Stellar Library Alternatives & Competitors

No file limit, no ad watermarks - a free and beautiful tool to combine your PDF files exactly the way you want it.

Key Merge PDF (by Smallpdf) features:

User-Friendly Interface Convenience Integration with Cloud Services Cross-Platform Compatibility

Web Based File Storage.

Key iWeb FTP features:

User-Friendly Interface Secure Transfers Reliable Performance Cross-Platform Compatibility

The all-in-one Screenshot API for developers: capture websites, generate PDFs, record videos, and automate it all with powerful, scalable infrastructure. No browser setup, no hassle. Just clean results, fast.

Key ScreenshotMAX features:

Annoyance Blocking Scheduled Screenshot Tasks Full-Page Screenshot Rendering HTML to PDF Conversion

Try for free freemium $19.0 / Monthly

PDFTools.

Key PDFTools by SheelApps features:

Comprehensive Features User-Friendly Interface Free to Use Lightweight

Apowersoft PDF Converter is a safe and stable PDF converter, which can quickly convert PDF to Word, PPT, Excel, JPG, PNG and many more formats.

Key Apowersoft PDF Converter features:

User-Friendly Interface Multiple Conversion Formats Batch Processing High-Quality Output

PDFChef Merge PDF is an online tool that allows you to merge multiple PDf files into one quickly and securely.

Key PDFChef Merge PDF features:

User-Friendly Interface Web-Based Platform Quick Processing Free Tier

Pdfcrowd is a Web/HTML to PDF online service. Convert HTML to PDF online in the browser or in your PHP, Python, Ruby, .NET, Java apps via the REST API.

Key PDFCrowd features:

Ease of Use API Integration Customization Options Cross-Platform Compatibility

This online tool allows you to join several PDF documents into a single file, free of charge.

Key PDF Joiner features:

Ease of Use No Installation Required Free Service Supports Multiple Formats

iSafePDF is a free open source PDF protection software.

Key iSafePDF features:

Open Source Free to Use Ease of Use Strong PDF Encryption

PDFsam Basic, a free, open source, multi-platform software designed to split, merge, extract pages, mix and rotate PDF files.

Key PDFsam features:

Cost User Interface Functionality Cross-Platform

Open Source free

QPDF is a command-line program that does structural, content-preserving transformations on PDF...

Key QPDF features:

Open Source PDF Transformation Encryption and Decryption Content Preservation

Open Source

Keep your ebook safe and prevent sales loss.

paid Free Trial $30.0 / Monthly

The smallest, fastest, most feature-rich PDF editor/viewer available.

Key PDF-XChange Editor features:

Feature-Rich Lightweight User Interface OCR Support

pdf unshare, pdf protection, protect, share, updf, prevent, Lock PDF, Encrypt PDF, PDF Access, Lock, PDF, Encrypt, Access.

Key PDF Unshare features:

Enhanced Security User Access Control No Installation Needed

freemium $49.95 / Annually (1 Computer)