eLovePDF

This free online tool allows combining multiple PDF or image files into a single PDF document.

File Converter - Convert 2000+ different audio, image, video, e-book, document, and archive conversions online. No software to install and free.

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Generate QR codes and barcodes online for free — including text, URL, Wi-Fi, email, and more. No account required. Fully customizable and privacy-friendly. Try QRER.NET now.

Instantly generate high-quality QR codes with your own logo, colors, and design. Download in PNG, SVG, or PDF. No registration required – 100% free online QR code generator.

Easily convert between various units like length, weight, temperature, volume, and more. A complete unit conversion tool for daily and scientific use.

eBooks.com is a leading retailer of ebooks, with a vast range of ebooks from academic, popular and professional publishers.

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Sci-Hub website. Get free access to academic journals. Download research papers for free from ScienceDirect, IEEE, Wiley, Springer, Nature and others

Access 160+ million publication pages and connect with 25+ million researchers. Join for free and gain visibility by uploading your research.

Academia.edu is the platform to share, find, and explore 50 Million research papers. Join us to accelerate your research needs & academic interests.

You may publish any number of documents in PDF, Microsoft Word and PowerPoint format. All files uploaded to the website are automatically adapted for displaying on iPad, iPhone, Android and other platforms.