text, the line that has "Creature Name CR Level"
   1. 
2. Select all the way to right before ECOLOGY
   1. 
3. Copy the text and paste it into the left side of the tool
   1. 
4. Click on the "Parse Text" button to extract the data to the right side.
5. Validate the data was imported correctly
   1. 
6. In Roll20 create a new game (if you don't already have the "Pathfinder Community" optional character sheet activated).
7. Goto the Journal, "+Add" a new Character
8. Click on Character Sheet Tab, select "IS NPC" and then the Settings Icon
9. Clear out the pre-generated Name
10. Switch back to the tool, select the "Paste stats" button (the tool will minimize) and re-select the "Name" field in roll20. You have 5 seconds.
    1. 
11. Wait 5 seconds, and the tool will paste in the data.
12. Click on the parse button and validate the data was transferred correctly.
13. Drag the Character over to the map to place the token.

If help is needed, please refer to the video https://www.youtube.com/watch?v=VKUX-DREM4E

Optional Create "All" macro

1. Click on the "Collections" menu option
2. Under Macros click the "+ Add"
3. Enter
   1. Name: "All"
   2. Actions: "%{selected|allmenus}"
   3. 
4. Select the checkbox for " Show macro quick bar?"
5. Save the macro and drag it onto the menu bar if it is not already there.(below your portrait on bottom left).
6. Click on the token and click the "All" macro to see the Whisper Chat of options.

In either case, it works fine for me on Linux here as well :)