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Sumatra PDF

Sumatra PDF is a free and open-source document viewer that supports many document formats including: Portable Document Format (PDF), Microsoft Compiled HTML Help (CHM), DjVu, EPUB, FictionBook (FB2), MOBI, PRC, Open XML Paper Specification (OpenXPS, OXPS, XPS), and Comic Book Archive file (CB7, CBR, CBT, CBZ). If Ghostscript is installed, it supports…

Literary Connections, History & Works

Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.

Research this topic

Explore the main themes, entities and connections around Sumatra PDF. Start with the topic map, then use the sections below for research and deeper semantic analysis.

Explore this topic

Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Available in
Multilingual
Developers
Krzysztof Kowalczyk, Simon Bünzli, and others
License
GNU General Public License v3
Operating system
Windows Vista and newer
Original author
Krzysztof Kowalczyk
Preview release
3.7.18454 / 21 May 2026; 3 months ago (2026-05-21)

Topics to explore

Browse the full topic structure. Each item opens a new analysis centered on that subject.

Overview

Features

Development

History

Name and artwork

Critical reception

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

Map overview Semantic statistics

Sumatra PDF

Nodes65
Edges64
Triples47
Avg. degree1.97
Density0.030769
Components1

How this topic connects Entity context

See the strongest relationship patterns around the current topic before diving into the raw triples.

Sumatra PDF

Top relations

related to history · 12
Sumatra PDF → August, GNU GPLv2, GNU GPLv3, In, In July, It, June, MuPDF, Poppler, The, Windows, Xpdf
related to Development · 10
Sumatra PDF → As, Krzysztof Kowalczyk, ME, Microsoft Visual Studio, Simon Bünzli, Sumatra, Support, The, Windows, Windows XP
related to Critical reception · 9
Sumatra PDF → As, At, February, Free Software, Free Software Foundation Europe, Heiki Ojasild, Sumatra, SumatraPDF, Unrar
Size · 3
Sumatra PDF → 10.5 MB (64-bit), 9.69 MB (32-bit), 9.87 MB (ARM64)
Available in · 1
Sumatra PDF → Multilingual
Developers · 1
Sumatra PDF → Krzysztof Kowalczyk, Simon Bünzli, and others
License · 1
Sumatra PDF → GNU General Public License v3
Operating system · 1
Sumatra PDF → Windows Vista and newer
Original author · 1
Sumatra PDF → Krzysztof Kowalczyk
Preview release · 1
Sumatra PDF → 3.7.18454 / 21 May 2026; 3 months ago (2026-05-21)

Important terminology Word statistics

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

sumatra version pdf portable released 64-bit windows supports sumatrapdf mupdf support software source code official free open-source file microsoft 32-bit

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Sumatra PDFAvailable inMultilingual1.00infobox
Sumatra PDFDevelopersKrzysztof Kowalczyk, Simon Bünzli, and others1.00infobox
Sumatra PDFLicenseGNU General Public License v31.00infobox
Sumatra PDFOperating systemWindows Vista and newer1.00infobox
Sumatra PDFOriginal authorKrzysztof Kowalczyk1.00infobox
Sumatra PDFPreview release3.7.18454 / 21 May 2026; 3 months ago (2026-05-21)1.00infobox
Sumatra PDFRelease1 June 2006; 20 years ago (2006-06-01)1.00infobox
Sumatra PDFRepositorygithub.com/sumatrapdfreader/sumatrapdf1.00infobox
Sumatra PDFSize9.69 MB (32-bit)1.00infobox
Sumatra PDFSize10.5 MB (64-bit)1.00infobox
Sumatra PDFSize9.87 MB (ARM64)1.00infobox
Sumatra PDFStable release3.6.1 / 6 April 2026; 4 months ago (2026-04-06)1.00infobox
Sumatra PDFTypeDocument viewer1.00infobox
Sumatra PDFWebsitesumatrapdfreader.org1.00infobox
Sumatra PDFWritten inC, C++1.00infobox
Sumatra PDFis afree and open-source document viewer that supports many document formats including0.90text

Related concept clusters Concept neighborhoods

These clusters group vocabulary that occurs around closely connected concepts in the source material.

    Connections between topic areas Semantic bridges

    Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.

    Min side: 3
    For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.