SciTools: free and handy online tools

This website hosts a variety of easy to use tools, which might come in handy at one time or another:

http://www.sciweavers.org/sci2ools

Some examples:

• Convert images from one type to another (e.g. from .png to .ps),  this can be especially useful for LaTeX users.
• Merge and split .pdf files.
• Convert LaTeX formula's to images to use in e.g. powerpoint
• ...