Free download for Mobile
Free download for PC
Adobe created the PDF standard and its program is certainly the most popular free PDF reader out there.
WPS PDF Toolkit
It's completely fine to use, but I find it to be a somewhat bloated program with lots of features that you may never need or want to use.
What is a PDF (Portable Document Format) file?
Most web browsers, like both Chrome and Firefox, can open PDFs themselves. You may or may not need an add-on or extension to do it, but it's pretty handy to have one open automatically when you click a PDF link online.
I highly recommend SumatraPDF or MuPDF if you're after something a bit more. Developed by:ISO. Initial Release: 15 June 1993.
WPS Office for Windows
Useful links: . Our office suite contains four major feature modules: Writer, Spreadsheet, Presentation, and PDF. Easily compatible with 47 file types, including doc, xls, ppt and other text types.
WPS PDF Converter Pro
Fully applicable to Windows, macOS, Android, and iOS.Moreover, popular templates of various types can help you handle challenges easily and stand out among peers in business, education, and home scenarios.