Version compatibility is another thing. Older PDF versions might open correctly in some software but not others. Updating the format to a newer version could help. Also, page orientation and layout fixes. If a PDF looks skewed or the layout is messed up, the tool should adjust that.
Security aspects are crucial. Ensuring the tool doesn't leave personal data on the server, especially for web versions. Providing export options in different PDF versions might be useful. Performance optimization for large files without taking too long. mo pai pdf fix
First, I should consider common PDF problems users face. Like corrupted files, missing fonts, image issues, or formatting problems when printing. Also, maybe merging or splitting PDFs. But since it's called a fixer, the focus should be on repairing issues rather than creating or editing. Version compatibility is another thing