Why would you use an online tool that makes your text wordier, right? But there is possibly an instructional use waiting to be exploited. The text inflator injects unnecessary adjectives such as basically, essentially and literally along with multi-word phrases such as for all intents and purposes.
I reckon this site could be used in Business English and ESP contexts to get learners to explore how their writing might become unnecessarily wordy and it’s kinda fun. It could also be interesting in creative writing courses.
Pumping up the desperation metre can, however, render the text incoherent.
Here’s the link and don’t forget to read the disclaimer at the bottom of the page.