Easily convert GIF image files to ICO.
Easily convert GIF image files to PNG.
Easily convert GIF image files to JPG.
Easily convert GIF image files to BMP.
Validate JSON content and make it looks good.
Get approximate IP details.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Get all possible details about an SSL certificate.
Ping a website, server or port..
Take an IP and try to look for the domain/host associated with it.