SumatraPDF reader supports the following document types:
- PDF (.pdf)
- eBook formats:
- unencrypted EPUB (.epub)
- MOBI (.mobi)
- Fiction Wise (.fb2, .fb2z, .zfb2)
- .pdb (Palm DOC format)
- .tcr
- comic book files: .cbz, .cbr, .cbt, .cb7z
- DjVu (.djv, .djvu)
- Microsoft Compiled HTML Html (.chm)
- XPS (.xps)
- images (.jpg, .png,.gif, .webp, .tiff, tga, .j2k)
If Ghostscript is installed, we support PostScript (.ps, .eps) files.
You can make SumatraPDF to be default program for handling those file types.