WordStream is a Free keyword Tool, Which offers thousands of keywords suggestion. It has some most popular categories like Keyword Suggestion Tool, Keyword Niche Finder, Keyword Grouper and Negative Keyword Tool.
Übersuggest is online utility type tool which helps you to utilize the Suggest Data from Google , Bing And others. It helps to create a long tail phrases. It also helps to analyze duplicate contents. With this free keyword tool you can instantly get thousands of keyword ideas from real user queries! Use the keywords to get inspiration for your next blog post, or to optimize your PPC campaigns.
3. Convert Word Documents to Clean HTML
It is also a free online tool to convert Word Document to HTML . This one is also very helpful, if you have created your content on MS Word or Notepad, then you cvan easily convert it to HTML.
CopyScape is Free ,Online Plagiarism checker tool. It means when you enter a URL of your Blog/Site, and Click results to see the matching content. it will easily detect that your Content is Original or Duplicate .
5. ROBOT.txt Generator
This one is also a very useful tool for you because this is something different and new to make your robot.txt file. Click Here to Create Robot.Txt tool. A robots.txt file is a short text file that resides in your home directory. Before search engines spider your site, they look into this file to see which files/file types and/or directories they are not allowed to see. This freeware utility will assist you in the creation of robots.txt files.
6. Robots.txt Checker
If you are worried about your Robot.txt file is correct or not, Then you don’t need to worry about it. Here is another tool for checking that. Click here for this tool
7. Title and Description Optimization Tool
8. Image SEO tool
9. XML Sitemap Inspector
Must Read: Blogging Secrets – Blogging Tips to be a Successful Blogger [Infographic]
Fiddler is also online tool which logs all HTTP(S) traffic between your computer and the Internet.