![]() ![]() At the same time, cloud based PDF processing is much easier to implement - even if it brings higher maintenance costs - since cloud servers might be packed with a lot of dedicated CPU and memory resources and might benefit from a decades-old software ecosystem of command-line based PDF tools. In such a constrained scenario, building a reliable PDF conversion tool running exclusively on people's browsers would be very challenging. Rich dynamic web pages such as Google Docs and Google Calendar were just out of beta, and browsers were not so capable of running them smoothly as they do today. Even though some static pages might have a very simple or even non-existent JavaScript component, JavaScript might be used for building very complex dynamic pages.Įstablished alternatives such as ILovePDF (which was created in 2010) or SmallPDF (2013) have been developed at a time when browsers, desktops, and mobile devices were much more limited than today. HTML files describe their content and structure, CSS defines their graphical layout, and JavaScript scripts describe how they should dynamically react to user interactions. Web pages are mostly the combination of HTML, CSS, and JavaScript files. This greatly reduces costs for us and enables us to fulfill our vision of offering unlimited service without any cost for the user.įinally, the fact that file upload avoidance is the cornerstone of how PDF Shelter operates ensures that your data is processed with maximum privacy, since nobody outside your browser (not even ourselves!) ever has any contact with your documents. Moreover, since we don't have to maintain any server infrastructure for processing files from your side, we don't need to put any limits on free operations as other tools do. Our tool eliminates steps (1) and (3) by allowing your browser to carry out all the work.īy doing so, our tool frequently allows tasks to be finished much faster, as you don't have to wait for files to be downloaded or uploaded. results are finally downloaded to your computer.they are processed (merged, converted, split, etc) on that remote machine.Usually, online PDF processing works in three steps: How different is PDF Shelter from other tools? ![]()
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