If your desired language is not listed:
Troubleshooting:
Would you like step-by-step screenshots or instructions for Nitro Reader (free) instead?
Now you should be able to use Nitro PDF Pro in your preferred language!
In the latest versions of Nitro PDF Pro (specifically build 13.70.2.40 and newer), you can change the interface language directly within the application's settings. Previously, users had to uninstall and reinstall the entire program using a specific language installer, but the new unified installer supports multiple languages. How to Change the Interface Language
If you are using a modern version of Nitro PDF Pro, follow these steps to change the menus and ribbon language: Launch Nitro PDF Pro on your computer. Navigate to the menu in the top-left corner. Preferences at the bottom of the menu. In the Preferences window, select from the categories listed on the left.
Choose your preferred language from the dropdown menu (standard options include English, French, Italian, German, Spanish, and Dutch). the application for the changes to take effect. Changing the Document Reading Language
If you need to change the language for accessibility purposes (like screen readers or spell check), this is handled at the document level rather than the interface level: Open your PDF and go to File > Document Properties > Accessibility Select the correct language from the Document Language list and click Save the document to keep these settings. Troubleshooting Older Versions Setting the Document Language - Nitro PDF
To change the language in Nitro PDF Pro, you can either update the application interface through internal settings (available in newer builds like version 13.70+) or set the document-specific reading language for accessibility. Changing the Application Interface Language how to change language in nitro pdf new
In newer versions of Nitro PDF Pro, you can switch the interface language directly within the application's preferences.
Open Preferences: Launch Nitro PDF Pro and go to the File menu, then select Preferences.
Select Language: In the left-hand column of the Preferences window, click on Language.
Choose Your Language: Select your desired language from the Application Language drop-down menu. Supported languages typically include English, French, Italian, German, Spanish, and Dutch.
Apply and Restart: Click Apply, then OK. You must restart Nitro PDF Pro for the changes to take effect.
Note: If these settings are unavailable, you may be on an older version that requires you to reinstall the software using the specific language installer for your preferred language. Setting the Document Reading Language
If you need to change the language so screen readers and assistive technologies can correctly identify text characters and pronunciation, follow these steps: Open your PDF in Nitro PDF Pro. Navigate to File > Document Properties. Select the Accessibility tab.
Choose the correct language from the Document Language list. Click OK and Save your document to apply the change. Changing the OCR Recognition Language If your desired language is not listed:
To change which language Nitro recognizes when performing Optical Character Recognition (OCR) on scanned documents: Interface Language - Nitro Help
To change the language in the new version of Nitro PDF Pro , you can now do so directly through the application's preferences without having to reinstall the software, which was required in older versions. How to Change the Application Language
For versions 13.70 and later, follow these steps to update the interface language: Open Preferences Nitro PDF Pro and navigate to File > Preferences Select Language
: In the left-hand column of the Preferences window, click on Choose Language : Select your preferred language from the Application Language
drop-down menu. Supported options typically include English, French, Italian, German, Spanish, and Dutch. Apply and Restart . You must Nitro PDF Pro for the language changes to take effect. Other Language Settings
If you are trying to change language for specific document functions rather than the entire app interface: Document Language (Accessibility)
: To help screen readers identify the correct language, go to File > Document Properties > Accessibility and select a language from the Document Language OCR Recognition
: If you are working with scanned documents, you can set the OCR language by going to File > Preferences > OCR and choosing a language from the dropdown menu. Translation Troubleshooting:
: For instant translation of document content, you can use the Nitro Document Assistant (AI-powered tool), which supports over 80 languages.
If you are using an older version (pre-v13.70) that does not show a "Language" tab in Preferences, you may need to uninstall the current version reinstall Nitro Pro using the specific installer for your desired language. for a different language installer? Setting the Document Language - Nitro PDF
Click OK. Close the Registry Editor. Now reopen Nitro PDF. The interface should instantly switch to your selected language.
If you only want to change the language for spell-checking (not the buttons and menus), the process is slightly different:
If the language reverts upon restarting:
The app will now launch in the primary language you just set. Note: If your macOS is in English but you want Nitro in Spanish, you must set Spanish as your primary system language.
Follow Method 2 (Registry). Navigate to the Settings key. If there is a value called Language with zh_CN or ja_JP, change it to en_US. If the value does not exist, create it as a String Value and set it to en_US.