A free web app providing 200+ online tools for developers, including JSON formatters, PDF mergers, code converters, data generators, and more—no signup required.
Cost / License
- Free
- Proprietary
IndiaPlatforms
- Online
Stirling PDF Alternatives
Stirling PDF is described as 'Locally hosted tool with an interactive GUI for merging, splitting, reorganizing, compressing, converting, watermarking, and securing PDF files' and is a popular PDF Reader in the office & productivity category. There are more than 100 alternatives to Stirling PDF for a variety of platforms, including Web-based, Windows, Mac, Android and Linux apps. The best Stirling PDF alternative is SumatraPDF, which is both free and Open Source. Other great apps like Stirling PDF are Foxit PDF Reader, PDF Arranger, PDFgear and PDF24 Creator.
filter to find the best alternatives
Stirling PDF alternatives are mainly PDF Editors, but if you're looking for PDF Readers or PDF Printers you can filter on that. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to Stirling PDF.
Alternatives list
Nux Convert is an all-in-one, privacy-focused web app for file conversion, compression, and AI-powered editing, with all processing done 100% locally in your browser.
Cost / License
- Free
- Proprietary
Platforms
- Online
+3
LocallyTools is a free local toolbox, offering various practical tools such as image compression, PDF processing, developer tools, etc. 100% local processing, zero upload, zero risk, fully protecting privacy and security. Supports offline use, no registration required.
Cost / License
- Free
- Proprietary
Platforms
- Online
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.
Cost / License
- Free
- Proprietary
Platforms
- Online
QwikPDF is a free, all-in-one online PDF tool to edit, merge, convert, and sign PDFs instantly—no downloads, no watermarks, no limits.
Docqify merges JPG, PNG, WEBP, HEIC, BMP and GIF into a single PDF, and does the entire conversion inside your browser using your device's own processor. Nothing is uploaded, because there is no server to upload to.
Cost / License
- Free
- Proprietary
Platforms
- Online
+4
Unlock password-protected PDFs with device biometrics, store credentials locally using AES-256 encryption, sign or fill forms, annotate, merge, split documents, search contents, convert pages to images, compress, auto-label files, no tracking, fully offline access.
+5
Bindery is a privacy-focused, fully offline PDF toolkit for Android. Every core tool — multi-signature booklet imposition, merging, page management, rotation, numbering, watermarking, and perspective-corrected photo scanning — runs 100% locally on your device's CPU.
+2
ToolWaves is a free online toolbox that brings together a wide range of practical utilities in one place. From PDF editing and text processing to image manipulation, file conversion, and calculators, everything is designed to be fast, reliable, and easy to use.
Cost / License
- Free
- Proprietary
Platforms
- Online
Looking for a powerful, free PDF utility that works offline and leaves no watermarks? ComposePDF Pro is your all-in-one solution for seamless PDF management directly on your device. Easily merge, convert, protect, organize, and manipulate your PDF documents without needing an...
Cost / License
- Free
- Proprietary
Platforms
- Android
+9
A web-based, all-in-one PDF editor that lets users upload, edit, annotate, sign, merge, split, and convert PDF and other file formats (DOC, DOCX, JPG, PNG), all in a secure, browser-based interface.
PDFLince is a privacy-first PDF toolkit that runs entirely in your browser. Unlike other tools, it does not upload your files to any server, all processing (merging, compressing, splitting, converting) happens locally on your device.
Italy
EU
United Arab Emirates
