Go to File > Document Properties > Accessibility .

If you are editing text or converting scanned documents, Nitro PDF needs to know which dictionary or character engine to call. 1. Changing the Spell Check Language

This ensures that when you use the "Make Editable" or "OCR" tool, the software correctly identifies accents and unique alphabets. What if the Language You Want is Missing?

If you encounter issues while changing the language in Nitro PDF, here are some troubleshooting tips:

Select your desired language from the list of supported options (typically English, French, Italian, German, Spanish, and Dutch).

Unlike older legacy versions of the software—which required you to completely uninstall the program and download a dedicated, single-language installer—modern versions of Nitro PDF Pro feature a . This makes switching your workspace interface instant and highly flexible.

If you are running a recent build of , the application handles localized layouts natively. Follow these steps to alter your interface text:

Follow these simple steps to switch the language to your preference.