PageEdit only comes with spellcheck dictionaries for English, French, German and Spanish.
To install additional PageEdit spellcheck dictionaries:
1. Close all PageEdit instances and visit the
Chromium hunspell_dictionaries website.
2. Download the .bdic dictionary file for the language that you want to install. For example,
it-IT-3-0.bdic for Italian.
3. Copy it to the PageEdit
qtwebengine_dictionaries folder.