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Fix Kannada Font Display and Editing Issues in PDFs on Mobile
Question details
The user needs to fix corrupted or unreadable Kannada text when viewing or editing PDF documents on a mobile app.
- Product
- PDF Mobile App
- Device & OS
- not provided
- Scenario
- Opening and attempting to edit a PDF document containing Kannada text on a mobile device.
- Observed behavior
- Kannada text appears corrupted or unreadable, and text editing functions fail to work correctly within the premium mobile app.
Ensure that the original PDF file has the Kannada fonts properly embedded before transferring it to your mobile device, as missing embedded fonts are the most common cause of regional text corruption in PDF readers.
Embed Fonts in the Source Document
Re-exporting the PDF from a computer with fonts embedded ensures that mobile apps do not attempt to substitute missing regional fonts.
Mobile operating systems often lack extensive pre-installed regional fonts like Kannada. If the PDF was created without embedding the font files, the mobile app will try to substitute them, resulting in corrupted characters.
Open the original document in your desktop word processor (such as WPS Writer or Microsoft Word).
Navigate to 'File' > 'Options' > 'Save'.
Check the box labeled 'Embed fonts in the file' and apply the settings.
Go to 'File' > 'Export to PDF' and create a new PDF file to transfer to your mobile device.
Update the Mobile App and Clear Cache
Keeping your PDF app updated ensures you have the latest font rendering engine bug fixes.
Gather Diagnostic Info for Support
If the issue persists, the app developers will need specific diagnostic data to identify and patch the rendering bug.
Edit PDFs Flawlessly with WPS Office on Mobile
WPS Office Mobile provides a powerful native PDF rendering and editing engine. Easily view, annotate, and edit PDF text directly on your smartphone with excellent regional font support.
- 1. Download WPS Office: Install WPS Office from the App Store or Google Play Store.
- 2. Open your PDF: Tap the 'PDF' tab on the home screen and select your Kannada language PDF file from your device storage.
- 3. Enter Edit Mode: Tap the 'Edit' icon at the top of the screen to modify text and adjust layout settings.
- 4. Save Changes: Once your edits are complete, tap 'Done' and save your document securely.
Frequently Asked Questions
Why do Kannada fonts show up as square boxes or unreadable symbols in my PDF?
This typically occurs when the specific Kannada font used to author the document was not embedded into the PDF file, and your mobile device does not have that exact font pre-installed. The app substitutes a default font that lacks Kannada characters, resulting in missing or corrupted symbols.
Can I install custom Kannada fonts directly into my mobile PDF reader?
Most mobile PDF applications rely on system-level fonts or internally packaged fonts and do not support adding custom fonts directly into the app. The best solution is to embed the font into the PDF file itself before sending it to a mobile device.
How can I verify if a PDF has its fonts properly embedded?
Open the PDF file on a desktop PDF reader (like WPS Office PC or Acrobat), go to 'File' > 'Properties' or 'Document Properties', and click on the 'Fonts' tab. This will display a list of all fonts used in the document and indicate which ones are marked as '(Embedded)'.
