This API is deliberately left undocumented it may change with additions or removals at any time. Certainly there is no access to PDFium's DOM. ( This question gives an example of how to implement the API). A complete list of available JS message names can be determined from the relevant PDFium source here from which it can be seen that advanced styling of the viewer, such as changing colours, isn't possible. Accessing an expanded API through content script messages can potentially be done if you know the available JavaScript messages. They are, as indicated above, quite limited, allowing the user to go directly to a page, set zoom factor, show thumbnails etc. The APIs you're having trouble finding simply don't exist.īasic API functions are some of those specified by Adobe in their Parameters for Opening PDF Files and are accessed through the URL (eg. The functionality available in the PDF viewer is (intentionally) fairly limited. In this discussion Mike West (Google/Chromium dev) states, in answer to a question on DOM accessibility in Chrome's PDF viewer: Instead you need to access an implemented API. In other words the PDF viewer uses a separate DOM to the page which is not directly accessible. As indicated here it is impossible to make modifications to this sort of plugin controlled content unless the plugin also adds a content script that allows the page to pass messages to the plugin the plugin must additionally be programmed to respond to messages and appropriately update the content. Because the plugin displays and controls content outside the scope of the current page's DOM, it can only be modified by the plugin. Let us know in the comments section if there’s another feature that you’d like to share.There is no way to directly style the Chrome default PDF viewer (PDFium). Our favorite trick is to use the “Two page view” option that seemingly gets more content on the screen for people to absorb at once. In this guide, we’ve looked at how some of the best tips and tricks of Chrome’s PDF viewer can gracefully facilitate the default reading experience. Features like multiple profile creation, robust privacy and security settings, picture-in-picture, and personalization potential make Chrome a highly desirable pick. It took years of improvements to polish the default Chrome browsing experience, and now, the famed internet browser currently leads the line-up of popular web surfers that we have in the world. Google Chrome is one of the world’s most popular internet browsers, but this status wasn’t easily achieved. The default Chrome PDF reader is satisfactory, but if you’re looking for more advanced features concerning readability, you can also look into third-party options. Because that way, you can integrate the downloaded PDF with other, more advanced PDF readers. Now, there are multiple different options to take into account here, starting with a specific button right beside the “Rotate” feature that lets you switch between two different view types, namely “Fit to width, ” and “Fit to page.” We recommend trying out both modes to ascertain which does the job for you.ĭownloading the PDF via Chrome’s PDF readerĭownloading a PDF on your device is a high-class way of uplifting your reading experience. Change the PDF’s view typeįor better reading with the built-in Chrome PDF viewer, you can change the view type of the document to suit your reading style. Make sure to read until the end for the best results. The following is our round-up of the best tips and hacks that millions of people use worldwide to enjoy Chrome’s PDF viewer at its best. Best tips and tricks for better reading with Chrome’s PDF viewer With that out of the way, let’s get right into some of the most helpful tips concerning Chrome’s default PDF viewer that can seemingly facilitate your working experience with the tool. Conversely, if you ever require it, this is also the same approach to disabling the in-built PDF viewer of the Chrome browser you have to pick an option other than the one highlighted in the screenshots above.
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