The original software contains restrictions for copying or printing protected documents. This customised version has removed those restrictions and also includes a smiley face button on the toolbar which will toggle Dark Mode.
Restriction example:
Dark Mode example:
More information:
SumatraPDF is a multi-format (PDF, EPUB, MOBI, FB2, CHM, XPS, DjVu) reader for Windows under (A)GPLv3 license, with some code under BSD license (see AUTHORS).
- main website with downloads and documentation
- manual
- all other docs