Easily convert JPG image files to PNG.
Easily convert JPG image files to GIF.
Easily convert JPG image files to ICO.
Easily convert JPG image files to BMP.
Get the gravatar.com globally recognized avatar for any email.
Check if the URL is banned and marked as safe/unsafe by Google.
Make sure your passwords are good enough.
Extract email addresses from any kind of text content.
Get the web-host of a given website.
Get & verify the meta tags of any website.