Frequently asked questions regarding UnPDF
- How do I open an encrypted locked PDF document
- Can UniPDF compress and optimise PDF documents?
- How do I merge multiple PDF documents
- How do I add annotations to a PDF document?
- How do I lock a PDF document with a password ?
- How do I set and get PDF document outline
- Does UniPDF support bitonal encoding such as CCITT and JBIG2?
- How do I implement a text search and replace ?
- How do I add an invisible text layer under a PDF for search?
- Can I Change Metadata of a PDF File?
- How PDF Coordinate Systems Works with UniPDF