Users now can easily search for GIFs indexed on Tumblr's platform, with images automatically credited when placed in a post.

Giphy is a new GIF search engine founded by Alex Chung and Jace Cooke. Its stylish, stripped-down interface allows users to search for reaction GIFs using tags like "sad" and "bored." ...

That's why Giphy, a startup that launched out of betaworks last month, is rolling out new tools to build out its library of awesome, high-quality gifs. See, Giphy is a gif search engine.