PDF SIGINT

     (U) PURPOSE

     (U) The purpose of this web application is to add an invisible watermark to a PDF document
     that you disseminate for IC use so that in the case it leaks from any Member of the IC, you
     know where it leaked from while exposed to the public imbedded with a personal encrypted
     invisible watermarked message created by using HTML color steganography.

     (U) How to find the right HTML Color to hide content?

       • (U) Select the image file you want to convert.*
       • (U) Use trial and error to find the most suitable HTML Color Name.
       • (U) Use trial and error to find the most suitable watermark message font size.
       • (U) After uploading, An HTML color image and PDF file are created.
       • (U//FOUO) (1) Download the image, PDF and email them to
                 yourself using the your personal email (@outlook, @gmail, etc.).
                 (2) On a low-side computer within an IC member access your
                 personal email and download the image and PDF and then upload
                 to a file transfer web utility that’s offered by your IC or access your
                 .mil or .gov low-side email and attach the image and PDF and email
                 them to your high-side IC TS email.
       • (U//FOUO) Emails from sweetpic after upload include:
              • Your watermarked image, and PDF,
              • A link to delete all your images anytime from your email.
       • (U) Delete all images and clear session after uploading.

(U) Add an image here

  (U) Image:    or (U) URL:

  (U) Width   (x)   (U) Height     (U) Crop or use example image from (U) Bing™ Wallpaper.

  (U) Resize image by pixel: 100 - 2560

  (U) Contrast Ratio: (U) Gamma: (U) Threshold:

   • (U) The contrast ratio must be set to any value above .0, to add gamma or threshold.
   • (U) Contrast Ratio min=.0 , max=.255 [.0 no color, .255 for best color results]).
   • (U) The larger the ratio value, the stronger the gamma or threshold effect.

(U) HTML Colors: (U) HTML Color:

  (U) HTML Color Names

   • (U) Choose a color first if you are uploading from a computer or smart device.
   • (U) PDF Page size fits image by width or height.
   • (U)Orientation is set by width and height.

   (U) Classification:
   (U) This will watermark your image according to IC regulations.

     (U) Encrypt invisible watermark message:

  (U) Watermark message font size:
  (U) Encrypted watermark is placed on top left of image:

   (U) Rename (Optional):


   • (U) Min filename length 1 and max length 100.
   • (U) Filenames should be limited to 100 characters.
   • (U) Special characters allowed — a - z A - Z 0-9 '@ & # .

100

(U) Mail To (Optional)

(U) To (email):

200

(U) Subject:

(U) Message:


	(U) Images must be .jpg, .png, or .gif, not exceed 5MB, and max width by height is (w)2560px (x) (h)2560px. (U) Some colors may not overlay vividly based on pixel bit depth and photo quality. (U) Your file will be securely handled and deleted after you close your browser. (U) This project's IC cover name is SWEETYPIC.

* = Downloads are in Adobe Acrobat .PDF and .JPEG file format.

Visually Impaired persons will benefit from this special version of Adobe Acrobat Reader.