Cool Hunt, Hunter.

Pros:

• It offers free file conversions (up to 50 MB).
• Users don't need to install anything.
• It converts a large variety of files from one format to another.
• Users can make 50 conversions within a 24-hour period.
• It's Simple enough for anyone to use.

Cons:

• I use it and conversion time is sometimes pretty slow.
• If the website is experiencing high traffic, conversion could be delayed for up to an hour.
• You have to wait for an email to download your converted file.