Apps similar to PDF4QT include SumatraPDF, which is free and open source. Other options are Okular, Foxit PDF Reader, PDF Arranger and PDFgear. There's no shortage of PDF Editors like PDF4QT, with more than 100 alternatives for Windows, Mac, Linux, the web and Android.
Free 4.6 MB PDF viewer for Windows and macOS that just opens. Tabs, search, page editing, dark mode, annotations, signatures. Zero network calls.
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Hexye PDF Tools is a fast, privacy-focused online suite for editing PDFs — split, rotate, merge, and more — directly in your browser without uploading files.
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Revolutionize PDFs for free! Try PDFPro: advanced editing, annotating, converting, signing. Premium tools, cloud support, secure.
STDU Converter helps you convert DjVu, TIFF, DCX and Comic Book Archive (CBR or CBZ) to PDF by two clicks. You need only select source file and choose location for destination file.
Discover Feather PDF, the ultimate PDF editor that prioritizes your privacy. Enjoy powerful editing features without data collection and gain lifetime access with a one-time payment.
Are you looking for an easy way to manage your PDFs? Our tool makes it effortless to merge files and extract pages with just a few clicks.
A privacy-first PDF tool suite that processes files entirely in your browser. Merge, split, and convert PDFs without ever uploading them to a server.
A powerful, privacy-respecting PDF editor built for Linux users. Edit, annotate, merge, and manage PDF documents—without subscriptions or cloud dependencies.
United States
Revit view-graphics editor in one dockable panel — control colors, patterns, lines, transparency and visibility overrides without digging through dialogs. Eyedropper, custom palettes, view-template and per-element modes.
A free-floating 2D Canvas for processing multiple PDF files simultaneously.
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SmallPDFfree offers a free online suite for all your big and small PDF needs. Access a suite of powerful, user-friendly tools that can merge, split, compress, convert, and edit your PDF files.
