Protect GIFs from unauthorized use on the Web.
To add hidden signatures to GIF- files select menu item Tools / Signature.
Button Sign chooses existing GIF- file and saves it together with hidden signature which was inputed into a field above this button.
Button Check checks presence of your signature in existing GIF- file.
- maximal text length of your signature is limited and depends on GIF coloring and size;
- using of hidden signature slightly increases size of created GIF- file.