# Sumatra PDF is a PDF, ePub, MOBI, CHM, XPS, DjVu, CBZ, CBR reader for Windows

Version 3.2

## Version history

3.1.2 (2016-08-14)
Changes in this release:

- fixed issue with icons being purple in latest Windows 10 update
- tell Windows 10 that SumatraPDF can open supported file types

3.1.1 (2015-11-02)
Changes in this release:

- (re)add support for old processors that don’t have SSE2
- support newer versions of unrar.dll
- allow keeping browser plugin if it’s already installed
- crash fixes

3.1 (2015-10-24)
Changes in this release:

- 64bit builds
- all documents are restored at startup if a window with multiple tabs is closed (or if closing happened through File -> Exit); this can be disabled through the `RestoreSession` advanced setting
- printing happens (again) always as image which leads to more reliable results at the cost of requiring more printer memory; the "Print as Image" advanced printing option has been removed
- scrolling with touchpad (e.g. on Surface Pro) now works
- many crash and other bug fixes

3.0 (2014-10-18)
Changes in this release:

- Tabs! Enabled by default. Use Settings/Options... menu to go back to the old UI
- support table of contents and links in ebook UI
- add support for PalmDoc ebooks
- add support for displaying CB7 and CBT comic books (in addition to CBZ and CBR)
- add support for LZMA and PPMd compression in CBZ comic books
- allow saving Comic Book files as PDF
- swapped keybindings:
  - F11 : Fullscreen mode (still also Ctrl+Shift+L)
  - F5 : Presentation mode (also Shift+F11, still also Ctrl+L)
- added a document measurement UI. Press 'm' to start. Keep pressing 'm' to change measurement units
- new advanced settings: FullPathInTitle, UseSysColors (no longer exposed through the Options dialog), UseTabs
- replaced non-free UnRAR with a free RAR extraction library. If some CBR files fail to open for you, download unrar.dll from http://www.rarlab.com/rar_add.htm and place it alongside SumatraPDF.exe
- deprecated browser plugin. We keep it if was installed in earlier version

2.5.2 (2014-05-13)
Changes in this release:

- use less memory for comic book files
- PDF rendering fixes

2.5.1 (2014-05-07)
Changes in this release:

- hopefully fix frequent ebook crashes

2.5 (2014-05-05)
Changes in this release:

- 2 page view for ebooks
- new keybindings:
  - Ctrl+PgDn, Ctrl+Right : go to next page
  - Ctrl+PgUp, Ctrl+Left : go to previous page
- 10x faster ebook layout
- support JP2 images
- new advanced settings: ShowMenuBar, ReloadModifiedDocuments, CustomScreenDPI
- left/right clicking no longer changes pages in fullscreen mode (use Presentation mode if you rely on this feature)
- fixed multiple crashes and made multiple minor improvements

2.4 (2013-10-01)
Changes in this release:

- full-screen mode for ebooks (Ctrl-L)
- new key bindings:
  - F9 - show/hide menu (not remembered after quitting)
  - F8 - show/hide toolbar
- support WebP images (standalone and in comic books)
- support for RAR5 compressed comic books
- fixed multiple crashes

2.3.2 (2013-05-25)
Changes in this release:

- fix changing a language via Settings/Change Language

2.3.1 (2013-05-23)
Changes in this release:

- don't require SSE2 (to support old computers without SSE2 support)

2.3 (2013-05-22)
Changes in this release:

- greater configurability via advanced settings
- "Go To Page" in ebook ui
- add View/Manga Mode menu item for Comic Book (CBZ/CBR) files
- new key bindings:
  - Ctrl-Up : page up
  - Ctrl-Down : page down
- add support for OpenXPS documents
- support Deflate64 in Comic Book (CBZ/CBR) files
- fixed missing paragraph indentation in EPUB documents
- printing with "Use original page sizes" no longer centers pages on paper
- reduced size. Installer is ~1MB smaller
- downside: this release no longer supports very old processors without SSE2 instructions. Using SSE2 makes Sumatra faster. If you have an old computer without SSE2, you need to use 2.2.1.

2.2.1 (2013-01-12)
Changes in this release:

- fixed ebooks sometimes not remembering the viewing position
- fixed Sumatra not exiting when opening files from a network drive
- fixes for most frequent crashes and PDF parsing robustness fixes

2.2 (2012-12-24)
Changes in this release:

- add support for FictionBook ebook format
- add support for PDF documents encrypted with Acrobat X
- “Print as image” compatibility option in print dialog for documents that fail to print properly
- new command-line option: -manga-mode [1|true|0|false] for proper display of manga comic books
- many robustness fixes and small improvements

2.1.1 (2012-05-07)
Changes in this release:

- fixes for a few crashes

2.1 (2012-05-03)
Changes in this release:

- support for EPUB ebook format
- added File/Rename menu item to rename currently viewed file (contributed by Vasily Fomin)
- support multi-page TIFF files
- support TGA images
- support for some comic book (CBZ) metadata
- support JPEG XR images (available on Windows Vista or later, for Windows XP the Windows Imaging Component has to be installed)
- the installer is now signed

2.0.1 (2012-04-08)
Changes in this release:

- fix loading .mobi files from command line
- fix a crash loading multiple .mobi files at once
- fix a crash showing tooltips for table of contents tree entries

2.0 (2012-04-02)
Changes in this release:

- support for MOBI eBook format
- support opening CHM documents from network drives
- a selection can be copied to a clipboard as an image by using right-click context menu
- using ucrt to reduce program size

1.9 (2011-11-23)
Changes in this release:

- support for CHM documents
- support touch gestures, available on Windows 7 or later. Contributed by Robert Prouse
- open linked audio and video files in an external media player
- improved support for PDF transparency groups

1.8 (2011-09-18)
Changes in this release:

- improved support for PDF form text fields
- various minor improvements and bug fixes
- speedup handling some types of djvu files

1.7 (2011-07-18)
Changes in this release:

- favorites
- improved support for right-to-left languages e.g. Arabic
- logical page numbers are displayed and used, if a document provides them (such as i, ii, iii, etc.)
- allow to restrict SumatraPDF's features with more granularity; see sumatrapdfrestric.init for documentation
- -named-dest also matches strings in table of contents
- improved support for EPS files (requires Ghostscript)
- more robust installer
- many minor improvements and bugfixes

1.6 (2011-05-30)
Changes in this release:

- add support for displaying DjVu documents
- display Frequently Read list when no document is open
- add support for displaying Postscript documents (requires recent Ghostscript version to be already installed)
- add support for displaying a folder containing images: drag the folder to SumatraPDF window
- support clickable links and a Table of Content for XPS documents
- display printing progress and allow to cancel it
- add Print toolbar button
- experimental: previewing of PDF documents in Windows Vista and 7. Creates thumbnails and displays documents in Explorer's Preview pane. Needs to be explicitly selected during install process. We've had reports that it doesn't work on Windows 7 x64.

1.5.1 (2011-04-26)
Changes in this release:

- fixes for rare crashes

1.5 (2011-04-23)
Changes in this release:

- add support for viewing XPS documents
- add support for viewing CBZ and CBR comic books
- add File/Save Shortcut menu item to create shortcuts to a specific place in a document
- add context menu for copying text, link addresses and comments. In browser plugin it also adds saving and printing commands
- add folder browsing (Ctrl+Shift+Right opens next PDF document in the current folder, Ctrl+Shift+Left opens previous document)

1.4 (2011-03-12)
Changes in this release:

- browser plugin for Firefox/Chrome/Opera (Internet Explorer is not supported). It's not installed by default so you have to check the apropriate checkbox in the installer
- IFilter that enables full-text search of PDF files in Windows Desktop Search (i.e. search from Windows Vista/7's Start Menu). Also not installed by default
- scrolling with right mouse button
- you can choose a custom installation directory in the installer
- menu items for re-opening current document in Foxit and PDF-XChange (if they're installed)
- we no longer compress the installer executable with mpress. It caused some anti-virus programs to falsely report Sumatra as a virus. The downside is that the binaries on disk are now bigger. Note: we still compress the portable .zip version
- -title cmd-line option was removed
- support for AES-256 encrypted PDF documents
- fixed an integer overflow reported by Jeroen van der Gun and and other small fixes and improvements to PDF handling

1.3 (2011-02-04)
Changes in this relase:

- improved text selection and copying. We now mimic the way a browser or Adobe Reader works: just select text with mouse and use Ctrl-C to copy it to a clipboard
- Shift+Left Mouse now scrolls the document, Ctrl+Left mouse still creates a rectangular selection (for copying images)
- 'c' shortcut toggles continuous mode
- '+' / '*' on the numeric keyboard now do zoom and rotation
- added toolbar icons for Fit Page and Fit Width and updated the look of toolbar icons
- add support for back/forward mouse buttons for back/forward navigation
- 1.2 introduces a new full screen mode and made it the default full screen mode. Old mode was still available but not easily discoverable. We've added View/Presentation menu item for new full screen mode and View/Fullscreen menu item for the old full screen mode, to make it more discoverable
- new, improved installer
- improved zoom performance (zooming to 6400% no longer crashes)
- text find uses less memory
- further printing improvements
- translation updates
- updated to latest mupdf for misc bugfixes and improvements
- use libjpeg-turbo library instead of libjpeg, for faster decoding of some PDFs
- updated openjpeg library to version 1.4 and freetype to version 2.4.4
- fixed 2 integer overflows reported by Stefan Cornelius from Secunia Research

1.2 (2010-11-26)
Changes in this relase:

- improved printing: faster and uses less resources
- add Ctrl-Y as a shortcut for Custom Zoom
- add Ctrl-A as a shortcut for Select All Text
- improved full screen mode
- open embedded PDF documents
- allow saving PDF document attachements to disk
- latest fixes and improvements to PDF rendering from mupdf project

1.1 (2010-05-20)
Changes in this relase:

- added book view (“View/Book View” menu item) option. It’s known as “Show Cover Page During Two-Up” in Adobe Reader
- added “File/Properties” menu item, showing basic information about PDF file
- added “File/Send by email” menu
- added export as text. When doing “File/Save As”, change “Save As types” from “ PDF documents” to “Text documents”. Don’t expect miracles, though. Conversion to text is not very good in most cases.
- auto-detect commonly used TeX editors for inverse-search command
- bug fixes to PDF handling (more PDFs are shown correctly)
- misc bug fixes and small improvements in UI
- add Ctrl + and Ctrl – as shortcuts for zooming (matches Adobe Reader)

1.0.1 (2009-11-27)
Changes in this relase:

- many memory leaks fixed (Simon Bünzli)
- potential crash due to stack corruption (pointed out by Christophe Devine)
- making Sumatra default PDF reader no longer asks for admin priviledges on Vista/Windows 7
- translation updates

1.0 (2009-11-17)
Changes in this relase:

- lots of small bug fixes and improvements

0.9.4 (2009-07-19)
Changes in this relase:

- improved PDF compatibility (more types of documents can be rendered)
- added settings dialog (contributed by Simon Bünzli)
- improvements in handling unicode
- changed default view from single page to continuous
- SyncTex improvements (contributed by William Blum)
- add option to not remember opened files
- a new icon for documents association (contributed by George Georgiou)
- lots of bugfixes and UI polish

0.9.3 (2008-10-07)
Changes in this relase:

- fix an issue with opening non-ascii files
- updated Japanese and Brazillian translation

0.9.2 (2008-10-06)
Changes in this relase:

- ability to disable auto-update check
- improved text rendering - should fix problems with overlapping text
- improved font substition for fonts not present in PDF file
- can now open PDF files with non-ascii names
- improvements to DDE (contributed by Danilo Roascio)
- SyncTex improvements
- improve persistance of state (contributed by Robert Liu)
- fix crash when pressing 'Cancel' when entering a password
- updated translations

0.9.1 (2008-08-22)
Changes in this relase:

- improved rendering of some PDFs
- support for links inside PDF file
- added -restrict and -title cmd-line options (contributed by Matthew Wilcoxson)
- enabled SyncTex support which mistakenly disabled in 0.9
- misc fixes and translation updates

0.9 (2008-08-10)
Changes in this relase:

- add Ctrl-P as print shortcut
- add F11 as full-screen shortcut
- password dialog no longer shows the password
- support for AES-encrypted PDF files
- updates to SyncTeX/PdfSync integration (contributed by William Blum)
- add -nameddest command-line option and DDE commands for jumping to named destination(contributed by Alexander Klenin)
- add -reuse-instance command-line option (contributed by William Blum)
- add DDE command to open PDF file (contributed by William Blum)
- removed poppler rendering engine resulting in smaller program and updated to latest mupdf sources
- misc bugfixes and translation updates

0.8.1 (2008-05-27)
Changes in this relase:

- automatic reloading of changed PDFs (contributed by William Blum)
- tex integration (contributed by William Blum)
- updated icon for case-sensitivity selection in find (contributed by Sonke Tesch)
- language change is now a separate dialog instead of a menu
- remember more settings (like default view)
- automatic checks for new versions
- add command-line option -lang $lang
- add command-line option -print-dialog (contributed by Peter Astrand)
- ESC or single mouse click hides selection
- fix showing boxes in table of contents tree
- translation updates

0.8 (2008-01-01)
Changes in this relase:

- added search (contributed by MrChuoi)
- added table of contents (contributed by MrChuoi)
- added many translation
- new program icon
- fixed printing
- fixed some crashes
- rendering speedups
- fixed loading of some PDFs
- add command-line option -esc-to-exit
- add command-line option -bgcolor $color

0.7 (2007-07-28)
Changes in this relase:

- added ability to select the text and copy to clipboard - contributed by Tomek Weksej
- made it multi-lingual (13 translations)
- added Save As option
- list of recently opened files is updated immediately
- fixed .pdf extension registration on Vista
- added ability to compile as DLL and C# sample application - contributed by Valery Possoz
- mingw compilation fixes and project files for CodeBlocks - contributed by MrChuoi
- fixed a few crashes
- moved the sources to Google Code project hosting

0.6 (2007-04-29)
Changes in this relase:

- enable opening password-protected PDFs
- don't allow printing in PDFs that have printing forbidden
- don't automatically reopen files at startup
- fix opening PDFs from network shares
- new, better icon
- reload the document when changing rendering engine
- improve cursor shown when dragging
- fix toolbar appearance on XP and Vista with classic theme
- when MuPDF engine cannot load a file or render a page, we fallback to poppler engine to make rendering more robust
- fixed a few crashes

0.5 (2007-03-04)
Changes in this relase:

- fixed rendering problems with some PDF files
- speedups - the application should feel be snappy and there should be less waiting for rendering
- added 'r' keybinding for reloading currently open PDF file
- added <Ctrl>-<Shift>-+ and <Ctrl>-<Shift>-- keybindings to rotate clockwise and counter-clockwise (just like Acrobat Reader)
- fixed a crash or two

0.4 (2007-02-18)
Changes in this relase:

- printing
- ask before registering as a default handler for PDF files
- faster rendering thanks to alternative PDF rendering engine. Previous engine is available as well.
- scrolling with mouse wheel
- fix toolbar issues on win2k
- improve the way fonts directory is found
- improvements to portable mode
- uninstaller completely removes the program
- changed name of preferences files from prefs.txt to sumatrapdfprefs.txt

0.3 (2006-11-25)
Changes in this relase:

- added toolbar for most frequently used operations
- should be more snappy because rendering is done in background and it caches one page ahead
- some things are faster

0.2 (2006-08-06)
Changes in this relase:

- added facing, continuous and continuous facing viewing modes
- remember history of opened files
- session saving i.e. on exit remember which files are opened and restore the session when the program is started without any command-line parameters
- ability to open encrypted files
- "Go to page dialog"
- less invasive (less yellow) icon that doesn't jump at you on desktop
- fixed problem where sometimes text wouldn't show (better mapping for fonts; use a default font if can't find the font specified in PDF file)
- handle URI links inside PDF documents
- show "About" screen
- provide a download in a .zip file for those who can't run installation program
- switched to poppler code instead of xpdf

0.1 (2006-06-01)
Changes in this relase:

- first version released

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