The all check option will run all of the epubtoolbox validators on the selected epub. The checks that will be run:
To run a size check simply press the green ticks icon

Then choose your epub file

Results will be printed into the console window
The all check option will run all of the epubtoolbox validators on the selected epub. The checks that will be run:
To run a size check simply press the green ticks icon

Then choose your epub file

Results will be printed into the console window