15 Popular Keyword Research Tools

Keywords form an important factor in driving search engine traffic to websites. Hence, researching the keywords that are performing well is an important aspect of search engine optimisation. There are a few comprehensive keyword research tools available for this purpose.

Here are some of the top keyword research tools available on the web today.

Google Adwords Keyword Tool

This official keyword tool from Google can be used to find the impact of a specific keyword either locally or globally. The tool presents keyword suggestions that can also be used to get keyword ideas. The tool also presents group ideas for the keywords. It is possible to search for keywords on the basis of countries or languages. However, this tool often don’t provide keyword search numbers accurately, this is most popular tool among webmaster because it still provides lots if data and it is free to use.

Another keyword information tools from Google is Google trends which shows keyword’s search history with graphical representation, regional interest, related search terms, hot keyword researches and more.


This tool claims to offer insight into keywords on the basis of data collected from close to 100 million keywords, which are present across close to 50 million domains. Search rankings, volumes, and competition are some of the data provided for each keyword. There are three plans at SEM Rush costing between $79.95 per month to $149.95 per month.


This keyword spy and research tool claims to provide results on the basis of its profitability with the competitors. The tool also provides suggestions to eliminate the bad keywords that are low on profitability. It also saves on research and testing time by offering competitors keyword results. Users can find PPC and organic keyword rankings through search of domain.

Bing Keyword Research tool

This tool from search engine bing provides the impact of a specific keyword on the basis of the organic searches done on the Bing search engine. This tool provides suggestions of keywords based on the historical data. This tool will store up to six months of data. It is possible to sort the keyword ideas on the basis of location or language.


Keyword Spy offers the ability to spy on the competitors keywords and PPC ad combinations and offers almost similar features of SpyFu. It claims to have a database of more than 120 million keywords. This keyword research tool is available under three monthly plans ranging from $89.95 to $139.95.


This provides a free tool (with limited no. of keyword queries) to research about the keywords that are popular. The tool also provides suggestions about the popular long tail keywords that produce better results. It also has the ability to analyse the keywords used by your competitor. Paid tool offers many other features and unlimited queries and plans starts from $69/month or $449/year. They also offer other tools like keyword strategizer and link building tool.


WordStream provides a free keyword research tool with some basic data. The site claims to offer more than 50,000 suggestions. The free version is limited to 10 searches at a time. There are two paid plans costing between $329 to $599 per year that allow unlimited searches and access to few other tools.


This site provides keywords spy and Pay-Per-Click (PPC) data for major search engines like Google, Yahoo, and Bing. It also lists all the top competitors for PPC, while also providing information about their advertising budget and effectiveness. The basic plan at iSpionage costs $59 per month.

Keyword Discovery

This claims to be one the few free keyword research tools available to analyze the profitability and impact of keywords on search engine rankings. This tool provides the number of times a specific keyword has been searched globally. The paid plans allow deep keyword research and access to few other features like search engine market share, Search Demographics for keywords, keyword cross reference, local and global premium Keyword Database and much more.

YouTube Keyword Tool

This keyword tool is used to analyses the impact of keywords within YouTube. It is possible to determine a keyword success rate depending upon the location and language. There is also the ability to bring in various demographics like age of the visitor into play.

eBay Keyword Index

Popular auction website eBay offers keyword data based on searches made by their users. The tool provides “popular keywords”. The keywords can be sorted by categories as well. The tool is really good for online retailers who want to find information on top selling products.

Keyword Research Software

Below are few keyword research software which need to be downloaded. Mostly they depends on keyword sources like Google adwords and analyses them with additional features like HTML report and export to csv/excel format.


This keyword research software takes data from Google adwords keyword tool and analyzes them. The software is available for Windows and Mac based operating systems. Its paid version comes with additional tools likes rank tracking, SEO competition analysis, finding content and domain research.


MicroNicheFinder is a keyword tool mostly used by Internet marketers and affiliate marketers. Along with keyword research, it also offers other tools like keyword profitability, clickbank product search and finding new profitable niches. The data can be exported to excel file.


Offers several keyword research software, which allows researching popular and profitable keywords, based on current trends, buzz and popularity. Most of these software offers free trial and paid licenses as well. Currently, they have products like Keyword Strategy Studio, SEOLab Professional, Competition Studio (Mac), Good Keywords, Keyword Pad and Keyword Explorer.


The product is mostly used by affiliate marketers and Internet marketers. Some features includes “Adwords time machine” which allow users to view adword ads history of 6 months, “Google site targerer” which allow users to find publisher using adsense to monetize their website and many other features. The software was earlier using Google adwords keyword data to analyze keywords but now claim to have its own data source. Another software from same company is NicheFinder, which pulls keywords data from Google adwords keyword tool, and analyzes it.

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