NOTE: no online grammar checker is capable of perfecting your grammar. A real editor should be used for final copy
You can add very large text to the form ie and entire book
however please note that processing time will increase substantially
In out tests it takes about 45 seconds to process about 60,000 words.
AS well when you are in the results pages if you click on the tabs (Passive Voice Wordiness etc) it will also reprocess the text for that section and will take about the same time as the original processing time.