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What is this?
SumatraPDF is a free, multi-format document reader for Windows that opens PDF, EPUB, MOBI, CBZ, CBR, FB2, CHM, XPS and DjVu files.
SumatraPDF is a free, multi-format document reader for Windows that opens PDF, EPUB, MOBI, CBZ, CBR, FB2, CHM, XPS and DjVu files.Is this a full editor or just a viewer?It is a lightweight viewer/reader, not an editor — it focuses on opening and reading documents quickly rather than editing them.
It is a lightweight viewer/reader, not an editor — it focuses on opening and reading documents quickly rather than editing them.How do I install it on Windows?Download the installer or portable build from the SumatraPDF website; it's a native Win32 application, so no build step is required for end users.
Download the installer or portable build from the SumatraPDF website; it's a native Win32 application, so no build step is required for end users.Do I need anything else installed to run it?No, it runs as a standalone native Windows app with no extra runtime or framework dependencies mentioned.
No, it runs as a standalone native Windows app with no extra runtime or framework dependencies mentioned.Is it only for Windows?Yes, it is built specifically for Windows (Win32), using C/C++ under the hood.
Yes, it is built specifically for Windows (Win32), using C/C++ under the hood.What file formats besides PDF does it support?It also supports EPUB, MOBI, CBZ, CBR (comic book archives), FB2, CHM, XPS and DjVu files.
It also supports EPUB, MOBI, CBZ, CBR (comic book archives), FB2, CHM, XPS and DjVu files.Why would I pick this over Adobe Reader?SumatraPDF is known for being extremely lightweight and fast-starting compared to heavier readers, making it a popular minimalist alternative on Windows.
SumatraPDF is known for being extremely lightweight and fast-starting compared to heavier readers, making it a popular minimalist alternative on Windows.Is it actively maintained?The repo includes a windows-daily.yml CI workflow alongside build and codeql checks, suggesting ongoing automated builds and maintenance.
The repo includes a windows-daily.yml CI workflow alongside build and codeql checks, suggesting ongoing automated builds and maintenance.What are similar projects?pdf.js, KillerPDF, PDFPatcher, LunaTranslator, xournalpp, revpdf-release, qiaomu-book-reader-legacy, calibre
pdf.js, KillerPDF, PDFPatcher, LunaTranslator, xournalpp, revpdf-release, qiaomu-book-reader-legacy, calibreWhich topics is it in?win32, viewer, pdf-viewer, reader, ebook-reader, document, c-plus-plus, gpl, native, document-processing, windows-app, pdf
win32, viewer, pdf-viewer, reader, ebook-reader, document, c-plus-plus, gpl, native, document-processing, windows-app, pdf