SumatraPDF reader supports the following document types:
- PDF (.pdf)
- eBook formats:
- unencrypted EPUB (.epub)
- MOBI (.mobi and un-encrypted .azw)
- FictionBook (.fb2, .fb2z, .zfb2)
- .pdb (Palm DOC format)
- .tcr
- comic book files: .cbz, .cbr, .cbt, .cb7
- archive files (.7z, .rar, .tar, .zip) with images
- DjVu (.djv, .djvu)
- Microsoft Compiled HTML Html (.chm)
- XPS (.xps, .oxps, .xod);
- images (.jpg, .png,.gif, .webp, .tiff, tga, .j2k, .bmp, .dib)
- HEIF (if codec installed, see below)
If Ghostscript is installed, we support PostScript (.ps, .eps) and PJL (Printer Job Language) files.
HEIF support
Since version 3.4 SumatraPDF can open HEIF images but only if Windows has a codec for the format.
You can use one of those codecs:
You can make SumatraPDF to be default program for handling those file types.