Sumnotes vs. MobiPDF (formerly PDF Extra)

Discover an innovative online platform specifically created for managing annotations from PDFs and Kindle, aimed at significantly reducing the time spent on tedious tasks. You can quickly download your annotations from both PDFs and Kindle in various formats in a matter of seconds. Our service adeptly summarizes annotations from PDF documents, Kindle books, and Instapaper articles, thus relieving you of the hassle of finding an effective annotation management tool. Sumnotes distinguishes itself as a user-friendly yet robust option for extracting annotations from diverse sources, including PDF books, lecture notes, and research papers, enabling you to focus on what is truly important. By simply clicking a button, you can import and sync annotations across multiple platforms effortlessly. Moreover, our batch import functionality allows for the convenient addition of your entire library in one go. We proudly accommodate PDF files annotated with any recognized PDF software, such as Adobe and Preview on Mac systems, and we are excited to introduce our new feature that supports Kindle highlights as well! This tool is set to revolutionize how you engage with your reading materials, making your annotation process smoother and more efficient than ever before. It's time to take control of your annotations like never before!

MobiPDF, previously known as PDF Extra, serves as a user-friendly platform for reading and editing PDFs, offering features such as creating, organizing, annotating, filling, signing, converting, and sharing any PDF file. This versatile tool stands out as a cost-effective substitute for Adobe Acrobat Pro, catering to a wide array of user needs. HERE’S WHAT YOU CAN EXPECT WITH MOBIPDF: Multiple Viewing Options: Utilize a focused "Read Mode" for an uninterrupted reading experience. Sophisticated Editing Capabilities: Engage with a PDF editing interface reminiscent of Word. Bidirectional Conversions: Effortlessly transform PDFs into and from formats like Word, Excel, PowerPoint, or images. OCR Integration: Enhance scanned documents by making them searchable. Annotation Features: Utilize tools to highlight, comment, strikethrough, stamp, and more to improve your documents. Simple PDF Management: Easily reorder, compress, split, and merge PDFs as you need. Signing and Security: Incorporate signatures, create and fill out forms, and safeguard your PDFs with passwords, encryption, and digital certificates. Offline Functionality: Continue working on your files without needing an internet connection. Instant Translation: Translate any PDF into over 50 languages with just a click. Overall, MobiPDF combines essential features and user-friendly design, making it a reliable choice for anyone needing comprehensive PDF tools.