Wordstream’s free keyword tools are 4 instruments initially made for Adwords, but also helpful for SEO. They are handy and have cool features no other tool has. For instance, Keyword Niche Finder, that mashes a bunch of keywords together, shows a handful of words that you won’t find in any other keyword research tool.

WordStream’s free keyword tools are an integrated, actionable suite designed to help search marketers with keyword suggestion, keyword grouping, keyword analysis, long-tail keyword research and negative keyword discovery. These tools are fast, powerful and use a trillion-keyword database, going beyond the capabilities that a typical free keyword tool can offer.

Tools:

1. The Free Keyword ToolGet thousands of keyword suggestions from a constantly updated database of more than a trillion unique search queries, giving you more keywords, faster, than even paid keyword tools.
2. The Free Keyword Niche FinderEnter a keyword to discover your most profitable pockets of keyword opportunities. This free tool delivers value-added, structured keyword suggestions ready to use in search campaigns.
3. The Free Keyword GrouperNot sure where to start with keyword grouping? Start here! Drop in a list of keywords or analytic data and get back an organized keyword structure ready for relevant PPC and SEO campaigns.
4. The Negative Keyword ToolEliminate waste in your pay-per-click campaigns by identifying irrelevant keywords that could burn through your budget—before they cost you money.