Picnik : Quick and Easy Photo Editor

Picnik is a fast online photo editor with a number of easy to use yet powerful editing tools. No download or registration required, just upload your image and get creative with available effects, text fonts, shapes, and frames.

Picnic Features

One-click automatic photo fixing.
Crop, rotate, and resize images.
Upload images from local drive or get directly from Flickr, Facebook, Photobucket, Picasa Web Albums, Webshots.
Tons of special effects and image frames, object shapes from professional designers, and a number of really good text fonts (incl. type tool).
Advanced controls to fine-tune your results.
Instantly share edited photos with friends.
Works on Mac, Windows, and Linux platforms.

How to edit images online using Picnik