Quick Photo Editor by Donna

Use this free online tool to quickly and easily perform common photo editing tasks directly in your browser.

Features:

Edit images from your computer
Edit images from a URL you enter
Select an image in a browser tab, then choose "Edit Photo" from the right-click context menu
Adjust brightness, contrast, saturation, change orientation, image scaling, apply presets and filters, crop and scale, add watermarks and signature
Provides links to other tools from LinangData from the More tools menu, including: XML Formatter, CSV - JSON Converter, Grammar, spelling and style checker, Calculator, Photo Exif Data Viewer, Weather Forecast, World Clock
It's free!