02-09-2017 , 08:46 PM
I use SumatraPDF for PDF viewing and i2pdf_x64_1.0.46 for creating pdfs. Both free, both portable, both less than 5 mb ;) But yes, this is about pdf editors so, actually I always wonder, pdf files were made so no changes could be made and now they making software to edit pdf files, making pdf files feel like simple word documents that can be edited if we have the software, lolz.