Tagged Questions
4
votes
4answers
178 views
Can information like a signature, secret key or password be encoded in a photo?
I want to protect copyright of my photographs. So, I've decided I'd like to put some signature like information in my photos.
According to my research,
- I have copyright as default and I don't ...
2
votes
2answers
579 views
How do I add watermark for photos already in Picasa web?
Is it possible to add visible/invisible watermark to photos already uploaded to Picasa Web/500px/Flickr?
Do they preserve EXIF(metadata) of the image?
I am looking for free tools/services. If ...
