Free Edit your Photos online

It is not a secret anymore there are online photo editors. They are suitable for quick photo edition, when your desktop application is too heavy for one little image. Imagine loading latest Photoshop to make an avatar from your photo. I've been browsing along the web and here are 4 best free online photo-editors:
1. Picnic — one of the best and hottest online editors.
2. SnipShot — registration not needed. There is also Firefox extention available to make your online editing more confortable.
3. FotoFlexer — is the most powerful online digital photo editor in existence.
4. Pixenate — is the photo editor of choice for photo printing and photo sharing businesses.