Resizing photos for my web page.

[Fubeyside]

Hi all, i recently shot some portrait pictures for a friend and his family.

i resized them 400x600 pixals and 72dpi, i have since put them on my web site.

My first question is can these photos be taken and printed to a A4?

My second question is what size should i reduce them to, so they cant be copied and printed.

Thanks in advance.

Dave.

[Forseti]

Your first post Dave so first off - welcome

Now then, you say 72dpi but dpi (dots per inch) refers to printing but as it's Christmas we'll forgive you. What of course you meant to say was ppi (pixels per inch) and in this case, if you divide both your given dimensions i.e. 400 and 600 by 72 then that's good for a print of approx 5.5 inches x 8.33 inches. That said, 240ppi is a more acceptable figure for a respectable print. If you check the original pixel dimensions of your image then it's pretty easy to work out what ppi you need to produce an A4 sized print of 210mm x 297mm (8.3 x 11.7 inches).

As to protecting your images then this is always going to be difficult in this day and age as software does exist (for the determined of mind) to up size your small resolution images. The only really safe way (relatively) is to stick a copyright mark right across the face of the image and reduce the opacity of it a bit so that whilst the image is still viewable it would make it difficult for someone to clone out all the copyright information. The only 100% method of course is not to post images on the web at all but of course that doesn't sound like a reasonable option to you.

Merry Christmas

[chris-p]

Hi Dave,

Forseti has pretty much answered this so there isn't much to add. Personally, I watermark anything larger than 400x600(ish). If you use software like Photoshop you can do this really easily (I've saved mine as an action so I can add watermarks in a huge batch).

[Fubeyside]

Thanks for answers guys, i think i will just put a watermark on the pictures in the future.

The reason i put them on the web site is for the people to veiw them and then buy the one's they like, hopefully they will be honest and not just copy them.

Thanks again and have a good xmas.

Dave.