PDF & Documents

PDF readers, editors, document tools, free limits, and business-use checks.

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Free software at work: license checks before installationFree, open-source, freemium, trial, and personal-use licenses can mean very different things in a company environment.Safe PDF tools: download source, editing limits, and upload riskPDF readers, editors, converters, OCR tools, and online PDF services have different security and licensing trade-offs.New Windows PC essentials: official download checklistA starter sequence for installing browsers, archives, PDF tools, cloud drives, office apps, media tools, and developer utilities from official paths.Adobe Reader vs Foxit vs PDFgear vs SumatraPDFCompare PDF tools for reading, editing, OCR, signing, cloud upload risk, and official download safety.

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Verifiedadobe.com

Adobe Acrobat Reader

Official-source guide for Adobe Acrobat Reader by Adobe. Check the vendor domain, product type, pricing model, and installation cautions before leaving for adobe.com.

PDF & DocumentsFreemiumInstallable appChecked 2026-05-13

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Verifiedfoxit.com

Foxit PDF Reader

Official-source guide for Foxit PDF Reader by Foxit. Check the vendor domain, product type, pricing model, and installation cautions before leaving for foxit.com.

PDF & DocumentsFreemiumInstallable appChecked 2026-05-13

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Verifiedsumatrapdfreader.org

SumatraPDF

Official-source guide for SumatraPDF by SumatraPDF Project. Check the vendor domain, product type, pricing model, and installation cautions before leaving for sumatrapdfreader.org.

PDF & DocumentsOpen-source freeInstallable appChecked 2026-05-13

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Verifiedpdf-xchange.com

PDF-XChange Editor

Official-source guide for PDF-XChange Editor by Tracker Software Products. Check the vendor domain, product type, pricing model, and installation cautions before leaving for pdf-xchange.com.

PDF & DocumentsFreemiumInstallable appChecked 2026-05-13

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Verifiedpdfgear.com

PDFgear

Official-source guide for PDFgear by PDFgear. Check the vendor domain, product type, pricing model, and installation cautions before leaving for pdfgear.com.

PDF & DocumentsFreeApp + web serviceChecked 2026-05-13

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Verifiedsumatrapdfreader.org

Sumatra PDF

Official-source guide for Sumatra PDF by SumatraPDF project. Check the vendor domain, product type, pricing model, and installation cautions before leaving for sumatrapdfreader.org.

PDF & DocumentsOpen-source freeInstallable appChecked 2026-05-13

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Software

PDF & Documents all software

Verifiedadobe.com

Adobe Acrobat Reader

Official-source guide for Adobe Acrobat Reader by Adobe. Check the vendor domain, product type, pricing model, and installation cautions before leaving for adobe.com.

PDF & DocumentsFreemiumInstallable appChecked 2026-05-13

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Verifiedfoxit.com

Foxit PDF Reader

Official-source guide for Foxit PDF Reader by Foxit. Check the vendor domain, product type, pricing model, and installation cautions before leaving for foxit.com.

PDF & DocumentsFreemiumInstallable appChecked 2026-05-13

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Verifiedsumatrapdfreader.org

SumatraPDF

Official-source guide for SumatraPDF by SumatraPDF Project. Check the vendor domain, product type, pricing model, and installation cautions before leaving for sumatrapdfreader.org.

PDF & DocumentsOpen-source freeInstallable appChecked 2026-05-13

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Verifiedpdf-xchange.com

PDF-XChange Editor

Official-source guide for PDF-XChange Editor by Tracker Software Products. Check the vendor domain, product type, pricing model, and installation cautions before leaving for pdf-xchange.com.

PDF & DocumentsFreemiumInstallable appChecked 2026-05-13

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Verifiedpdfgear.com

PDFgear

Official-source guide for PDFgear by PDFgear. Check the vendor domain, product type, pricing model, and installation cautions before leaving for pdfgear.com.

PDF & DocumentsFreeApp + web serviceChecked 2026-05-13

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Verifiedsumatrapdfreader.org

Sumatra PDF

Official-source guide for Sumatra PDF by SumatraPDF project. Check the vendor domain, product type, pricing model, and installation cautions before leaving for sumatrapdfreader.org.

PDF & DocumentsOpen-source freeInstallable appChecked 2026-05-13

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Verifiedokular.kde.org

Okular

Official-source guide for Okular by KDE. Check the vendor domain, product type, pricing model, and installation cautions before leaving for okular.kde.org.

PDF & DocumentsOpen-source freeInstallable appChecked 2026-05-13

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Verifiedpdfsam.org

PDFsam Basic

Official-source guide for PDFsam Basic by Sober Lemur S.r.l.. Check the vendor domain, product type, pricing model, and installation cautions before leaving for pdfsam.org.

PDF & DocumentsOpen-source freeInstallable appChecked 2026-05-13

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Verifiedpandoc.org

Pandoc

Official-source guide for Pandoc by Pandoc. Check the vendor domain, product type, pricing model, and installation cautions before leaving for pandoc.org.

PDF & DocumentsOpen-source freeInstallable appChecked 2026-05-13

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Verifiedtexstudio.org

TeXstudio

Official-source guide for TeXstudio by TeXstudio. Check the vendor domain, product type, pricing model, and installation cautions before leaving for texstudio.org.

PDF & DocumentsOpen-source freeInstallable appChecked 2026-05-13

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Verifiedskim-app.sourceforge.io

Skim

Official-source guide for Skim by Skim. Check the vendor domain, product type, pricing model, and installation cautions before leaving for skim-app.sourceforge.io.

PDF & DocumentsOpen-source freeInstallable appChecked 2026-05-13

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Verifiedtools.pdf24.org

PDF24 Creator

Official-source guide for PDF24 Creator by Geek Software. Check the vendor domain, product type, pricing model, and installation cautions before leaving for tools.pdf24.org.

PDF & DocumentsFreeApp + web serviceChecked 2026-05-13

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Verifiedqpdf.sourceforge.io

QPDF

Official-source guide for QPDF by QPDF Project. Check the vendor domain, product type, pricing model, and installation cautions before leaving for qpdf.sourceforge.io.

PDF & DocumentsOpen-source freeInstallable appChecked 2026-05-13

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Verifiedocrmypdf.readthedocs.io

OCRmyPDF

Official-source guide for OCRmyPDF by OCRmyPDF Project. Check the vendor domain, product type, pricing model, and installation cautions before leaving for ocrmypdf.readthedocs.io.

PDF & DocumentsOpen-source freeInstallable appChecked 2026-05-13

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Verifiedgithub.com

PDF Arranger

Official-source guide for PDF Arranger by PDF Arranger Project. Check the vendor domain, product type, pricing model, and installation cautions before leaving for github.com.

PDF & DocumentsOpen-source freeInstallable appChecked 2026-05-13

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Verifiedxournalpp.github.io

Xournal++

Official-source guide for Xournal++ by Xournal++ Project. Check the vendor domain, product type, pricing model, and installation cautions before leaving for xournalpp.github.io.

PDF & DocumentsOpen-source freeInstallable appChecked 2026-05-13

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Verifiedghostscript.com

Ghostscript

Official-source guide for Ghostscript by Artifex. Check the vendor domain, product type, pricing model, and installation cautions before leaving for ghostscript.com.

PDF & DocumentsOpen-source freeInstallable appChecked 2026-05-13

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Verifiedscribus.net

Scribus

Official-source guide for Scribus by Scribus Project. Check the vendor domain, product type, pricing model, and installation cautions before leaving for scribus.net.

PDF & DocumentsOpen-source freeInstallable appChecked 2026-05-13

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Verifiedgithub.com

pandoc-crossref

Official-source guide for pandoc-crossref by pandoc-crossref Project. Check the vendor domain, product type, pricing model, and installation cautions before leaving for github.com.

PDF & DocumentsOpen-source freeInstallable appChecked 2026-05-13

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Category verification principles

Check the official domain separately from the final download/app-access path.
When free, paid, and business-use terms differ, labels stay conservative.
Official download buttons are kept separate from any ad or affiliate areas.