There are many PDF / ePub readers available, unfortunately, we cannot test all of them or offer detailed support for third party software. Below is a list of those we have been able to test for compatibility:
Kindle
PEP-Web PDFs are compatible with Kindle via “Send To Kindle”. When a PDF is sent to Kindle, it’ll automatically be converted.
Macintosh OS-X Standalone
Apple Books (Formerly iBooks) – Adjustable font size, multiple columns.
Windows, Standalone
Icecream – Adjustable font size and line spacing, multiple display views.
Bluefire Reader – Fixed size font, multiple columns.
Android
Moon+ Reader – Adjustable font size, spacing, justification, more…
FBReader – Fixed size font, spacing, justification, more…
UB Reader – Fixed size font, but can adjust margins.
Pocketbook – Fixed size font unless you set it to ignore CS
IOS
Apple Books (Formerly iBooks) – Adjustable font size, multiple columns.
Firefox Plugins
ePubReader – Adjustable font size, multiple columns.
Chrome Plugins
Livemargin/SocialBook – Adjustable font size, also Zoom feature.
Readium – Fixed size font, multiple columns.