Apps similar to Qoppa PDF Studio include Okular, which is free and open source. Other options are Foxit PDF Reader, PDF-XChange Editor, PDFsam Basic and MuPDF. PDF Readers like Qoppa PDF Studio are a crowded field, with more than 100 alternatives for Windows, Mac, the web, Android and iPhone.
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.
Quality-control software for architectural drawing sets - mark up issues, assign fixes, verify and close, with a full audit trail.
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United States
Local Windows tool for adding clean handwritten signatures, stamps, text and quick page fixes to PDF files without cloud upload.
Netherlands
EU
Offline Windows PDF toolkit for viewing, filling, signing, organizing, converting, protecting, searching, and printing PDF documents.
Ghana
ReamPDF is a desktop PDF toolkit built for speed and simplicity. Merge, split, compress, and convert PDFs without uploading your files to the cloud. The Convert tool accepts images including WebP, a format most PDF tools don't support.
Australia
PDF Editor Pro is a lightweight, native Windows app for editing PDF files — no subscription, no cloud. Merge multiple PDFs, split by page range, rotate pages, compress file size, add/remove password protection, and reorder pages via thumbnail view.
Türkiye
Free, privacy-first collection of 95+ PDF tools that process files entirely in your browser using WebAssembly. No uploads required - your documents never leave your device.
This desktop app reads and writes PDF documents. It was created for a small copy shop in Germany. Features of this application are:
GermanyEU
Split, merge, compress, watermark, Bates-number, password-protect, sign and scan PDFs. One app, bought once. Nothing uploaded. Every PDF it writes is verified.
A powerful, privacy-respecting PDF editor built for Linux users. Edit, annotate, merge, and manage PDF documents—without subscriptions or cloud dependencies.
United States
Ultra PDF Merger is a freeware PDF utility that joins your PDF files, or part of them, together. It is a windows application and it runs on both 32bit and 64bit systems. Ultra PDF Merger is portable which means you don’t have to install anything, just download it, extract its...
