Is it possible to change the PDF Version of the document?

[vlakkenahalli]

Hello Team,

I would like to change the PDF Version of the Document.
Can we achieve this using PDFTron SDK?

Please suggest me how to do this.

Thanks
Vijaykumar

[Ryan]

Yes, you can save as 1.4 version PDF using the PDFDoc.Save and use the e_compatibility save mode.

For more info please see the following forum posts.

How do I save my PDF to PDF 1.4 (no compressed objects and xrefs) with PDFNet SDK?

Q: One of our customers complained that when a version 1.4 pdf is opened and saved using PDFDoc.Save() function, the new pdf version changes to 1.5 that uses compressed objects and xrefs. I guess their current system does not support these PDF features. Is there a way to force saving into a desired pdf version? A: Yes, you can use SDFDoc.SaveOptions.e_compatibility flag as an option to the PDFDoc.Save method to save as PDF 1.4. For example: using (PDFDoc doc = new PDFDoc()) { // process PDF…

Can you explain the different save options?

Question: There a number of different save options, can you explain what each is, and how to pick them? Answer: Compatibility Save the document in a manner that maximizes compatibility with older PDF consumers (e.g. the file will not use object and compressed xref streams). In particular this means the file will be saved as PDF 1.4 format. When to Use: Only when you know you have to (for some external requirement reason), since the resulting file will most likely be larger. Linea…