If you have a blog dedicated to your handmade crafts or any blog really, you'll probably want to post some photos too and chances are that sometimes you'll want to edit your photos either to add some text, a frame or some kind of other special effect.
Fortunately, there are some very cool photo editing tools online you can use and best of all is that they are free!
Below you can see examples of photos edited with free photo editing tools found online. The links to these free tools are next to the pictures.
Have fun exploring and using them 
Edited with Picnik
Mosaic built using Big Huge Labs
Christmas card edited with LunaPic
Card edited with FotoFlexer

