PDF Reader Sumatra 3.4: new command palette and support for translations

Martin Brinkmann
May 26, 2022
Updated • May 26, 2022
Windows software
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The developer of the lightweight PDF reader Sumatra released Sumatra 3.4 to the public. The new release is the first of 2022, and it adds several new features and improvements to the application.

sumatra-pdf-reader-3.4

Note: shortly after releasing Sumatra 3.4, Sumatra 3.4.1 was released, which includes a single fix.

Sumatra 3.4.1 is available as a portable version and an installer for Microsoft Windows. Downloads are provided on the developer website as usual.

Sumatra is a lightweight open source PDF reader for Windows. It is a popular choice when it comes to reading PDF documents on Windows.

Sumatra 3.4

sumatra translate

Sumatra 3.4 adds a number of new features and improvements to the PDF reader. Users find the new text translate feature under Menu > Selection. The initial version supports Google Translate and DeepL, but it is possible to add custom translation services to the application.

All it takes is to select text, and then one of the available translate options. Sumatra opens the translated text on the service's website.

Users may add custom translate options under Settings > Advanced Settings; this opens the configuration file in a text editor. The SelectionHandlers section accepts new services, but it requires a bit of detective work to configure these services properly.

While you need to add two parameters only for each service, URL and Name, it is necessary to manipulate the URL to make sure that it includes the selection variable.

Here is how this would look like for DuckDuckGo:

SelectionHandlers [
[
URL = https://duckduckgo.com/?ia=web&q=${selection}
Name = &DuckDuckGo
]
]

Basically, what you need to do is copy the target URL of the service and replace the query with the ${selection} parameter.

Sumatra 3.4 introduces support for custom keyboard shortcuts and for the remapping of existing keyboard shortcuts; this is done using the configuration file as well under Settings > Advanced Settings.

The Shortcuts section of the file handles custom keyboard shortcuts. For each, Cmd and Key variables need to be set. The Cmd parameter accepts any of the supported commands, e.g., CmdBookView, which you find listed here on this page.

The key variable accepts single keys and key combinations, e.g., Alt-I or q.

Command Palette

sumatra command palette

The new Command Palette unlocks all functions of the PDF reader when it is opened. It may be used to open recently opened PDF documents quickly, to switch between tabs, and to invoke any of the available commands that Sumatra supports.

Open the Command Palette via Menu > View > Command Palette, or by using the keyboard shortcut Ctrl-K. You may browse the available selection of commands or type to filter available commands and options.

Users who prefer the keyboard can use the Command Palette using the keyboard only.

Other changes in Sumatra 3.4

Here is a list of other changes in the new Sumatra version:

  • Epub documents support text selections and searching now.
  • Installer supports the -all-users command line argument to install Sumatra system-wide.
  • Keyboard shortcut i inverts document colors, while Shift-I shows the page numbers.
  • Pressing Delete or Backspace removes annoations under the mouse cursor.
  • SVG files are supported.
  • Support for opening .heic files, if the heic codec is installed.
  • Scrolling is faster if the mouse cursor is over the scrollbar.
  • Experimental support for smooth scrolling added (enable in Advanced Settings).

Closing Words

Sumatra is a well designed PDF reader for Windows. While it can only be used to view documents, it does a stellar job at that. Our first review of Sumatra dates back to 2008.

Now You: which PDF reader do you use?

Summary
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Author Rating
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5 based on 5 votes
Software Name
Sumatra PDF Reader
Operating System
Windows
Software Category
Office
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Comments

  1. Dwight Stegall said on January 2, 2020 at 10:12 am
    Reply

    I love auto-playing videos. It saves me a thousand clicks a day.

    1. Claymore said on January 2, 2020 at 2:09 pm
      Reply

      And probably costs your a good amount of data, if you don’t have a good plan. Better would be an opt-in than opt-out.

  2. cobalt said on January 2, 2020 at 2:58 pm
    Reply

    I hate auto-playing videos. Never click on them. Never watch them. Just one more manic marketing/advertising ploy that is rampant on the internet, to grab your attention intrusively, greedily, and glaringly obnoxiously. Second worst is those stupid timed pop-ups to get you to sign-up for something. No wonder so many people have screwed up attention spans.

  3. ULBoom said on January 2, 2020 at 10:21 pm
    Reply

    Telegram is introducing Telepathic Videos, they play in your head and can’t be stopped unless you turn off the app, put the device in your freezer (no signal, batteries die quickly) then go outside into reality. Scary proposition but definitely worth trying.

  4. Peterc said on January 4, 2020 at 4:03 am
    Reply

    I appreciate the tip, Ashwin — thanks!

  5. Anonymous said on January 7, 2020 at 6:02 pm
    Reply

    i fucking hate autoplaying videos

    1. fiighi said on May 14, 2020 at 5:24 pm
      Reply

      YESSSS! :))))

  6. Anonymous said on March 16, 2020 at 12:10 pm
    Reply

    Thanks!
    Quick, concise and effective instructions!

  7. fhjhj said on May 14, 2020 at 5:23 pm
    Reply

    Thank you so much!

  8. 01101001b said on August 30, 2020 at 11:14 pm
    Reply

    You saved my life. Thank you! =)

  9. Daniel Gonzalez said on October 9, 2020 at 4:37 pm
    Reply

    Thanks a lot for the tip!

  10. stuzzngton botulism said on March 3, 2021 at 12:01 pm
    Reply

    Unfortunately there’s still no way to stop an autoplaying video once you’ve started it. So you get to choose; either don’t watch it at all… or watch it looping for all eternity.

    More great UI design from your friendly neighbourhood Telegram devs. The people who brought you “no scrollbars on OSX” and “allowing other people to remotely delete data on your devices”

    1. Space Lord said on December 3, 2022 at 1:42 am
      Reply

      Not true, at least not on my Telegram desktop PC setup; I started playing a video that I couldn’t find a way to stop playing in a loop over and over again, which led me to find this article.

      I followed the article’s instructions and toggled off the autoplay for videos and GIFs for all three categories, Private, Group and Channel, and once I did that and saved the settings the previously perma-looping video stopped and the UI was replaced with a blank window and a ‘Play’ symbol.

  11. Sashka said on December 11, 2021 at 9:02 pm
    Reply

    Thanks a lot!

  12. Jo said on January 16, 2023 at 12:51 am
    Reply

    Thank you, someone posting some disturbing surgery stuff in a group and I’m not keen on having it replay over and over.

  13. Michal said on August 6, 2023 at 1:53 pm
    Reply

    Thank you! They really went out of their way to hide this setting, didn’t they. I wonder if that was just incompetence, or outright malice.

  14. 🔞 said on August 22, 2023 at 10:23 am
    Reply

    Hmm, on the website it states: “There’s no shady stuff as 100% of the website is open source.” No, it required some scripts for the basic website to even load… It can be classified as untrustworthy and poor quality design.

    Martin, where do you predict this post will be sent today, will it reach the correct thread or be redirected to some random thread on AI, Social media fads, or be tapped onto a long debate on browser bug comments. Your visitor comments database is kaput! :-/

    1. 🔞 said on August 22, 2023 at 3:50 pm
      Reply

      Martin, the [#comment-4572556] post did weirdly redirect to: [https://www.ghacks.net/2023/08/14/is-beeper-safe/] and now it seems to be back in the correct “.sexy” thread. Maybe it’s a homing pigeon.

      However, the last (currently) visible response to the “Wi-Fi” thread, instead nested in the “beeper” one. It also looks like the other posts people made in that “wireless” thread, migrated south and flew into others threads. It’s like Russian roulette with replies trying to reach the right destination nowadays – around here.

  15. 12bytes said on August 22, 2023 at 12:58 pm
    Reply

    privacy.sexy may not be a great resource – for example, one of the scripts in the ‘configure programs’ scripts for Firefox enables ‘privacy.firstparty.isolate’ – FPI is obsolete and has been replaced with dFPI which can be enabled in ‘preferences > privacy & security > enhanced tracking protection’ by selecting the ‘strict’ option

    another script disables WebRTC to prevent IP leakage (VPN, etc.) – this is apparently no longer necessary (see ‘[SECTION 2000]’ of the arkenfox js)

  16. Kalmly said on August 22, 2023 at 4:37 pm
    Reply

    Somebody should really do something about the comments chaos. Random dates and topics. Is AI running gHACKS?

  17. Doc Fuddled said on August 22, 2023 at 5:32 pm
    Reply

    Yet another topic with unsynced responses. I sure hope a solution is found soon.
    Martin, if this website is really yours, perthaps, we need some “command decisions” from you to get it back on track??

  18. Mystique said on August 23, 2023 at 8:18 am
    Reply

    I have reached out to Martin personally and to his credit he replied very quickly. He has informed me that they are aware of the problems and are attempting to fix it.

    Martin is no longer involved in the technical management of the site so I imagine if we want to ask someone then our comments would perhaps be better directed towards Softonic.

  19. Anonymous said on August 27, 2023 at 4:25 am
    Reply

    Love stuff like this.

  20. Helmholz Watson said on September 8, 2023 at 2:04 am
    Reply

    PORTMASTER

    I stopped using this because it doesn’t prevent DNSAPI.dll from allowing the PC to make sneaky connections to Micro$oft. I put my Acrylic M$ blocklist into the Custom Filter option but it Micro$oft URLs would still bypass it (and of course the regular Hosts file).

    Back to Acryllic and Tinywall! Most people don’t care about M$ spying on them, but some of us still do. So even though Portmaster ‘owns’ port 52, it still let’s DNSAPI.dll over-ride one’s privacy options.

    Oh, the irony!

  21. Helmholz Watson said on September 8, 2023 at 2:05 am
    Reply

    *Sorry- Port 53 of course, and Acrylic!!

  22. owl said on September 9, 2023 at 1:37 pm
    Reply

    @Martin Brinkmann,

    I am the first posted to this (2023/09/09: Notepad++ 8.5.7 fixes 4 security issues) article.
    All of the existing comments are about other articles unrelated to “This article published on 2023/09/09: Notepad++ 8.5.7 fixes 4 security issues.”
    Should relink them all properly.

    1. owl said on September 9, 2023 at 1:49 pm
      Reply

      @Martin Brinkmann,

      You mentioned that comment associations have been “fixed”. but The actual situations are still associated with other articles.
      Below is my case,
      Posted to:
      Notepad++ 8.5.7 fixes 4 security issues: 2023/09/09:
      >> ghacks.net/2023/09/09/notepad-8-5-7-fixes-4-security-issues/#comment-4573427
      Linked to:
      How to disable autoplay videos in Telegram Desktop: 2020/01/02
      >> ghacks.net/2020/01/02/how-to-disable-autoplay-videos-in-telegram-desktop/#comment-4573427

  23. Johnny said on September 11, 2023 at 12:19 pm
    Reply

    Disheartening news for me, as I really rely on SUMO for the updates for the last 5 years or so.

    Others I tried–even ones with big brand names–are junks compared to how extensive and useful SUMO’s features are.

    Anyone can recommend a list of 2-3 softwares at par with SUMO? Thank you.

  24. Artem S. Tashkinov said on September 11, 2023 at 4:07 pm
    Reply

    That’s very sad news.

    I’ve always been a fan of SUMO and DUMO but I’ve not used any of their other applications.

  25. Belga said on September 11, 2023 at 4:23 pm
    Reply

    I purchased a lifetime license of Sumo in 2018 and I was very satisfied with this program.
    There are not many alternatives and those that exist are not as effective.
    See alternatives here : https://alternativeto.net/software/sumo/
    Secunia was also abandoned some time ago.

  26. VioletMoon said on September 11, 2023 at 4:46 pm
    Reply

    Odd . . . many of their programs were updated within 2023:

    https://www.kcsoftwares.com/?download

    I haven’t used any of their products, but I have a bookmark to the site. Chances are good that Major Geeks will archive all the products, a sort of repository for KC Software.

  27. h said on September 11, 2023 at 6:59 pm
    Reply

    Bummer!

  28. ilev said on September 11, 2023 at 7:36 pm
    Reply

    There in no alternative to SUMo which scans for software on all drives and support portable apps.

    1. Anonymous said on September 11, 2023 at 10:04 pm
      Reply

      There are many alternatives to SUMO.
      https://alternativeto.net/software/sumo/
      Whether they cover as many programs is the problem.

    2. Hiber Hernandez said on September 12, 2023 at 3:40 am
      Reply
  29. Karlston said on September 11, 2023 at 8:41 pm
    Reply

    Sad news indeed. Been using SUMo for a long time.

    As mentioned, an article about alternatives would be welcome.

    Kaspersky will be happy, they’ve been flagging SUMo as “incompatible software” for years, only because it competes with their KIS’s Software Updater junk. No “Ignore” option for their blatant anti-competitive deceit. Of course.

    What’s with all the old unrelated posts crap? @Martin Brinkmann can you please get rid of that time-wasting nonsense, it makes reading and finding genuine comments a serious PITA!

  30. Sputnik said on September 11, 2023 at 9:05 pm
    Reply

    Very sad news indeed.

    Before SUMo I was using WebMon, a free software which was monitoring web sites for changes and it was very good, but the software was discontinued and stopped working correctly on https sites for which it was not programmed.

    I think that I will return to this kind of software, I am actually trying the free version of “WebSite-Watcher” which is a shareware, and I’ll try to find some other softwares of this kind.

    Actually this is the only kind of software which would be able to “find” new versions for installed softwares but also for portable softwares.

    1. Lemegeton said on September 12, 2023 at 8:21 am
      Reply

      Under: https://www.ghacks.net/2023/09/11/kc-softwares-maker-of-sumo-and-other-apps-is-shutting-down/

      to:Sputnik
      >Before SUMo I was using WebMon, a free software which was monitoring web sites for changes and it was very good, but the software was discontinued and stopped working correctly on https sites for which it was not programmed.

      There is modern recreation of WebMon, which support https (and a number of other additional features), called WebChangeMonitor:
      https://sourceforge.net/projects/webchangemon/

      Also, in addition, I can recommend a somewhat similar program Ketarin (HP: ketarin org) – it has not been updated for quite a while (but not as long as WebMon), but is fully functional. Its plus is that it can also download files (in fact, this is its main function – after detecting changes, like WebMon, download a given updated file). Everything must be configured manually, as in WebMon, so as an alternative to SUMO may not be for everyone, but for someone who used WebMon – very much so.

      1. Sputnik said on September 12, 2023 at 1:56 pm
        Reply

        @Lemegeton

        Thank you very much for this info, I will check both of these programs !

  31. Anonymous said on September 11, 2023 at 10:01 pm
    Reply

    I prefer alert of new versions rather than manual updating so the installer/portable app can be scanned via VirusTotal before installation. SUMO gave the alert and a right-click option to open the app folder, which was all I ever used.

    Wingetui is an alternative to SUMO but it is not as comprehensive. It misses seeing some of my software. The article above mentions ‘several good alternatives’. Alternativeto lists a lot but lacks https://alternativeto.net/software/sumo/ but does not give thorough reviews.

  32. Anonymous said on September 11, 2023 at 10:23 pm
    Reply

    Has anyone experience with the free version of IObit Software Updater?

    (Yes I know that IO does everything to overwhelm your PC, and Malwarebytes is still very angry/aggressive towards IO, but they have some very good (free) programs, and you can rely on that they are not one-man-projects).

    1. Anonymous said on September 12, 2023 at 1:52 pm
      Reply

      I have tried it. It sneaky installs a brunch of other programs which causes an almost uncontrollable chaos. So not advisable (through the updater program itself seems to be very functional).

  33. Anonymous said on September 11, 2023 at 11:15 pm
    Reply

    Sad to see this. I enjoyed using SUMO over the years! Thank you KC Softwares for all the great applications.

  34. Wuwu said on September 11, 2023 at 11:57 pm
    Reply

    I prefer alert of new versions rather than manual updating so the installer/portable app can be scanned via VirusTotal before installation. SUMO gave the alert and a right-click option to open the app folder, which was all I ever used.

    Wingetui is an alternative to SUMO but it is not as comprehensive.

    Ketarin (https://ketarin.org/index.php) looks interesting and I just downloaded this morning to start tinkering. It takes a bit of work to configure each piece of software. When first run it downloads the software on each link. Subsequently, it downloads new versions. It is portable, so you could load it plus downloads onto a USB stick and use it to install the same apps on different (compatible) computers.

    https://www.ghacks.net/2008/11/22/keep-software-installers-up-to-date/

  35. Anonymous said on September 12, 2023 at 6:01 am
    Reply

    Sorry to hear about SUMO.

    Patch My PC is another alternative.

    Plus winget, or WingetUI

  36. Belga said on September 12, 2023 at 10:35 am
    Reply

    The new version (10) of uCheck now allows mentioning custom locations.
    I did a test with installer and portable version, but without success.
    I asked their support if this option is reserved for the paid version.

    1. Belga said on September 17, 2023 at 7:58 am
      Reply

      Their answer:
      “Hi,
      Thanks for your message.
      Yes it should be scanned in the Free version as well. However, it’s just client capability for now.
      We are in the process of adding portable links in our database right now, so it’s normal if there’s very few (or not) software found in these locations.”

      ?

  37. Ty said on September 12, 2023 at 3:06 pm
    Reply

    Sad, SUMP was by far the best program for finding the latest updates, even for obscure apps. Would like to see them open source their entire line up, so someone else can take up the torch! Would be sad to see it go down to no good end! Thank you SUMO for all the good work you’ve done for the public good!

  38. Anonymous said on September 14, 2023 at 8:07 pm
    Reply

    Just used SUMo, Patch My PC, and winget.
    SUMo found 9 major, and 16 minor updates
    Patch My PC found 8 updates
    winget found 11

    False negatives: determines there was no update, when in fact there is an update

    False positive: determines there is an update, when in fact there is no update

    winget has a lot of issues.
    False negative: it didn’t list updates for Chrome, and Thunderbird
    Also had one false positive, i.e., there was an update when in fact it doesn’t exist.

    The Microsoft C++ Redistributable updates leave old ones behind, so winget reports then out of date.

    There was a false positive for Patch My PC.

    SUMo is the most comprehensive and accurate of the three products tested.
    I did not find any false positives or false negatives.

    I originally used Secunia to check for updates until is was discontinued.

  39. Anonymous said on September 18, 2023 at 2:52 am
    Reply

    Just ran SUMo, Patch My PC, and winget.

    Both SUMo and Patch My PC found an update for LibreOffice, but the winget upgrade command missed it.

    The winget list command shows LibreOffice, but no update.

  40. Nilavazhagan R said on September 29, 2023 at 11:24 pm
    Reply

    Damn,searched about “what is portmaster by gnu” though i downloaded it days ago,but i forgot the reason,then came to this article,scrooling to see content covered like ~40% then scroll to why to see and wow,lot of comments :)

    though its good practice to keep them in least showing some count,click for more,still this one load for all time saves Data for everyone (+ saving server loading for you site owner)

    @Helmholz Watson thank you,i would have installed that software,which still in setup waiting for my permission
    I saw it saved at drive:c by default,but i try to store most tools in other drives to save storage,got irk/uncomfort,to saerch over it & now i am here

    well,thin about it,if a software installed on windows,which is the runner of all,like which would stay safe?
    other hand there’s backdoors from hardware level (intel laughs with partywine with agencies) and then what?
    there goes even more,from networks to most of internet
    whether we go by our favor (influenced by media propaganda,social cultural changing with time,economy,etc,.) or by limitted data (known censorship,*politics,elite families,how about give them their own sins back * 02:41),its like we happily dive in the cliff like the sheeple or by pushed to keep in “control” (now the readers,fellow human beings can see the scenario)
    then what to do?
    simple,dont rely on anything too much :)
    ready to question our own beliefs,like when we have a passion,like singing,we criticize,encourage,guide ourselves in split seconds continuously internally,leads to well growth
    just like that,think wisely,live well,grow,build your life,dont fall to lies,traps,teach others,like teaching the method to light :) (freethink!)

    even while i type,windows 10/hp (15db worse model made purposedly) laptop gives me auto fill recommendations,what to say ;)

    gotta become well in life to be fully indepemdent to own our life fully,until then its all learning & trying,
    until the next time,
    pass good to the world,like someone walked steps became a path for many people regardless of time,we can be like that,without expecting back (some good in life,giving back to world,as its the great fukffiling thing for a human as a social being with top of nature)
    wish all be well :)
    from kallakurichi,TN,India
    30.09.2023 02:38*42 extra,check am ist

    edit:
    i fell there’s a bug or some minor issue in webpage,cause this article is from may 2023,while my comment goes to jan 202 article of “how to disable auto play videos at telegram”
    https://www.ghacks.net/2022/05/16/first-look-at-portmaster-an-open-source-cross-platform-network-monitor/
    Dear Martin,please check it
    we know you have much work,issues,tasks to care of daily life (living is tougher since covid era),still to save future chaos + better management :)
    Thank you
    wish all be well :)
    (wish my comment stay here,while i randomly fogor shift+ key with enter+ key for symbols)
    30.09.2023 02:52/53(not speed,just waited) am ist

  41. No name brand said on September 30, 2023 at 2:56 am
    Reply

    Arch Linux weekly data collection app is not installed, this is good news. Version 1.2.4 breaks wifi auto login. Not a good idea to run scripts for FF. What we did, is copy all the -rm and sudo -rm cmd lines and run them one shot.

    Good app and about time we have something to clean Linux junk. Thanks for sharing mate,

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