Apps similar to Stirling PDF include SumatraPDF, which is free and open source. Other options are Foxit PDF Reader, PDF Arranger, PDFgear and PDF24 Creator. There's no shortage of PDF Editors like Stirling PDF, with more than 100 alternatives for the web, Windows, Mac, Linux and Android.
A free, open-source online file converter and compressor for images, documents, audio and video — privacy-first, no account required, and fully self-hostable.
Germany
EU
OfflineForge is a privacy-focused Windows application for converting and managing documents entirely on your own computer. It converts Excel, Word, and PowerPoint files to PDF without uploading them to a cloud service, making it especially suitable for sensitive business...
GermanyEU
Reader Split PDF is the simplest, fastest way to split any PDF on your Mac — and it never sends your file anywhere.
SpainEU
Desktop PDF software for reading and annotating documents, filling supported AcroForm fields, creating custom fields, and organizing pages. Insert pages from other PDFs, reorder, rotate, remove, or extract them, then save and reopen assembled documents across Windows, macOS, and Linux.
United States
FixMyPDF is a free, professional-grade PDF toolkit that works entirely within your browser for complete privacy and security. It offers 70+ PDF tools for converting, compressing, protecting, editing, merging, splitting, watermarking, and optimizing PDFs—along with advanced...
Free browser-based tools for PDF, image & data processing. 100% client-side - your files never leave your device. No limits, no watermarks.
