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Prevent Right Click on Images

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    Prevent Right Click on Images

    Can anyone help me with preventing a visitor to my site from right clicking on an image in a table. To sell my photography I need to stop the image being "saved as" by right clicking.

    Any help greatly appreciated.

    Cheers
    Andy

    #2
    Re: Prevent Right Click on Images

    There are various pages that talk about this but all it takes is Mozilla FireFox(see attached shot) or a browser wit JavaScript disabled and it will be possible to get the images anyway.

    http://www.dynamicdrive.com/dynamicindex9/noright2.htm

    One way of getting around this, aside from the FireFox problem, might be to use JavaScript to swap the images on the page in the first place, so it makes it harder for someone to get to the images if they disable JavaScript deliberately.

    You could use Flash to generate a page to display photos, however there are still some apps out there that let people extract images and so on from within flash files too.

    Comment


      #3
      Re: Prevent Right Click on Images

      Hello Andy,

      The best way to prevent users from saving your professional photography work would to insert a watermark with every picture.

      This way even if the photo is saved, it cannot be used.

      Just a suggestion!

      Comment


        #4
        Re: Prevent Right Click on Images

        Originally posted by A5student View Post
        Hello Andy,

        The best way to prevent users from saving your professional photography work would to insert a watermark with every picture.

        This way even if the photo is saved, it cannot be used.

        Just a suggestion!
        Good suggestion - you could have the thumbnails without the watermark and the full size images with a watermark. You might be able to do this dynamically when uploading images to your database, depending on which format the image is in.

        Comment


          #5
          Re: Prevent Right Click on Images

          One other technique I've seen used is, rather than inserting the image to the table, is to set the background of the cell to the image using css.

          In otherwords, instead of
          Code:
          <td><img src="yourimage"></td>
          something like
          Code:
          <td style="background:url('yourimage') top center no-repeat;">&nbsp;</td>
          I've never tried using this technique in a Alpha Grid, and you'd have to take care of other stuff, like setting the width and height of the table cell, but hopefully you see the general idea.

          Comment


            #6
            Re: Prevent Right Click on Images

            Originally posted by marvinbase View Post
            One other technique I've seen used is, rather than inserting the image to the table, is to set the background of the cell to the image using css.

            In otherwords, instead of
            Code:
            <td><img src="yourimage"></td>
            something like
            Code:
            <td style="background:url('yourimage') top center no-repeat;">&nbsp;</td>
            I've never tried using this technique in a Alpha Grid, and you'd have to take care of other stuff, like setting the width and height of the table cell, but hopefully you see the general idea.
            Unfortunately there is a "Save Background as..." option at least in IE...

            Good idea though.

            Comment


              #7
              Re: Prevent Right Click on Images

              I believe the browser downloads all images to the client computer before displaying them, so the user can simply go to the temporary internet files cache and get a copy of any image.

              So, I think the watermark idea is the best one.

              Pat
              Pat Bremkamp
              MindKicks Consulting

              Comment


                #8
                Re: Prevent Right Click on Images

                Originally posted by Pat Bremkamp View Post
                I believe the browser downloads all images to the client computer before displaying them, so the user can simply go to the temporary internet files cache and get a copy of any image.

                So, I think the watermark idea is the best one.

                Pat
                I agree although maybe we should stop discussing this as this thread is starting to become a good source of info on how to steal images off sites ;)

                Comment


                  #9
                  Re: Prevent Right Click on Images

                  Simply overlaying a transparent image works well.
                  I've also played a few tricks with Flash to help prevent pulling images from the cache.
                  (hint .. Flash doesn't seem to care about the file extension. Try using something that by default launches something other than an image viewer when pulled from the cache)

                  I've even played around with hashing/splitting the image file and re-assembling the file to display it.

                  But the truth is ... And this is well known and documented all over the net ... Any image you publish on the net will be available to anyone. Once the image is on the screen any of the screen capture programs can grab it.

                  Your best bet is to watermark your images and keep the resolution low at a low dpi.

                  Bob
                  Bob Moore


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