iLovePDF is a comprehensive online PDF tool that allows users to merge, split, compress, convert, and edit PDF files.
Freemium model with paid plans available
Best Stirling PDF Alternatives ranked by AI · updated Aug 2026
Stirling PDF is an open-source PDF toolkit that can be self-hosted or used through hosted deployments. It supports merging, splitting, extracting, converting, OCR, and other document operations for privacy-conscious users and technical teams.
Top 6 Stirling PDF alternatives
PDFsam Basic is a free and open-source desktop application designed to split, merge, rotate, extract pages, and mix PDF files.
Geekersoft PDF Converter Online is a browser-based service for converting PDFs to and from formats such as Word, Excel, PowerPoint, and images....
Pros
- Supports common PDF-to-document and PDF-to-image conversions
- Runs in a browser without a desktop installation
- Simpler than full PDF editors for basic conversion tasks
Cons
- Fewer editing and collaboration features than Smallpdf or Adobe Acrobat
- Limited control over complex layouts compared with desktop converters
- Privacy and file-retention details are less transparent than some established services
ViceVersa PDF Split and Merge is a desktop utility for separating, combining, and rearranging PDF documents. It is aimed at users who...
Pros
- Focused on splitting and merging rather than broader PDF editing
- Supports common page-reordering workflows
- Simpler than full PDF suites for basic document operations
Cons
- Fewer editing and annotation tools than Adobe Acrobat
- Less established ecosystem than PDFsam or Smallpdf
- Platform support and ongoing updates are less clear
5
Smallpdf offers a wide range of PDF tools including conversion, compression, and editing.
Pros
- Extensive features even in the free version
- Fast and reliable
Cons
- Limited number of free conversions per day
- Some features require a subscription
Free with paid options
Adobe Acrobat offers advanced OCR capabilities and a wide range of PDF editing features.
Pros
- High OCR accuracy
- Extensive PDF editing tools
Cons
- Paid subscription required
- Can be complex for basic users
Starting from $14.99/month
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