To give you a fast and full overview of add-ons in Foxit Reader or PhantomPDF, here we list all add-ons and their function description.
Instructions on installation of .fzip package below
To manually install a critical or an advanced add-on, please run Foxit Reader or PhantomPDF, and then go to "Help" > "Install Updates" > browse and choose the related downloaded package, and then click the "Open" button. When you're done, click "Done" to finish the installation.
When you fill out an English form or use typewriter to insert any English text, this tool will try to find any spelling errors and highlight them with squiggly lines. If you right click on the misspelled words, you will see a list of suggested words.