Acrobat DC. It's how the world gets work done. View, sign, comment on, and share PDFs for free. This invaluable little ebook highlights the actual errors that college students make within the examination - and reveals how to avoid them. I do not whether there is a solution on VeryPDF? Then the viewer only can read PDF but they can not download it. The most important is that this software is totally free if you do not need to show PDF online more than 24 hours.
AFAIK a common approach is to limit who can gain access to a file. Whether that program blocks print or not depends on the program as some PDF programs simply ignore those security settings while others obey them and will only print if the correct print password is entered. I can only assume you want to display information, but not allow the user to keep or print the information. Your best method is convert from a pdf into a jpg, and protect the jpg so that it cant be downloaded or printed.
In my business, the need for the PDF to not be downloaded is due to not wanting customers to be able to easily share downloaded materials with other people. I make worksheets, and if they are easy to share, the customer is more likely to email them to a friend. If sharing them is made more complicated, they are less likely to want to go to the trouble. Not being able to download them without having advanced computer knowledge is good enough for me. Hope this sheds light on a need in the industry.
Things like being able to get a screen shot, etc. Hope this helps. I i — Janet Giel-Romo. Add a comment. Active Oldest Votes. Improve this answer. Legionar 7, 2 2 gold badges 37 37 silver badges 66 66 bronze badges. Browsers' developer tools make it trivial to get at anything sent to the user, and you're not going to stop screen capture programs.
Heck, the user could use their mobile phone to take pictures of the computer screen… — Donal Fellows. Right-click, view page source, get link of image under the transparent image. It's been in Firefox for as long as I can remember. I think I remember it existing in Mozilla Suite back before it got pared down into Firebird, which then became Firefox. I consider that under 'one of the ways of getting at it that requires digging into the source. I say you can lock it down 'hard' but not 'make it secure.
Ultimately you will need to: Create Images for each page Present those to the user on the web via your own interface html, flash etc Keep in mind flash wont work on Apple devices if that's required. Claudio Nastasi Junior 9 9 bronze badges. Mark Redman Mark Redman 23k 19 19 gold badges 89 89 silver badges bronze badges.
I believe Chrome has currently removed support for all plugins but Flash and applied a whitelist for which sites are allowed to run Flash I can download this file - it give download and also print options like normal pdf — obaid. Jonathan Thurft Jonathan Thurft 3, 7 7 gold badges 43 43 silver badges 73 73 bronze badges. If you encrypt the PDF you can control how printable and changeable it is. Enhance Thin Lines: When selected, clarifies thin lines in the display to make them more visible.
Use Page Cache : Places the next page in a buffer before the current page is viewed to reduce the time required to page through a document. Speeds up zooming, scrolling, and redrawing of page content, and speeds the rendering and manipulation of 2D PDF content. This option is selected by default. If your system is slow to display image-intensive pages, deselect this option.
Use Smooth Zooming Windows only : When deselected, turns off animation effects, which improves performance. Show Transparency Grid: Displays the grid behind transparent objects. A page number, followed by the page position in parentheses, appears in the Page Navigation toolbar and in the Go To Page and Print dialog boxes.
For example, i 1 of 1 if the printed number of the first page is i. If this option is not selected, pages are numbered with Arabic numbers starting at 1. Selecting this option helps prevent unexpected behavior when clicking Back or Go Back in your web browser. When set to Automatic, if a document contains overprints, then Overprint Preview mode is activated. The Overprint Preview mode lets you see onscreen the effects of ink aliasing in the printed output.
For example, a printer or service provider could create an ink alias if a document contains two similar spot colors and only one is required. Touch mode for tablet and mobile devices. Change Touch Mode preference. Under Categories , select General. Show or hide navigation pane, tools pane, toolbar items and more. Select to show or hide the Navigation menu items. For more information on navigation pane, see Navigating PDF pages.
Tools Pane: The right-hand pane of Acrobat displays frequently used tools. You can also use the keyboard function key F9. Button Labels: Displays the button labels of the selected tool. A check mark appears next to the command name when the grid is displayed. For more information, see Grids, guides, and measurements in PDFs. Cursor Coordinates: The Cursor Coordinates show the coordinate position of the pointer within the document pane.
For more information, see View Cursor Coordinates.
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