A tool to create proper size images for different social networks. Ie. Facebook cover image and profile photo, Twitter header image and backgrounda, etc.
A great tool to create QR codes with text, hyperlinks, vCards and other info. Finished code can be downloaded as PNG, PDF, SVG or EPS.
Free tool for creating tweetwalls. It lets you display the tweets you’re interested in from everywhere on Twitter, use it to track hashtags, usernames, and keywords.
Check if your Facebook cover photo features less then 20% of text